XPayIndustry WIKIBack to home
XPAY KNOWLEDGE

Industry WIKI

Digital assets and currencies

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

Finance

Aave

Aave is a decentralized finance protocol (DeFi) that enables the lending and borrowing of cryptocurrencies without the involvement of intermediary financial institutions.

Finance

Accounting rate of return

The accounting rate of return, also known as average rate of return, or ARR, is a financial ratio used in capital budgeting. The ratio does not take into account the concept of time value of money. ARR calculates the return, generated to net income of the proposed capital investment. The ARR is a percentage return. Say, if ARR = 7%, then it means that the project is expected to earn seve

Trading basics

Automated trading system

An automated trading system (ATS), a subset of algorithmic trading, uses a computer program to create buy and sell orders and automatically submits the orders to a market center or exchange. The computer program will automatically generate orders based on predefined set of rules using a trading strategy which is based on technical analysis, advanced statistical and mathematical computati

Fiat currencies

Avignon Exchange

The Avignon Exchange was one of the first foreign exchange markets in history, established in the Comtat Venaissin during the Avignon Papacy. The Exchange was composed of the agents (factores) of the great Italian banking-houses, who acted as money-changers as well as financial intermediaries between the Apostolic Camera and its debtors and creditors. The most prosperous quarter of the c

Trading basics

Behavioral economics

Behavioral economics is the study of the psychological (e.g. cognitive, behavioral, affective, social) factors involved in the decisions of individuals or institutions, and how these decisions deviate from those implied by traditional economic theory.

Finance

Benefice

A benefice () or living is a reward received, usually in exchange for (or as a consequence of) services rendered; such payment also operates as a retainer to help ensure the delivery of such services, or fulfilment of the duties of the relevant office, into the future. The term is still used, although the substance of benefices has recently changed, in many historical parishes and positi

Finance

Cashless society

In a cashless society, financial transactions are not conducted with physical banknotes or coins, but instead with digital information (usually an electronic representation of money). Cashless societies have existed from the time when human society came into existence, based on barter and other methods of exchange, and cashless transactions have also become possible in modern times using

Finance

Cathedraticum

Cathedraticum (a Latin word from cathedra, episcopal seat or throne) is a specified sum of money to be paid annually toward a bishop. It is a mark of honour and a sign of subjection to the cathedral church, from which its name is derived.

Payments & settlement

Central Electronic System of Payments

The Central Electronic System of Payments (CESOP) regime is an automatic exchange of information regime being introduced in the European Union from 1 January 2024. The rules were introduced by Council Directive 2020/284, amending the EU's Value-added tax Directive.

Securities & exchanges

Chan–Karolyi–Longstaff–Sanders process

In mathematics, the Chan–Karolyi–Longstaff–Sanders process (abbreviated as CKLS process) is a stochastic process with applications to finance. In particular it has been used to model the term structure of interest rates. The CKLS process can also be viewed as a generalization of the Ornstein–Uhlenbeck process. It is named after K. C. Chan, G. Andrew Karolyi, Francis A. Longstaff, and Ant

Banking

Coin wrapper

A coin wrapper, also known as a bank roll or simply a roll, is a paper or plastic container designed to hold a specific number of coins. During 19th century, newly minted coins were collected in cloth bags. Initially, coin wrapping was a manual process. Since the onset of the 20th century, coin wrapping machines have been in use. The earliest patent for a coin wrapping machine was in 190

Trading basics

Commodity price shocks

Commodity price shocks are times when the prices for commodities have drastically increased or decreased over a short span of time.

Trading basics

Commodity trading advisor

A commodity trading advisor (CTA) is US financial regulatory term for an individual or organization who is retained by a fund or individual client to provide advice and services related to trading in futures contracts, commodity options and/or swaps. They are responsible for the trading within managed futures accounts. The definition of CTA may also apply to investment advisors for hedge

Securities & exchanges

Constant elasticity of variance model

In mathematical finance, the constant elasticity of variance model (CEV) is a stochastic volatility model, although technically it would be classed more precisely as a local volatility model, that attempts to capture stochastic volatility and the leverage effect. The model is widely used by practitioners in the financial industry, especially for modelling equities and commodities. It was

Finance

Constant function market maker

Constant-function market makers (CFMM) are a paradigm in the design of trading venues where a trading function and a set of rules determine how liquidity takers (LTs) and liquidity providers (LPs) interact, and how markets are cleared. The trading function is deterministic and known to all market participants.

Fiat currencies

Covered interest arbitrage

Covered interest arbitrage is an arbitrage trading strategy whereby an investor capitalizes on the interest rate differential between two countries by using a forward contract to cover (eliminate exposure to) exchange rate risk. Using forward contracts enables arbitrageurs such as individual investors or banks to make use of the forward premium (or discount) to earn a riskless profit fro

Fiat currencies

Currency basket

A currency basket is a portfolio of selected currencies with different weightings. A currency basket is commonly used by investors to minimize the risk of currency fluctuations and also governments when setting the market value of a country's currency.

Finance

Currency crisis

A currency crisis is a type of financial crisis, and is often associated with a real economic crisis. A currency crisis raises the probability of a banking crisis or a default crisis. During a currency crisis the value of foreign denominated debt will rise drastically relative to the declining value of the home currency. Generally doubt exists as to whether a country's central bank has s

Banking

Currency packaging

Currency packaging includes several forms of packing cash for easy handling and counting. Many systems use standard color-coding or are marked to indicate the amount in the package.

Fiat currencies

Debt intolerance

Debt intolerance is a term referring to the inability of emerging markets to manage levels of external debt that, under the same circumstances, would be manageable for developed countries, making a direct analogy to lactose-intolerant individuals. It was coined by Carmen Reinhart, Kenneth Rogoff and Miguel Savastano.

Finance

Derivatives market

The derivatives market is the financial market for derivatives – financial instruments like futures contracts or options – which are derived from other forms of assets.

Fiat currencies

Endogenous money

Endogenous money is an economy’s supply of money that is determined endogenously—that is, as a result of the interactions of other economic variables, rather than exogenously (autonomously) by an external authority such as a central bank.

Fiat currencies

Exchange rate regime

An exchange rate regime is a way a monetary authority of a country or currency union manages the currency about other currencies and the foreign exchange market. It is closely related to monetary policy and the two are generally dependent on many of the same factors, such as economic scale and openness, inflation rate, the elasticity of the labor market, financial market development, and

Finance

Financial analyst

A financial analyst is a professional undertaking financial analysis for external or internal clients as a core feature of the job. The role may specifically be titled securities analyst, research analyst, equity analyst, investment analyst, or ratings analyst. The job title is a broad one:

Finance

Financial econometrics

Financial econometrics is the application of statistical methods to financial data. Financial econometrics is a branch of financial economics, in the field of economics. Areas of study include capital markets, financial institutions, corporate finance and corporate governance. Topics often revolve around asset valuation of individual stocks, bonds, derivatives, currencies and other fina

Finance

FP&A

Financial planning and analysis (FP&A), in accounting and business, refers to the various integrated planning, analysis, and modeling activities aimed at supporting financial decisioning and management

Finance

FX Fighter Kurumi-chan

FX Fighter Kurumi-chan (Japanese: FX戦士くるみちゃん, Hepburn: FX Senshi Kurumi-chan) is a Japanese manga series written by Demunyan and illustrated by Daisuki Tansan. It was originally published as a web comic on Demunyan's personal website, before beginning serialization in Media Factory's Monthly Comic Flapper magazine in February 2021. An anime television series adaptation produced by Passio

Finance

Global Industry Classification Standard

The Global Industry Classification Standard (GICS) is an industry taxonomy developed in 1999 by MSCI and Standard & Poor's (S&P) for use by the global financial community. The GICS structure consists of 11 sectors, 25 industry groups, 74 industries and 163 sub-industries into which S&P has categorized all major public companies. The system is similar to ICB (Industry Classification Benc

Finance

Global saving glut

A global saving glut (also GSG, cash hoarding, dead cash, dead money, glut of excess intended saving, or shortfall of investment intentions) is a situation in which desired saving exceeds desired investment. By 2005 Ben Bernanke, chairman of the Federal Reserve, the central bank of the United States, expressed concern about the "significant increase in the global supply of saving" and

Securities & exchanges

Heston model

In finance, the Heston model, named after Steven L. Heston, is a mathematical model that describes the evolution of the volatility of an underlying asset. It is a stochastic volatility model: such a model assumes that the volatility of the asset is not constant, nor even deterministic, but follows a random process.

Trading basics

Hillary Clinton cattle futures controversy

In 1978 and 1979, lawyer and First Lady of Arkansas Hillary Rodham Clinton engaged in a series of trades of cattle futures contracts. Her initial $1,000 investment had generated nearly $100,000 (equivalent to $443,603.85 in 2025), when she stopped trading after ten months. In 1994, after Clinton had become First Lady of the United States, the trading became the subject of considerable co

Trading basics

Hispanic Television Summit

The Hispanic Television Summit is an annual conference for those in the business of television and video for Hispanic viewers in the United States, and worldwide. The Hispanic Television Summit is presented by two business publications for the television industry, Broadcasting & Cable and Multichannel News, and is produced by Joe Schramm and Rafael Eli (deceased, 2020) of Schramm Market

Finance

History of banking

The history of banking began with the first prototype banks, that is, the merchants of the world, who gave grain loans to farmers and traders who carried goods between cities. This was around 2000 BCE in Assyria, India, and Sumer. Later, in ancient Greece and during the Roman Empire, lenders based in temples gave loans, while accepting deposits and performing the change of money. Archaeo

Securities & exchanges

Implied volatility

In financial mathematics, the implied volatility (IV) of an option contract is that value of the volatility of the underlying instrument which, when input in an option pricing model (usually Black–Scholes), will return a theoretical value equal to the price of the option. A non-option financial instrument that has embedded optionality, such as an interest rate cap, can also have an impl

Finance

Indulgence

In the teaching of the Catholic Church, an indulgence (Latin: indulgentia, from indulgeo, 'permit') is "a way to reduce the amount of punishment one has to undergo for (forgiven) sins". The Catechism of the Catholic Church describes an indulgence as "a remission before God of the temporal punishment due to sins whose guilt has already been forgiven, which the faithful Christian who is du

Fiat currencies

Liquidity preference

In macroeconomic theory, liquidity preference is the demand for money, considered as liquidity. The concept was first developed by John Maynard Keynes in his book The General Theory of Employment, Interest and Money (1936) to explain the determination of the interest rate by the supply and demand for money.

Finance

List of public corporations by market capitalization

The following is a list of publicly traded companies, that have the largest market capitalization or "market value". Most or all of these companies would be categorized as megacap stocks.

Securities & exchanges

Local volatility

A local volatility model, in mathematical finance and financial engineering, is an option pricing model that treats volatility as a function of both the current asset level

Fiat currencies

Lucas islands model

The Lucas islands model is an economic model of the link between money supply and price and output changes in a simplified economy using rational expectations. It delivered a new classical explanation of the Phillips curve relationship between unemployment and inflation. The model was formulated by Robert Lucas, Jr. in a series of papers in the 1970s.

Finance

Macro risk

Macro risk is financial risk that is associated with macroeconomic or political factors. There are at least three different ways this phrase is applied. It can refer to economic or financial risk found in stocks and funds, to political risk found in different countries, and to the impact of economic or financial variables on political risk. Macro risk can also refer to types of economi

Finance

Manchester City F.C. ownership and finances

Manchester City Football Club dates back to 1894, when Ardwick A.F.C. dissolved and was reformed as Manchester City Football Club Ltd. Over recent years, the state of ownership and finances of Manchester City Football Club has been tumultuous, featuring various owners of contrasting fortunes, in line with the club's inconsistent trend on the pitch. The club is currently owned by the City

Finance

Market liquidity

In business, economics or investment, market liquidity is a market's feature whereby an individual or firm can quickly purchase or sell an asset without causing a drastic change in the asset's price. Liquidity involves the trade-off between the price at which an asset can be sold, and how quickly it can be sold. In a liquid market, the trade-off is mild: one can sell quickly without havi

Trading basics

Marketing failure

Marketing failure is when a commercial marketing effort by a business fails to accomplish anything positive, or alternately when a commercial product is either totally or mostly rejected by its potential customers.

Trading basics

Marketing strategy

Marketing strategy refers to the set of coordinated actions undertaken by an organization to increase sales, strengthen market presence, and achieve sustainable competitive advantage. It provides a structured and deliberate approach to promoting products or services by aligning organizational resources, market insights, and long-term objectives through systematic planning and analysis.

Finance

Mass stipend

In the Catholic Church, a Mass stipend is a donation given by the laity to a priest for celebrating a Mass for a particular intention. Despite the name, it is considered as a gift or offering (Latin: stips) freely given rather than a payment (Latin: stipendium) as such.

Finance

Mense

A mense (from Latin mensa 'table') is the name of a form of ecclesiastical income in the Catholic Church. Historically, the mense was a land tax that was used as income for its holder (i.e. bishop, abbot, canons or monks, pastor, etc.). In an abbey this support was called the In commendam and was divided into three lots, one for the commendatory abbot, one for the religious community a

Finance

Ministry of Economy and Finance (Venezuela)

The Ministry of Economy and Finance (Ministerio del Poder Popular de Economía y Finanzas, in Spanish, literally, "Ministry of People's Power for the Economy and Finance") is a ministry of the government of Venezuela with similar portfolios dating back to 1810 with the creation of a tax office. When Gran Colombia was dissolved and Venezuela assumed its independence, the Ministry of Financ

Finance

Ministry of Finance (Denmark)

The Ministry of Finance of Denmark (Danish: Finansministeriet) is a ministry in the Government of Denmark. Among other things, it is in charge of the government budget (subject to approval by the Danish parliament, Folketinget), paying government employees and improving efficiency in government administration. The current Finance Minister of Denmark is Nicolai Wammen.

Finance

Ministry of Finance (Mauritius)

The Ministry of Finance of Mauritius is a ministerial department found in the Cabinet of the Government of the Republic. It is considered as the most executive and important ministry in the cabinet after the Prime Minister's Office. The minister of finance is the most desirable position in the cabinet of the country except of the prime minister. Most of the time being the Deputy Prime Mi

Finance

Ministry of Finance (Nepal)

The Ministry of Finance (Nepali: अर्थ मन्त्रालय) is the central authority of Government of Nepal charged with the responsibilities for maintaining both micro and macro economic stability in the country.

Finance

Ministry of Finance (Spain)

The Ministry of Finance or Ministry of Treasury (Spanish: Ministerio de Hacienda, MH) is the department of the Government of Spain responsible for the design and implementation of the government policy on public finance and budget. It applies and manages the regional and local financing systems and the provision of information on the economic-financial activity of the different Public Ad

Finance

Ministry of Finance and Economy (Dominican Republic)

The Ministry of Finance and Economy of the Dominican Republic (Spanish: Ministerio de Hacienda y Economía de la República Dominicana, MHE) also known as Treasury (Spanish: Hacienda), is the government institution in charge of preparing, executing and evaluating the country's fiscal policies, including national income, expenses and finance and securing its sustainability in relation to t

Finance

Ministry of Finance and Prices (Cuba)

The Ministry of Finance and Prices (Spanish: Ministerio de Finanzas y Precios, MFP) of Cuba is responsible for managing the public finances of Cuba, including budget, tax, treasury, price and public credit policies.

Finance

Ministry of Revenue (Imperial China)

The Ministry or Board of Revenue was one of the Six Ministries under the Department of State Affairs in imperial China.

Finance

Model risk

In finance, model risk is the risk of loss resulting from using insufficiently accurate models to make decisions, originally and frequently in the context of valuing financial securities.

Fiat currencies

Monetary circuit theory

Monetary circuit theory is a heterodox theory of monetary economics, particularly money creation, often associated with the post-Keynesian school.

Fiat currencies

Monetary/fiscal debate

The monetary/fiscal policy debate, otherwise known as the Ando–Modigliani/Friedman–Meiselman debate (or AM/FM debate from the main instigators' initials, and for this reason sometimes jokingly called the "radio stations debate"), was the exchange of viewpoints about the comparative efficiency of monetary policies and fiscal policies that originated with a work co-authored by Milton Fried

Finance

Mordor, Warsaw

Mordor, also known as Mordor on Domaniewska Street (Polish: Mordor na Domaniewskiej), is a colloquial name for a financial district in the Mokotów district of Warsaw, Poland, within north Służewiec and west Ksawerów. The area is mostly composed of office buildings, including the headquarters of numerous domestic companies, and branches of many multinational corporations. Emerging in the

Trading basics

Novig

Novig is a sports-focused prediction market platform based in New York City. It is regulated as a financial exchange rather than a sportsbook.

Finance

Palais Brongniart

The Palais Brongniart (French pronunciation: [palɛ bʁɔ̃ɲaʁ]; English: Brongniart Palace) is a building in Paris that was built at the direction of Napoleon in the early 19th century to house the Paris stock exchange (French: Bourse de Paris). It is located at the Place de la Bourse, in the 2nd arrondissement in central Paris. It was named after its initial architect, Alexandre-Théodore B

Trading basics

Paper wealth

Paper wealth means financial assets or possessions as measured by their monetary value, as reflected in the price of assets – how much money one's assets could be sold for. Paper wealth is contrasted with real wealth, which refers to one's actual physical assets. For example, if one owns a house and its assessed value increases (relative to the general price level, i.e., assuming no infl

Finance

Peter's Pence

Peter's Pence (or Denarii Sancti Petri and "Alms of St Peter") are donations or payments made directly to the Holy See of the Catholic Church. The practice began under the Saxons in England and spread through Europe. Both before and after the Norman Conquest the practice varied by time and place: initially, it was given as a pious contribution, whereas later it was required by various ru

Fiat currencies

Polak model

The Polak model is a monetary approach to the balance of payment published by J. J. Polak in 1957. It seeks to model a small, open economy operating under fixed nominal exchange rate. Polak suggest explicit links between the monetary and external sectors. Polak results continue to form the theoretical bases on which the IMF Financial Programming are carried out.

Finance

Post–earnings-announcement drift

In financial economics and accounting research, post–earnings-announcement drift or PEAD (also named the SUE effect) is the tendency for a stock's cumulative abnormal returns to drift in the direction of an earnings surprise for several weeks (even several months) following an earnings announcement. This phenomenon is one of the oldest and most persistent capital market anomalies, with e

Trading basics

Prediction market

Prediction markets, also known as betting markets, information markets, decision markets, idea futures, or event derivatives, are open markets that enable the prediction of specific outcomes using financial incentives. They are exchange-traded markets established for trading bets in the outcome of various events.

Fiat currencies

Price system

In economics, a price system is a system through which the valuations of any forms of property (tangible or intangible) are determined. All societies use price systems in the allocation and exchange of resources as a consequence of scarcity. Even in a barter system with no money, price systems are still utilized in the determination of exchange ratios (relative valuations) between the pr

Trading basics

Put–call parity

In financial mathematics, the put–call parity defines a relationship between the price of a European call option and European put option, both with the identical strike price and expiry, namely that a portfolio of a long call option and a short put option is equivalent to (and hence has the same value as) a single forward contract at this strike price and expiry. This is because if the p

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

Securities & exchanges

Risk-neutral measure

In mathematical finance, a risk-neutral measure (also called an equilibrium measure, or equivalent martingale measure) is a probability measure such that each share price is exactly equal to the discounted expectation of the share price under this measure.

Securities & exchanges

SABR volatility model

In mathematical finance, the SABR model is a stochastic volatility model, which attempts to capture the volatility smile in derivatives markets. The name stands for "stochastic alpha, beta, rho", referring to the parameters of the model. The SABR model is widely used by practitioners in the financial industry, especially in the interest rate derivative markets. It was developed by Patric

Trading basics

Sports betting

Sports betting is the activity of predicting sports results and placing a wager on the outcome.

Finance

Standing Committee on Finance

The Parliamentary Standing Committee on Finance (SCOF) is a department related standing committee (DRSC) constituted by the Parliament of India comprising selected members of parliament for the purpose of legislative oversight on the policies and decision making of the following four ministries:

Securities & exchanges

Stochastic volatility

In statistics, stochastic volatility models are those in which the variance of a stochastic process is itself randomly distributed. They are used in the field of mathematical finance to evaluate derivative securities, such as options. The name derives from the models' treatment of the underlying security's volatility as a random process, governed by state variables such as the price leve

Finance

Supply chain finance

Supply chain finance (SCF), also known as supplier finance or reverse factoring, comprises a suite of financial solutions that aim to manage working capital and liquidity for businesses within a supply chain. These arrangements are typically initiated by a buyer to allow their suppliers to access funding for their accounts receivable at interest rates based on the buyer's credit rating,

Trading basics

Swing producer

A swing producer or swing supplier is a supplier or a close oligopolistic group of suppliers of any commodity, controlling its global deposits and possessing large spare production capacity. A swing producer is able to increase or decrease commodity supply at minimal additional internal cost, and thus able to influence prices and balance the markets, providing downside protection in the

Fiat currencies

Technical analysis

In finance, technical analysis is an analysis methodology for analysing and forecasting the direction of prices through the study of past market data, primarily price and volume. As a type of active management, it stands in contradiction to much of modern portfolio theory. The efficacy of technical analysis is disputed by the efficient-market hypothesis, which states that stock market pr

Trading basics

The Good Judgment Project

The Good Judgment Project (GJP) is an organization dedicated to "harnessing the wisdom of the crowd to forecast world events". It was co-created by Philip E. Tetlock (author of Superforecasting: The Art and Science of Prediction and Expert Political Judgment), decision scientist Barbara Mellers, and Don Moore, all professors at the University of Pennsylvania.

Finance

Treasury management

Treasury management (or treasury operations) entails management of an enterprise's financial holdings, focusing on the firm's liquidity, and mitigating its financial, operational and reputational risk.

Trading basics

Upfront (advertising)

An upfront is a gathering at the start of important advertising sales periods, held by network and streaming executives and attended by major advertisers and the media. Where once the Upfronts were all about the television industry, it has expanded to include streaming platforms. It is so named because of its main purpose, to allow marketers to buy television commercial airtime "up front

Finance

Volatility arbitrage

In finance, volatility arbitrage (vol arb) is a term for financial arbitrage techniques directly dependent and based on volatility.

Securities & exchanges

Volatility swap

In finance, a volatility swap is a forward contract on the future realised volatility of a given underlying asset. Volatility swaps allow investors to trade the volatility of an asset directly, much as they would trade a price index. Its payoff at expiration is equal to

Assets

WhopperCoin

WhopperCoin was a cryptocurrency launched by the Russian branch of Burger King as a loyalty program in the summer of 2017. It was primarily notable for being the first issuance of branded cryptocurrency by a major company and the first form of loyalty points that could be traded freely; the BBC noted that Burger King was the "first major corporate brand to issue its own crypto-cash", wit

Finance

Yeouido

Yeouido (Korean: 여의도; lit. 'Yeoui Island'), also Yoido, is a river island on the Han River in Seoul, South Korea. It is Seoul's main finance, media, and investment banking district. It is 8.4 square kilometres (3.2 mi2) large and has a population of 32,674 as of August 2023.