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Digital assets and currencies

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Fiat currencies

Price level

The general price level is a hypothetical measure of overall prices for some set of goods and services (the consumer basket), in an economy or monetary union during a given interval (generally one day), normalized relative to some base set. Typically, the general price level is approximated with a daily price index, normally the Daily CPI. The general price level can change more than on

Trading basics

Price revolution

The Price Revolution, sometimes known as the Spanish Price Revolution, was a series of economic events that occurred in the second half of the 16th century, and most specifically linked to the high rate of inflation that occurred during this period across Western Europe. Prices rose on average roughly sixfold over 150 years. This level of inflation amounts to 1.2% per year compounded, a

Fiat currencies

Price stability

Price stability occurs when average consumer prices for goods and services are constant over time, or when they are rising at a low and predictable rate. It is a goal of monetary and fiscal policy aiming to support sustainable rates of economic activity. Policy is set to maintain a very low rate of inflation or deflation. For example, the European Central Bank (ECB) describes price s

Finance

Price-to-cash flow ratio

The price/cash flow ratio (also called price-to-cash flow ratio or P/CF), is a financial ratio used to compare a company's market value to its cash flow. It is calculated by dividing the company's market cap by the company's operating cash flow in the most recent fiscal year (or the most recent four fiscal quarters); or, equivalently, divide the per-share stock price by the per-share ope

Finance

Price–sales ratio

The price-to-sales ratio (P/S ratio or PSR) is a financial ratio used to assess a company's market value relative to its revenue. It is calculated by dividing the company's market capitalization by its total revenue over a specified period, typically the trailing twelve months (TTM), or equivalently, by dividing the unit price of each share by the per-share revenue. Investors use this me

Trading basics

Prices of chemical elements

This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison.

Finance

PRIIPS

Packaged retail investment and insurance products (PRIIPs) is European Union regulatory term to encompass a range of investment products that banks or other financial institutions offer to consumers. It was first used in regulation (EU) No 1286/2014, known as the PRIIPs regulation, the aim of which was to improve the transparency and comparability of investment products across the EU th

Finance

Primary market

The primary market is the part of the capital market that deals with the issuance and sale of securities to purchasers directly by the issuer, with the issuer being paid the proceeds. A primary market means the market for new issues of securities, as distinguished from the secondary market, where previously issued securities are bought and sold. A market is primary if the proceeds of sal

Banking

Prime rate

The prime rate or prime lending rate is an interest rate used by banks, typically representing the rate at which they lend to their most creditworthy customers. Some variable interest rates may be expressed as a percentage above or below prime rate.

Banking

Principles for Responsible Investment

Principles for Responsible Investment (UNPRI or PRI) is a United Nations-supported international network of financial institutions working together to implement its six aspirational principles, often referenced as "the Principles". Its goal is to understand the implications of sustainability for investors and support signatories to facilitate incorporating these issues into their investm

Finance

Private electronic market

A private electronic market (PEM) uses the Internet to connect a limited number or pre-qualified buyers or sellers in one market. PEMs are a hybrid between perfectly open markets (e.g. exchanges where there is no pre-existing relationship between buyer and seller - similar to eBay) and closed contract negotiations (such as a sealed bid tender, where there is no visibility between competi

Trading basics

Private equity

Private equity (PE) is stock in a private company that does not offer stock to the general public. Instead, it is offered to specialized investment funds and limited partnerships that take an active role in managing and structuring the companies. Colloquially, "private equity" can refer to these investment firms rather than the companies in which they invest.

Banking

Private equity in the 1980s

Private equity in the 1980s relates to one of the major periods in the history of private equity and venture capital. Within the broader private equity industry, two distinct sub-industries, leveraged buyouts and venture capital experienced growth along parallel although interrelated tracks.

Banking

Private equity in the 1990s

Private equity in the 1990s relates to one of the major periods in the history of private equity and venture capital. Within the broader private equity industry, two distinct sub-industries, leveraged buyouts and venture capital, experienced growth along parallel although interrelated tracks.

Banking

Private equity in the 2000s

Private equity in the 2000s represents one of the major growth periods in the history of private equity and venture capital. Within the broader private equity industry, two distinct sub-industries, leveraged buyouts and venture capital, expanded along parallel and interrelated tracks.

Trading basics

Private equity real estate

Private equity real estate is a term used in investment finance to refer to a specific subset of the real estate investment asset class. Private equity real estate refers to one of the four quadrants of the real estate capital markets, which include private equity, private debt, public equity and public debt.

Securities & exchanges

Private finance initiative

The private finance initiative (PFI) was a United Kingdom government procurement policy aimed at creating "public–private partnerships" (PPPs) where private firms are contracted to complete and manage public projects. Initially launched in 1992 by Prime Minister John Major, and expanded considerably by the Blair government, PFI is part of the wider programme of privatisation and macroeco

Trading basics

Private pension

A private pension is a plan into which individuals privately contribute from their earnings, which then will pay them a pension after retirement. It is an alternative to the state pension. Usually, individuals invest funds into saving schemes or mutual funds, run by insurance companies. Often private pensions are also run by the employer and are called occupational pensions. The contribu

Securities & exchanges

Private placement

Private placement or non-public offering is a funding round of securities which are sold not through a public offering, but rather through a private offering, mostly to a small number of chosen investors. Generally, these investors include friends and family, accredited investors, and institutional investors. Placement agents help find investors.

Trading basics

Private placement agent

A private placement agent or placement agent is a firm assisting fund managers in the alternative asset class (e.g., private equity, infrastructure, real estate, hedge funds, and venture capital) and entrepreneurs/private companies (e.g., start-ups and growth capital companies) seeking to raise private financing through a so-called private placement.

Trading basics

Private sector involvement

In the context of sovereign debt crisis, private sector involvement (PSI) is, broadly speaking, the forced contribution of private sector creditors to a financial crisis resolution process, and, specifically, to the private sector incurring outright reductions ("haircuts") on the value of its debt holdings.

Trading basics

Private student loan (United States)

A private student loan is a financing option for higher education in the United States that can supplement, but should not replace, federal loans, such as Stafford loans, Perkins loans and PLUS loans. Private loans, which are heavily advertised, do not have the forbearance and deferral options available with federal loans (which are never advertised). In contrast with federal subsidized

Trading basics

Private-equity secondary market

In finance, the Private Equity Secondary Market (also often called Private Equity Secondaries or Secondaries) refers to the buying and selling of pre-existing investor commitments to private equity and other alternative investment funds or the underlying private equity assets (e.g., credit secondaries). Unlike public markets, private-equity interests lack an established trading exchange,

Finance

Privy Purse

The Privy Purse is the British sovereign's private income, mostly from the Duchy of Lancaster. This amounted to £24.2 million in net income for 2024/25.

Banking

Prize-linked savings account

A prize-linked savings account (PLSA) or lottery-linked deposit account is a savings account in which some of the interest payment on bank deposits or marketing dollars are distributed as prizes based on chance. They are attractive to consumers as they function both as a sweepstakes or game of chance (as there is a small chance of a large prize) and as savings vehicle (the deposit is nev

Finance

Product control

Product Control is a control and support function, responsible for ensuring accurate financial reporting for trading, lending and treasury desks.

Trading basics

Product finder

Product finders are information systems that help consumers to identify products within a large palette of similar alternative products. Product finders differ in complexity, the more complex among them being a special case of decision support systems. Conventional decision support systems, however, aim at specialized user groups, e.g. marketing managers, whereas product finders focus on

Securities & exchanges

Production sharing agreement

Production sharing agreements (PSAs) or production sharing contracts (PSCs) are a common type of contract signed between a government and a resource extraction company (or group of companies) concerning how much of the resource (usually oil) extracted from the country each will receive.

Banking

Profit and loss sharing

Profit and Loss Sharing (also called PLS or participatory banking) refers to Sharia-compliant forms of equity financing such as mudarabah and musharakah. These mechanisms comply with the religious prohibition on interest on loans that most Muslims subscribe to. Mudarabah (مضاربة) refers to "trustee finance" or passive partnership contract, while Musharakah (مشاركة or مشركة) refers to equ

Finance

Profit at risk

Profit-at-Risk (PaR) is a risk management quantity most often used for electricity portfolios that contain some mixture of generation assets, trading contracts and end-user consumption. It is used to provide a measure of the downside risk to profitability of a portfolio of physical and financial assets, analysed by time periods in which the energy is delivered. For example, the expected

Finance

Profit maximization

In economics, profit maximization is the short run or long run process by which a firm may determine the price, input and output levels that will lead to the highest possible total profit (or just profit in short). In neoclassical economics, which is currently the mainstream approach to microeconomics, the firm is assumed to be a "rational agent" (whether operating in a perfectly competi

Trading basics

Profit motive

In economics, the profit motive is the motivation of firms that operate so as to maximize their profits. Mainstream microeconomic theory posits that the ultimate goal of a business is "to make money" - not in the sense of increasing the firm's stock of means of payment (which is usually kept to a necessary minimum because means of payment incur costs, i.e. interest or foregone yields), b

Trading basics

Progressive capitalism

Progressive capitalism is an economic framework within fiscal progressivism that pairs government intervention with competitive markets to foster economic growth while mitigating inequality through targeted public policies. It combines market-driven innovation with targeted government investment in education, infrastructure, and healthcare, while establishing public alternatives in essen

Trading basics

Project No One Leaves

Project No One Leaves (PNOL) is a Boston non-profit tenants' rights organization which provides legal education to people living in foreclosed homes to enable them to understand and protect their legal rights. The group was established in 2008 by members of the Harvard Legal Aid Bureau who specialized in housing law in response to a perceived spike in foreclosures and mass evictions in

Securities & exchanges

Promissory note

A promissory note, sometimes referred to as a note payable, is a financial instrument in which one party (the maker or issuer) promises in writing to pay a determinate sum of money to another (the payee), subject to any terms and conditions specified within the document.

Assets

Proof of personhood

Proof of personhood (PoP) is a means of resisting malicious attacks on peer-to-peer networks, particularly attacks that use multiple fake identities, otherwise known as a Sybil attack. Decentralized online platforms are particularly vulnerable to such attacks by their very nature, as notionally democratic and responsive to large voting blocks. In PoP, each unique human participant obtain

Assets

Proof of space

Proof of space (PoS) is a type of consensus algorithm achieved by demonstrating one's legitimate interest in a service (such as sending an email) by allocating a non-trivial amount of memory or disk space to solve a challenge presented by the service provider. The concept was formulated in 2013 by Dziembowski et al. and (with a different formulation) by Ateniese et al..

Assets

Proof of stake

Proof-of-stake (PoS) protocols are a class of consensus mechanisms for blockchains that work by selecting validators in proportion to their quantity of holdings in the associated cryptocurrency. This is done to avoid the computational cost of proof-of-work (PoW) schemes. The first functioning use of PoS for cryptocurrency was Peercoin in 2012, although its scheme, on the surface, still r

Assets

Proof of work

Proof of work (also written as proof-of-work, and abbreviated PoW) is a form of cryptographic proof in which one party (the prover) proves to others (the verifiers) that a certain amount of a specific computational effort has been expended. Verifiers can subsequently confirm this expenditure with minimal effort on their part. The concept was first proposed by Moni Naor and Cynthia Dwork

Trading basics

Property investment calculator

Property investment calculator is a term used to define an application that provides fundamental financial analysis underpinning the purchase, ownership, management, rental and/or sale of real estate for profit. Property investment calculators are typically driven by mathematical finance models and converted into source code. Key concepts that drive property investment calculators inclu

Finance

Property technology

Property technology (also known as by the portmanteaus proptech, PropTech, prop-tech and also known as real estate technology) is used to refer to the application of information technology and platform economics to the real estate industry. Property technology overlaps with financial technology, including uses like online payment and booking systems.

Securities & exchanges

Prospectus (finance)

A prospectus, in finance, is a disclosure document that describes a financial security for potential buyers. It commonly provides investors with material information about mutual funds, stocks, bonds and other investments, such as a description of the company's business, financial statements, biographies of officers and directors, detailed information about their compensation, any litiga

Finance

Prosus

Prosus N.V. is a Dutch investment group that invests and operates across sectors and markets with long-term growth potential. It is among the largest technology investors in the world.

Trading basics

Protection racket

A protection racket is a racketeering scheme, usually perpetrated by a criminal organization, that coerces payments on a regular basis from an individual, group, or business in exchange for agreeing to not harm them (or for purportedly "protecting" them). The threat of harm may be indirectly communicated or implied, and it may include violence, robbery, ransacking, arson, vandalism, etc

Trading basics

Provisions of the Dodd–Frank Wall Street Reform and Consumer Protection Act

The Dodd–Frank Wall Street Reform and Consumer Protection Act was created as a response to the financial crisis in 2007. Passed in 2010, the act contains a great number of provisions, taking over 848 pages. It targets the sectors of the financial system that were believed to be responsible for the financial crisis, including banks, mortgage lenders, and credit rating agencies. Ostensibly

Finance

Prudential capital controls

Prudential capital controls are ways of financial regulation that aim to mitigate risk to the financial system as a whole, usually taking the form of residency-based measures such as transaction taxes, other limits, or outright prohibitions that a nation's government can use to regulate flows from capital markets into and out of the country's capital account. Prudential capital controls

Banking

Prudential Regulation Authority

The Prudential Regulation Authority (PRA) is a United Kingdom financial services regulatory body, formed as one of the successors to the Financial Services Authority (FSA). The authority is responsible for the prudential regulation and supervision of banks, building societies, credit unions, insurers and major investment firms. It sets standards and supervises financial institutions at t

Trading basics

Public

In public relations and communication science, publics are groups of individual people, and the public (a.k.a. the general public) is the totality of such groupings. This is a different concept to the sociological concept of the Öffentlichkeit or public sphere.

Banking

Public bank

A public bank is a bank, a financial institution, in which a state, municipality, or public actors are the owners. It is an enterprise under government control. Prominent among current public banking models are the Bank of North Dakota, the Sparkassen-Finanzgruppe in Germany, and many nations' postal bank systems.

Trading basics

Public capital

Public capital is the aggregate body of government-owned assets that are used as a means for productivity. Such assets span a wide range including: large components such as highways, airports, roads, transit systems, and railways; local, municipal components such as public education, public hospitals, police and fire protection, prisons, and courts; and critical components including wate

Finance

Public finance

Public finance refers to the monetary resources available to governments and also to the study of finance within government and role of the government in the economy. Within academic settings, public finance is a widely studied subject in many branches of political science, political economy and public economics. Research assesses the government revenue and government expenditure of the

Finance

Public finances in Costa Rica

The pattern of public expenditure and revenue in Costa Rica is typical of a middle income country. According to the CIA World Factbook, in 2023, central government revenue was US $26.333 billion, while expenditure was $25.953 billion.

Securities & exchanges

Public float

In the context of stock markets, the public float or free float represents the portion of shares of a corporation that are in the hands of public investors as opposed to shares held by promoters, company officers, controlling interest investors, or governments. This number is sometimes seen as a better way of calculating market capitalization, because it provides a more accurate reflecti

Finance

Public offering

A public offering is the offering of securities of a company or a similar corporation to the public. Generally, the securities are to be publicly listed. In most jurisdictions, a public offering requires the issuing company to publish a prospectus detailing the terms and rights attached to the offered security, as well as information on the company itself and its finances. Many other reg

Finance

Public Procurement and Disposal of Public Assets Authority

The Public Procurement and Disposal of Public Assets Authority (PPDA) is a parastatal organisation in Uganda that is responsible for regulation and supervision of procurement and disposal of government-owned property and other assets.

Trading basics

Public Works Loan Board

The Public Works Loan Board (PWLB) (Welsh: Bwrdd Benthyciadau Gwaith Cyhoeddus) was a statutory body of the UK Government that provided loans to public bodies from the National Loans Fund. In 2020, the PWLB was abolished as a statutory organisation, and its functions were allocated to HM Treasury, where they are discharged through the UK Debt Management Office. The members of the PWLB we

Trading basics

Public Works Loans Act 1875

The Public Works Loans Act 1875 (38 & 39 Vict. c. 89) is an act of the Parliament of the United Kingdom that consolidated enactments relating to loans for public works in the United Kingdom. The act created the Public Works Loan Commissioners, who replaced the earlier Exchequer Bill Commissioners, and it remains, together with the National Loans Act 1968, one of the principal statutory s

Banking

Public-key cryptography

Public-key cryptography, or asymmetric cryptography, is the field of cryptographic systems that use pairs of related keys. Each key pair consists of a public key and a corresponding private key. Key pairs are generated with algorithms based on mathematical problems termed one-way functions. Security of public-key cryptography depends on keeping the private key secret; the public key can

Banking

Publix

Publix Super Markets, Inc., doing business as Publix, is an employee-owned American supermarket chain headquartered in Lakeland, Florida. Founded in 1930 by George W. Jenkins, Publix is a private corporation that is wholly owned by present and past employees and members of the Jenkins family. Publix operates throughout the Southeastern United States, with locations in Florida (897), Geor

Finance

Pump and dump

Pump and dump (P&D) is a form of securities fraud that involves artificially inflating the price of an owned stock through false and misleading positive statements (pump), in order to sell the cheaply purchased stock at a higher price (dump).

Trading basics

Pump.fun

pump.fun (commonly referred to as Pump) is a cryptocurrency launchpad for the Solana blockchain that enables users to create tokens and trade them immediately on the platform, as well as to launch them onto decentralized exchanges, a process known as "graduation". The platform was launched on January 19, 2024, by Noah Tweedale, Alon Cohen and Dylan Kerler.

Trading basics

Purchasing cooperative

A purchasing cooperative is a type of cooperative arrangement, often among businesses or governments, to agree to aggregate demand to get lower prices from selected suppliers. Retailers' cooperatives are a form of purchasing cooperative. Cooperatives are often used by businesses or government agencies to reduce costs of procurement. One such organization is Sourcewell, a Minnesota-based

Trading basics

Puzzle friendliness

In cryptography, puzzle friendliness is a property of some cryptographic hash functions. SHA-256 is a cryptographic hash function that is thought to have this property. Informally, a hash function is puzzle friendly if no solution exists which is better than just making random guesses, and the only way to find a solution is the brute force method. Although the property is very general, i

Banking

Qard al-Hasan

Qardh al-hasan (Arabic: قرض الحسن, transl. benevolent lending) is an Islamic concept of interest-free lending. It is based on the principle of helping others without expecting a financial gain. However some Ulama deem it a form of interest-free loan (fungible, marketable wealth) that is extended by a lender to a borrower on the basis of benevolence (ihsan). Al-qardh, from a shari’a point

Trading basics

Qatari riyal

The Qatari riyal (Arabic: ريال قطري; sign: QR in Latin, ر.ق in Arabic; ISO code: QAR) is the official currency of the State of Qatar. Each riyal, the base unit, is divided into 100 dirhams (Arabic: درهم).

Banking

Qirad

The qirad (also known as Muqaradah by Hanafi and Hanbali scholars) was one of the basic financial instruments of the medieval Islamic world. It was an arrangement between one or more investors and an agent where the investors entrusted capital to an agent who then traded with it in hopes of making profit. Both parties then received a previously settled portion of the profit. The agent

Trading basics

Qiwi

QIWI plc was a Russian company that provides payment and financial services in Russia and CIS countries. The group includes QIWI payment system, QIWI Bank, CONTACT money transfer system, Factoring PLUS, Flocktory, and RealWeb. The company has representative offices in three countries.

Payments & settlement

QR code payment

A QR code payment is a mobile payment method where payment is performed by scanning a QR code from a mobile app. This is an alternative to doing electronic funds transfer at point of sale using a payment terminal. This avoids a lot of the infrastructure traditionally associated with electronic payments such as payment cards, payment networks, payment terminal and merchant accounts.

Fiat currencies

QRIS

Quick Response Code Indonesia Standard (abbreviated as QRIS, the abbreviation being a wordplay on keris, a traditional sword; Indonesian: Kode QR Standar Indonesia) is a QR code payment system developed by Bank Indonesia (BI) and the Indonesian Payment System Association (ASPI) aimed to integrate all non-cash payment methods in Indonesia. Launched in 2019, the system enables peer-to-peer

Trading basics

Quadriga (cryptocurrency exchange)

Quadriga Fintech Solutions was the owner and operator of QuadrigaCX. QuadrigaCX was believed to be Canada's largest cryptocurrency exchange at the time of its collapse in 2019, with the exchange ceasing operations and the company filing for bankruptcy with C$215.7 million in liabilities and about C$28 million in assets.

Payments & settlement

Quahl

Quahl ( k-oo-ah-l), formerly known as Initiative Q, was an attempt to create a new payment network and digital currency. It was created by Israeli entrepreneur Saar Wilf, who previously founded Fraud Sciences, a payment security company acquired by PayPal. Quahl is backed by Cato Institute economist Lawrence H. White. The initiative has indicated it will not take measures to evade state

Trading basics

Qualified residence interest

Qualified residence interest is the most significant exception to the limitations imposed by § 163(h) of the Internal Revenue Code.

Finance

Qualifying investor alternative investment fund

Qualifying Investor Alternative Investment Fund or QIAIF is a Central Bank of Ireland regulatory classification established in 2013 for Ireland's five tax-free legal structures for holding assets. The Irish Collective Asset-management Vehicle or ICAV is the most popular of the five Irish QIAIF structures, it is the main tax-free structure for foreign investors holding Irish assets.

Finance

Quality investing

Quality investing is an investment strategy based on a set of clearly defined fundamental criteria that seeks to identify companies with outstanding quality characteristics. The quality assessment is made based on soft (e.g. management credibility) and hard criteria (e.g. balance sheet stability). Quality investing supports best overall rather than best-in-class approach.

Finance

Quantitative easing

Quantitative easing (QE) is a monetary policy action where a central bank purchases predetermined amounts of government bonds, company shares, or other financial assets (liquidity) in order to artificially stimulate economic activity. Quantitative easing is a novel form of monetary policy that began in Japan and came into wide application in the US following the 2008 financial crisis. It

Trading basics

Quantitative fund

A quantitative fund is an investment fund that relies on systematic, data-driven methods, such as mathematical models, statistical techniques, AI, and machine learning, to make investment decisions, rather than fundamental human analysis. These funds are often referred to as systematic funds, and many employ factor investing strategies such as value and momentum, which are widely studied

Finance

Quantitative tightening

Quantitative tightening (QT) is a contractionary monetary policy tool applied by central banks to decrease the amount of liquidity or money supply in the economy. A central bank implements quantitative tightening by reducing the financial assets it holds on its balance sheet by selling them into the financial markets, which decreases asset prices and raises interest rates. QT is the re

Fiat currencies

Quantity theory of money

The quantity theory of money (QTM) is a hypothesis within monetary economics which states that the general price level of goods and services is directly proportional to the amount of money in circulation (i.e., the money supply), and that the causality runs from money to prices. This implies that the theory potentially explains inflation. It originated in the 16th century and has been pr

Trading basics

Quebec carbon market

The Canadian province of Quebec is the first Canadian province with an emission cap-and-trade market (ETS), introduced in 2013. Polluters need to buy emission allowances, which increase in price each year. The resulting revenue is reinvested in Quebec's 2030 Plan for a Green Economy through the Electrification and Climate Change Fund. Since 2014, the Quebec carbon market is linked with t

Trading basics

Queen of Fucking Everything

Queen of Fucking Everything is a 2025 Finnish comedy drama TV series created, written, and directed by Tiina Lymi and starring Laura Malmivaara, Katja Küttner, and Minna Haapkylä. When broadcast by Finnish public broacaster Yle, the number of viewers broke previous records, and the series has been sold and broadcast around the world. It won five Golden Venla awards and Best Director in t

Finance

Quick ratio

In finance, the quick ratio, also known as the acid-test ratio, is a liquidity ratio that measures the ability of a company to use near-cash assets (or 'quick' assets) to extinguish or retire current liabilities immediately. It is the ratio between quick assets and current liabilities.

Finance

R/wallstreetbets

r/wallstreetbets, also known as WallStreetBets or WSB, is a subreddit where participants discuss stock and option trading. It has become notable for its colorful jargon, aggressive trading strategies, stories of extreme profits and losses made in the stock market, and internet memes. It came to wider public attention in early 2021, playing a major role in the GameStop short squeeze, whic

Banking

Raast

Raast (Urdu: راست; lit. 'direct') is Pakistan's first instant payment system operated by the State Bank of Pakistan (SBP). It operates using the state-of-the-art Pakistan Faster Payment System (PFPS), facilitating real-time settlement of small-value retail payments, including inter-bank peer-to-peer (P2P) and person-to-merchant (P2M) transactions.

Payments & settlement

Rail Travel Card

The Rail Travel Card was a credit card administered by the Rail Travel Credit Agency headquartered at Chicago Union Station (room 436) to facilitate leisure and business travel by rail, possibly modeled on the air travel card. It was accepted by most major railroads, the prominent exceptions being New Haven and Southern Pacific.

Trading basics

Rain (cryptocurrency exchange)

Rain is a Middle Eastern cryptocurrency exchange company that operates through its holding company, Rain Financial Inc., which oversees Rain Management W.L.L. in Bahrain,

Finance

Rainbow option

In finance, a Rainbow option is a derivative whose payoff depends on multiple underlying risky assets. Each underlying asset is referred to as a color of the rainbow. It contrasts with a simple option that is exposed to one source of uncertainty, such as the price of underlying asset.

Finance

Rajshahi Krishi Unnayan Bank

Rajshahi Krishi Unnayan Bank is a state-owned specialized financial institution for extending credit to the farmers of the 16 districts of Rajshahi and Rangpur divisions in Bangladesh. The headquarters of the bank is in Rajshahi.

Trading basics

Rape culture

Rape culture is a setting, as described by some sociological theories, in which rape is pervasive and normalized due to that setting's attitudes about gender and sexuality. Behaviors commonly associated with rape culture include victim blaming, slut-shaming, sexual objectification, trivialization of rape, denial of widespread rape, refusal to acknowledge the harm caused by sexual violenc

Trading basics

Rapid Pass

The Rapid Pass is a smart card automated fare collection system based on near-field communication (NFC) technology used on participating public transit systems in Dhaka, the capital of Bangladesh. Rapid Pass card readers were implemented on a trial basis in 2017. Full implementation began in January 2018 and it was rolled out across rapid transit stations, railway stations, bus stops and

Finance

Rate of return

In finance, return is a profit on an investment. It comprises any change in value of the investment, and/or cash flows (or securities, or other investments) which the investor receives from that investment over a specified time period, such as interest payments, coupons, cash dividends and stock dividends. It may be measured either in absolute terms (e.g., dollars) or as a percentage of

Securities & exchanges

Ratio spread

A ratio spread or frontspread is a multi-leg options position. Like a vertical, the ratio spread involves buying and selling options on the same underlying security with different strike prices and the same expiration date. In this spread, the number of option contracts sold is not equal to a number of contracts bought. An unequal number of options contracts gives this spread certain u

Trading basics

Rational pricing

In financial economics, rational pricing is the assumption that asset pricing models must reflect the arbitrage-free price of the asset

Trading basics

Rav-Kav

Rav-Kav (Hebrew: רב-קו, lit. "multi-line") is a reusable contactless stored value smart card for making electronic payments as a joint fare collection system for the different public transportation operators across Israel.

Securities & exchanges

Ray Dalio

Raymond Thomas Dalio (born August 8, 1949) is an American billionaire investor and founder of Bridgewater Associates, one of the world's largest hedge funds.

Payments & settlement

Razer Inc.

Razer Inc. is a Singaporean-American multinational corporation and technology company that manufactures, develops, and markets gaming-focused computer hardware and other consumer electronics as well as financial services.

Finance

Re Bank of Credit and Commerce International SA (No 8)

Re Bank of Credit and Commerce International SA (No 8) [1998] AC 214 is a UK insolvency law case, concerning the taking of a security interest over a company's assets and priority of creditors in a company winding up.

Finance

Reaction to the Tobin tax

This article is a list of all notable reaction to James Tobin's 1972 proposal of what is now known as the Tobin tax.

Trading basics

Real and nominal value

In economics, nominal value refers to value measured in terms of absolute money amounts, whereas real value is considered and measured against the actual goods or services for which it can be exchanged at a given time. Real value takes into account inflation and the value of an asset in relation to its purchasing power. In macroeconomics, the real gross domestic product compensates for i

Trading basics

Real bills doctrine

The real bills doctrine says that as long as bankers lend to businessmen only against the security (collateral) of short-term 30-, 60-, or 90-day commercial paper representing claims to real goods in the process of production, the loans will be just sufficient to finance the production of goods. The doctrine seeks to have real output determine its own means of purchase without affecting

Securities & exchanges

Real estate derivative

A real estate derivative is a financial instrument whose value is based on the price of real estate. The core uses for real estate derivatives are: hedging positions, pre-investing assets and re-allocating a portfolio. The major products within real estate derivatives are: swaps, futures contracts, options (calls and puts) and structured products. Each of these products can use a differ