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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Trading basics

Passive income

Passive income is a type of unearned income that is acquired with little to no labor to earn or maintain. It is often combined with another source of income, such as regular employment or a side job. Passive income, as an acquired or earned income, is typically taxable.

Finance

Pavlov Reform

Monetary reform of 1991 (known also as Pavlov Reform) was the last such reform in the Soviet Union. The reform retired and confiscated large-denomination bills to attempt to dampen inflation and combat the black market within the Soviet Union. It began on January 22, 1991. Its architect was Minister of Finance Valentin Pavlov, who was to become the last prime minister of the Soviet Union

Banking

Peer-to-peer investing

Peer-to-peer investing (P2PI) is the practice of investing money in notes issued by borrowers who are requesting a loan without going through a traditional financial intermediary and who are unknown to the investor. P2PI is not to be confused with Peer-to-peer lending (P2PL) which deals with the borrower's part. Investing takes place online via a peer-to-peer lending/investing company. T

Finance

PEG ratio

The PEG ratio (price/earnings to growth ratio) is a valuation metric for determining the relative trade-off between the price of a stock, the earnings generated per share (EPS), and the company's expected growth.

Trading basics

Pension

A pension (; from Latin pensiō 'payment') is a fund or pay-as-you-go scheme into which amounts are paid regularly during an individual's working career, and from which periodic payments are made to support the person's retirement from work. A pension may be either a "defined benefit plan", where defined periodic payments are made in retirement and the contributions to the pension are ad

Trading basics

Pension systems by country

The table below shows the pension systems pillars by country.

Trading basics

Pensions crisis

The pensions crisis, or pensions time bomb is the predicted difficulty in paying for corporate or government pension benefits in various countries, due to a mismatch between pension obligations and the resources set aside to fund them. The basic difficulty of the pension problem is that institutions must be sustained over far longer than the political planning horizon. Shifting demograph

Finance

Pensions in Denmark

Pensions in Denmark consist of both private and public pension programs, all managed by the Agency for the Modernisation of Public Administration under the Ministry of Finance. Denmark created a multipillar system, consisting of an unfunded social pension scheme, occupational pensions, and voluntary personal pension plans. Denmark's system is a close resemblance to that encouraged by the

Trading basics

Performance fee

A performance fee is a fee that a client account or an investment fund may be charged by the investment manager that manages its assets in addition to its management fee.

Finance

Personal budget

A personal budget (for an individual) or household budget (for a group sharing a household) is a plan for the coordination of income and expenses.

Trading basics

Personal income

In economics, personal income refers to the total earnings of an individual from various sources such as wages, investment ventures, and other sources of income. It encompasses all the products and money received by an individual.

Trading basics

Philippine investment climate

This article describes the Philippine investment climate.

Trading basics

Phillips curve

The Phillips curve is a representation of the relationship between unemployment and inflation in the macroeconomy, where a tradeoff between low unemployment and price stability exists. Identified by economist Bill Phillips, the curve shows a relationship between lowering unemployment with increasing wages in an economy. While Phillips did not directly link employment and inflation, this

Securities & exchanges

Pin risk

Pin risk occurs when the market price of the underlier of an option contract at the time of the contract's expiration is close to the option's strike price. In this situation, the underlier is said to have pinned. The risk to the writer (seller) of the option is that they cannot predict with certainty whether the option will be exercised or not. So the writer cannot hedge their position

Finance

Port City Colombo

Port City Colombo (Sinhala: කොළඹ වරාය නගරය, romanised: Koḷam̆ba Warāya Nagaraya) is a multi-services special economic zone located in Colombo, Sri Lanka, which is currently under construction on reclaimed land adjacent to the Galle Face Green. The land reclamation work had been completed as of January 2019. In 2017, the cost was stated to be US$ 15 billion. Port City Colombo is a multi-b

Trading basics

Post-money valuation

Post-money valuation is a way of expressing the value of a company after an investment has been made. This value is equal to the sum of the pre-money valuation and the amount of new equity.

Trading basics

PRA Group

PRA Group, Inc. is a publicly traded debt buyer and debt collection company based in Norfolk, Virginia. The company buys delinquent consumer debt from credit card issuers and other financial institutions at a discount and pursues collection of the full debt owed. Founded in 1996, PRA Group employs more than 3200 people in 18 countries.

Trading basics

Preferential creditor

A preferential creditor (in some jurisdictions called a preferred creditor) is a creditor receiving a preferential right to payment upon the debtor's bankruptcy under applicable insolvency laws.

Finance

Present value of growth opportunities

In corporate finance,

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–earnings ratio

The price–earnings ratio (P/E ratio, P/E, or PER) is the ratio of a company's share price to the company's earnings per share. The ratio is used for valuing companies and to find out whether they are overvalued or undervalued.

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

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

Property derivative

A property derivative is a financial derivative whose value is derived from the value of an underlying real estate asset. In practice, because individual real estate assets fall victim to market inefficiencies and are hard to accurately price, property derivative contracts are typically written based on a real estate property index. In turn, the real estate property index attempts to a

Securities & exchanges

Public–private partnership

A public–private partnership (PPP, 3P, or P3) is a long-term arrangement between a government and private sector institutions. Typically, it involves private capital financing government projects and services up-front, and then drawing revenues from taxpayers and/or users for profit over the course of the PPP contract. Public–private partnerships have been implemented in multiple countri

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

Put option

In finance, a put or put option is a derivative instrument in financial markets that gives the holder (i.e. the purchaser of the put option) the right to sell an asset (the underlying), at a specified price (the strike), by (or on) a specified date (the expiry or maturity) to the writer (i.e. seller) of the put. The purchase of a put option is interpreted as a negative sentiment about th

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

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

Quote stuffing

In finance, quote stuffing refers to a form of market manipulation employed by high-frequency traders (HFT) that involves quickly entering and withdrawing a large number of orders in an attempt to flood the market. This can create confusion in the market and trading opportunities for high-speed algorithmic traders. The term is relatively new to the financial market lexicon and was coined

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.

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

Finance

Recovery swap

In finance, recovery swaps, recovery locks, or recovery default swaps (RDS) are derivative contracts related to credit default swaps, and reference a bond issuance as its underlying. They are designed to provide a hedge against the uncertainty of recovery in default.

Trading basics

Reference rate

A reference rate is a rate that determines pay-offs in a financial contract and that is outside the control of the parties to the contract. It is often some form of LIBOR rate, but it can take many forms, such as a consumer price index, a house price index or an unemployment rate. Parties to the contract choose a reference rate that neither party has power to manipulate.

Trading basics

Reflation

Reflation is used to describe a return of prices to a previous rate of inflation. One usage describes an act of stimulating the economy by increasing the money supply or by reducing taxes, seeking to bring the economy (specifically the price level) back up to the long-term trend, following a dip in the business cycle. It is the opposite of disinflation, which seeks to return the economy

Trading basics

Remittances to India

Remittances to India are money transfers from non-resident Indians (NRIs) employed outside the country to family, friends, or relatives residing in India. India is the world's top receiver of remittances, claiming more than 12% of the world's remittances in 2015. Remittances to India stood at US$125 billion in 2023, up from US$69 billion in 2017. Remittances from India to other countries

Trading basics

Remittances to Nepal

Remittances to Nepal are money transfers from Nepalese workers employed outside the country to friends or relatives in Nepal and form part of the wider global remittance transfers by migrant workers back to their home countries. Remittances constitute a substantial economic pillar for Nepal. In 2023, these inward transfers were valued at an estimated US$11 billion, contributing a signifi

Securities & exchanges

Restricted stock

Restricted stock, also known as restricted securities, is stock of a company that is not fully transferable (from the stock-issuing company to the person receiving the stock award) until certain conditions (restrictions) have been met. Upon satisfaction of those conditions, the stock is no longer restricted, and becomes transferable to the person holding the award. Restricted stock is of

Trading basics

Retirement age

This article lists the statutory retirement age in different countries. In some contexts, the retirement age is the age at which a person is expected or required to cease work. It is usually the age at which such a person may be entitled to receive superannuation or other government benefits, like a state pension.

Finance

Return on capital

Return on capital (ROC), or return on invested capital (ROIC), is a ratio used in finance, valuation and accounting, as a measure of the profitability and value-creating potential of companies relative to the amount of capital invested by shareholders and other debtholders. It indicates how effective a company is at turning capital into profits.

Finance

Return on capital employed

Return on capital employed is an accounting ratio used in finance, valuation, and accounting. It is a useful measure for comparing the relative profitability of companies after taking into account the amount of capital used.

Finance

Return on equity

The return on equity (ROE) is a measure of the profitability of a business in relation to its equity;

Finance

Return on investment

Return on investment (ROI) or return on costs (ROC) is the ratio between net income or profit to investment (costs resulting from an investment of some resources). A high ROI means the investment's gains compare favorably to its cost. As a performance measure, ROI is used to evaluate the efficiency of an investment or to compare the efficiencies of several different investments. In econo

Finance

Return on tangible equity

Return on Tangible Equity (ROTE) is a financial performance metric that measures a company's profitability relative to its tangible common equity. Unlike Return on Equity, ROE, which includes intangible assets such as goodwill, ROTE focuses solely on the tangible portion of shareholders' equity, excluding intangible assets and preferred equity. This makes ROTE particularly useful for eva

Finance

Risk arbitrage

Risk arbitrage, also known as merger arbitrage, is an investment strategy that speculates on the successful completion of mergers and acquisitions. An investor that employs this strategy is known as an arbitrageur. Risk arbitrage is a type of event-driven investing in that it attempts to exploit pricing inefficiencies caused by a corporate event.

Finance

Risk reversal

In finance, risk reversal (also known as a conversion when an investment strategy) can refer to a measure of the volatility skew or to a trading strategy.

Finance

Robert A. Jarrow

Robert Alan Jarrow is the Ronald P. and Susan E. Lynch Professor of Investment Management at the Cornell Johnson Graduate School of Management. Professor Jarrow is a co-creator of the Heath–Jarrow–Morton framework for pricing interest rate derivatives, a co-creator of the reduced form Jarrow–Turnbull credit risk models employed for pricing credit derivatives, and the creator of the forw

Fiat currencies

Robert W. Clower

Robert Wayne Clower (February 13, 1926 – May 2, 2011) was an American economist. He is credited with having largely created the field of stock-flow analysis in economics and with seminal works on the microfoundations of monetary theory and macroeconomics.

Payments & settlement

Russian National Card Payment System

The National Payment Card System (Russian: Национальная система платёжных карт; known its acronym NSPK) is an operational and payment clearing house for processing bank card transactions within Russia and the operator of the Mir card payment system. It is the operational and payment clearing house of the Faster Payment System (FPS) and wholly owned by the Central Bank of Russia (CBR).

Finance

S&P Sri Lanka 20 Index

The S&P SL20, or the Standard & Poor's Sri Lanka 20, is a stock market index, based on market capitalization, that follows the performance of 20 leading publicly traded companies listed in the Colombo Stock Exchange. The 20 companies that make up the index is determined by Standard & Poor's global index methodology, according to which the index's listing is reviewed each year. All S&P SL

Securities & exchanges

Securities lending

In finance, securities lending or stock lending refers to the lending of securities by one party to another.

Finance

Self-fulfilling crisis

Self-fulfilling crisis refers to a situation that a financial crisis is not directly caused by the unhealthy economic fundamental conditions or improper government policies, but a consequence of pessimistic expectations of investors. In other words, investors' fear of the crisis makes the crisis inevitable, which justified their initial expectations.

Networks

Session (software)

Session is an Australian, currently Switzerland-based, cross-platform end-to-end encrypted instant messaging application emphasizing user confidentiality and anonymity. Developed and maintained by the non-profit The Session Technology Foundation, it employs a blockchain-based decentralized network for transmission. Users can send one-to-one and group messages, including various media typ

Fiat currencies

Shadow Open Market Committee

The Shadow Open Market Committee (SOMC) is an independent group of economists, first organized in 1973 by Professors Karl Brunner, from the University of Rochester, and Allan Meltzer, from Carnegie Mellon University, to provide a monetarist alternative to the views on monetary policy and its inflation effects then prevailing at the Federal Reserve and within the economics profession.

Securities & exchanges

Share (finance)

A share (sometimes referred to as stock or equity) is a unit of equity ownership in the capital stock of a corporation. It can refer to units of mutual funds, limited partnerships, and real estate investment trusts. Share capital refers to all of the shares of an enterprise. The owner of shares in a company is a shareholder (or stockholder) of the corporation. A share expresses the owner

Securities & exchanges

Shareholder

A shareholder (in the United States often referred to as a stockholder) refers to an individual or legal entity (such as another corporation, a body politic, a trust or partnership) who is registered by a corporation as the legal owner of shares of the corporations share capital. Both public companies and private corporation have shareholders. Shareholders may also be referred to as mem

Trading basics

Social pension

According to the International Labour Organization, social security is a human right that aims at reducing and preventing poverty and vulnerability throughout the life cycle of individuals. Social security includes different kinds of benefits (maternity, unemployment, disability, sickness, old age, etc.) A social pension is a stream of payments from the state to an individual that starts

Banking

SpareBank 1

SpareBank 1 is a Norwegian alliance and brand name for a group of savings banks. The alliance is organised through the holding company SpareBank 1 Gruppen AS owned by the participating banks. In total the alliance is Norway's second largest bank with total assets of NOK 625 billion, 352 branches and 6300 employees. The alliance has its head office in Oslo, Norway. The banks in the SpareB

Trading basics

Special economic zone

A special economic zone (SEZ) is an area in which the business and trade laws are different from the rest of the country. SEZs are located within a country's national borders, and their aims include increasing trade balance, employment, increased investment, job creation and effective administration. To encourage businesses to set up in the zone, financial policies are introduced. These

Finance

Spoofing (finance)

Spoofing is a disruptive algorithmic trading activity employed by traders to outpace other market participants and to manipulate markets. Spoofers feign interest in trading futures, stocks, and other products in financial markets creating an illusion of the demand and supply of the traded asset. In an order driven market, spoofers post a relatively large number of limit orders on one sid

Securities & exchanges

Spread option

In finance, a spread option is a type of option where the payoff is based on the difference in price between two underlying assets. For example, the two assets could be crude oil and heating oil; trading such an option might be of interest to oil refineries, whose profits are a function of the difference between these two prices. Spread options are generally traded over the counter, rath

Trading basics

Stagflation

Stagflation is the combination of high inflation, stagnant economic growth, and elevated unemployment. The term stagflation, a portmanteau of "stagnation" and "inflation", was popularized and probably coined by British politician Iain Macleod in the 1960s, during a period of economic distress in the United Kingdom. It gained broader recognition in the 1970s after a series of global econo

Trading basics

Startup company

A startup or start-up is a company or project typically undertaken by an entrepreneur to seek, develop, and validate a scalable business model. While entrepreneurship includes all new businesses including self-employment and businesses that do not intend to go public, startups are new businesses that intend to grow large beyond the solo-founder. At the early stages, startups face signifi

Trading basics

Statistical arbitrage

In finance, statistical arbitrage (Stat Arb or StatArb) is a class of short-term financial trading strategies that employ mean reversion models involving broadly diversified portfolios of securities (hundreds to thousands) held for short periods of time (generally seconds to days). These strategies are supported by substantial mathematical, computational, and trading platforms.

Securities & exchanges

Stock dilution

Stock dilution, also known as equity dilution, is the decrease in existing shareholders' ownership percentage of a company as a result of the company issuing new equity. New equity increases the total shares outstanding which has a dilutive effect on the ownership percentage of existing shareholders. This increase in the number of shares outstanding can result from a primary market off

Finance

Straddle

In finance, a straddle strategy involves two transactions in options on the same underlying, with opposite positions. One holds long risk, the other short. As a result, it involves the purchase or sale of particular option derivatives that allow the holder to profit based on how much the price of the underlying security moves, regardless of the direction of price movement.

Securities & exchanges

Strangle (options)

In finance, a strangle is an options strategy involving the purchase or sale of two options, allowing the holder to profit based on how much the price of the underlying security moves, with a neutral exposure to the direction of price movement. A strangle consists of one call and one put with the same expiry and underlying but different strike prices. Typically the call has a higher stri

Securities & exchanges

Street name securities

The phrase street name securities or "nominee name securities" is used in the United States to refer to securities of companies which are held electronically in the account of a stockbroker or bank or custodian, similar to a bank account. The entity whose name is recorded as the legal owner of the securities is known as the "nominee owner," and that entity has ownership rights in the sec

Finance

Student loan

A student loan is a type of loan designed to help students pay for tertiary education and the associated fees, such as tuition, books and supplies, and living expenses. It may differ from other types of loans in the fact that the interest rate may be substantially lower and the repayment schedule may be deferred while the student is still in school. It also differs in many countries in t

Securities & exchanges

Subprime mortgage crisis

The American subprime mortgage crisis was a multinational financial crisis that occurred between 2007 and 2010, contributing to the 2008 financial crisis. It led to a severe economic recession, with millions becoming unemployed and many businesses going bankrupt. The U.S. government intervened with a series of measures to stabilize the financial system, including the Troubled Asset Relie

Trading basics

Suggestion box

The suggestion box is used for collecting slips of paper with input from customers and patrons of a particular organization. Suggestion boxes may also exist internally, within an organization, such as means for garnering employee opinion.

Finance

Sustainable growth rate

According to PIMS (profit impact of marketing strategy), an important lever of business success is growth. Among 37 variables, growth is mentioned as one of the most important variables for success: market share, market growth, marketing expense to sales ratio or a strong market position.

Trading basics

Swiss Union of Arts and Crafts

The Swiss Union of Arts and Crafts, (in German Schweizerischer Gewerbeverband SVG, in Italian Unione svizzera delle arti e mestieri USAM, in French Union Suisse des Arts et Métiers USAM) or Swiss Trade Association is a Swiss umbrella organization representing the small and medium-sized enterprises of the country.

Securities & exchanges

Synthetic position

In finance, a synthetic position is a way to create the payoff of a financial instrument using other financial instruments.

Securities & exchanges

Thematic investing

Thematic investing is a form of investment that aims to identify macro-level trends and the underlying investments that stand to benefit from the materialisation of those trends. Thematic investing aims to seize opportunities arising from megatrends likely to shape the global economy in the decades ahead.

Finance

Tipalti

Tipalti is an American multinational financial technology company headquartered in Foster City, California, with offices in Amsterdam, London, Plano, Tbilisi, Tel Aviv, Toronto, and Vancouver. The company provides accounts payable, procurement, expense management, and global payments automation software for businesses.

Trading basics

Tone at the top

"Tone at the top" is a term that originated in the field of accounting and is used to describe an organization's general ethical climate, as established by its board of directors, audit committee, and senior management. Having good tone at the top is believed by business ethics experts to help prevent fraud and other unethical practices. The very same idea is expressed in negative terms

Finance

Trade finance

Trade finance is a phrase used to describe different strategies that are employed to make international trade easier. It signifies financing for trade, and it concerns both domestic and international trade transactions. A trade transaction requires a seller of goods and services as well as a buyer. Various intermediaries such as banks and financial institutions can facilitate these trans

Finance

Treasury (Australia)

The Department of the Treasury, also known as the Treasury, is the national treasury and financial department of the federal government of Australia. The treasury is responsible for executing economic and fiscal policy, market regulation and the delivery of the federal budget with the department overseeing 16 agencies. The Treasury is one of only two departments that have existed contin

Fiat currencies

Treasury view

In macroeconomics, particularly in the history of economic thought, the Treasury view is the assertion that fiscal policy has no effect on the total amount of economic activity and unemployment, even during times of economic recession. This view was most famously advanced in the 1930s (during the Great Depression) by the staff of the British Chancellor of the Exchequer. The position can

Finance

Treynor ratio

In finance, the Treynor reward-to-volatility model (sometimes called the reward-to-volatility ratio or Treynor measure), named after American economist Jack L. Treynor, is a measurement of the returns earned in excess of that which could have been earned on an investment that has no risk that can be diversified (e.g., Treasury bills or a completely diversified portfolio), per unit of mar

Payments & settlement

Truck wages

Truck wages are wages paid not in conventional money but instead in the form of payment in kind (i.e. commodities, including goods and/or services); credit with retailers; or a money substitute, such as scrip, chits, vouchers or tokens. Truck wages are a characteristic of a truck system, and are banned by the labour legislation of many countries.

Finance

Turbo warrant

A turbo warrant (or callable bull/bear contract) is a kind of stock option. Specifically, it is a barrier option of the down and out type. It is similar to a vanilla contract, but with two additional features: It has a low vega, meaning that the option price is much less affected by the implied volatility of the stock market, and it is highly geared due to the possibility of knockout. Th

Trading basics

Unsecured debt

In finance, unsecured debt refers to any type of debt or general obligation that is not protected by a guarantor, or collateralized by a lien on specific assets of the borrower in the case of a bankruptcy or liquidation or failure to meet the terms for repayment. Unsecured debts are sometimes called signature debt or personal loans. These differ from secured debt such as a mortgage, whic

Fiat currencies

Uthum Herat

Amal Uthum Herat (15 September 1957 – 23 October 2009) born in Colombo, Sri Lanka was Deputy Governor of the Central Bank of Sri Lanka and Alternate Executive Director of the International Monetary Fund.

Finance

Value added

Value added is a term in economics for calculating the difference between market value of a product or service, and the sum value of its constituents. It is relatively expressed by the supply-demand curve for specific units of sale. Value added is distinguished from the accounting term added value which measures only the financial profits earned upon transformational processes for specif

Banking

Vancity

Vancouver City Savings Credit Union, commonly referred to as Vancity, is a member-owned financial co-operative headquartered in Vancouver, British Columbia, Canada. By asset size, Vancity is the largest community credit union in Canada as of 2019, with CA$28.2 billion in assets plus assets under administration, 60 branches and more than 543,000 members.

Securities & exchanges

Vanna–Volga pricing

The Vanna–Volga method is a mathematical tool used in finance. It is a technique for pricing first-generation exotic options in foreign exchange market (FX) derivatives.

Trading basics

Venture capital

Venture capital (VC) is a form of private equity financing provided by firms or funds to startup, early-stage, and emerging companies, that have been deemed to have high growth potential or that have demonstrated high growth in terms of number of employees, annual revenue, scale of operations, etc. Venture capital firms or funds invest in these early-stage companies in exchange for equit

Fiat currencies

Wage unit

The wage unit is a unit of measurement for monetary quantities introduced by Keynes in his 1936 book The General Theory of Employment, Interest and Money (General Theory). A value expressed in wage units is equal to its price in money units divided by the wage (in money units) of a man-hour of labour.

Payments & settlement

Warrant of payment

In financial transactions, a warrant is a written order by one person that instructs or authorises another person to pay a specified recipient a specific amount of money or supply goods at a specific date. A warrant may or may not be negotiable and may be a bearer instrument that authorises payment to the warrant holder on demand or after a specific date. Governments and businesses may p

Fiat currencies

XRP Ledger

The XRP Ledger (XRPL), also called the Ripple Protocol, is a cryptocurrency platform launched in 2012 by Ripple Labs. The XRPL employs the native cryptocurrency known as XRP, and supports tokens, cryptocurrency or other units of value such as frequent flyer miles or mobile minutes.

Trading basics

Xsolla

Xsolla is an American financial technology company that makes payment software for video games. It was founded in 2005 in Perm, Russia, by Aleksandr Agapitov. As of 2022, it had 500 employees. The company's core product is Pay Station, a suite of tools for integrating payment systems. It can be used to accept more than 1000+ payment types in more than 200 countries. Xsolla software was u

Fiat currencies

XTX Markets

XTX Markets Limited is a British algorithmic trading company based in London. It was founded in January 2015 by Alexander Gerko, who is currently co-CEO alongside Hans Buehler. The company employs around 300 people globally (as of 2026) and uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, cur

Securities & exchanges

XVA

In mathematical finance, X-Value Adjustment (XVA, xVA) is an umbrella term referring to a number of different "valuation adjustments" that banks must make when assessing the value of derivative contracts that they have entered into. The purpose of these is twofold: primarily to hedge for possible losses due to other parties' failures to pay amounts due on the derivative contracts; but al