XPayIndustry WIKIBack to home
XPAY KNOWLEDGE

Industry WIKI

Digital assets and currencies

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

Fiat currencies

Electricity as the Dominant Force in the World

Electricity as the Dominant Force in the World is an 1896 United States five-dollar silver certificate. It is of the US large-size variety measuring 7.375 in (187.3 mm) by 3.125 in (79.4 mm). The note is one of three notes that are part of the "Educational Series". As a result of the nudity portrayed on the obverse and other controversies, the note was replaced in 1899.

Payments & settlement

Electronic Payment Services

Electronic Payment Services (Chinese: 易辦事), commonly known as EPS, is an electronic payment system based in Hong Kong, Macau, and with limited acceptance in Shenzhen since it began operations in 1985. The service is provided by EPS Company (Hong Kong) Limited which currently has over 30,000 acceptance locations.

Finance

Employee stock option

Employee stock options (ESO or ESOPs) is a label that refers to compensation contracts between an employer and an employee that carries some characteristics of financial options.

Securities & exchanges

Energy derivative

An energy derivative is a derivative contract based on (derived from) an underlying energy asset, such as natural gas, crude oil, or electricity. Energy derivatives are exotic derivatives and include exchange-traded contracts such as futures and options, and over-the-counter (i.e., privately negotiated) derivatives such as forwards, swaps and options. Major players in the energy derivati

Finance

Envestnet

Envestnet, Inc. is an American financial technology corporation which develops and distributes wealth management software and products to financial advisors and institutions. Its main product is an advisory platform that integrates the services and software used by financial advisors in wealth management.

Banking

Environmental, social, and governance

Environmental, social, and governance (ESG) is shorthand for an investing principle that prioritizes environmental issues, social issues, and corporate governance. Investing with ESG considerations is sometimes referred to as responsible investing or, in more proactive cases, impact investing. The term is also frequently used interchangeably with corporate social responsibility and susta

Trading basics

Equity co-investment

An equity co-investment (or co-investment) is a minority investment, made directly into an operating company, alongside a financial sponsor or other private equity investor, in a leveraged buyout, recapitalization or growth capital transaction. In certain circumstances, venture capital firms may also seek co-investors.

Securities & exchanges

Equity derivative

In finance, an equity derivative is a class of derivatives whose value is at least partly derived from one or more underlying equity securities. Options and futures are by far the most common equity derivatives, however there are many other types of equity derivatives that are actively traded.

Securities & exchanges

Equity premium puzzle

The equity premium puzzle refers to the inability of an important class of economic models to explain the average equity risk premium (ERP) provided by a diversified portfolio of equities over that of government bonds, which has been observed for more than 100 years. There is a significant disparity between returns produced by stocks compared to returns produced by government treasury bi

Trading basics

Equity risk

Equity risk is "the financial risk involved in holding equity in a particular investment." Equity risk is a type of market risk that applies to investing in shares. The market price of stocks fluctuates all the time, depending on supply and demand. The risk of losing money due to a reduction in the market price of shares is known as equity risk.

Securities & exchanges

Equity swap

An equity swap is a financial derivative contract (a swap) where a set of future cash flows are agreed to be exchanged between two counterparties at set dates in the future. The two cash flows are usually referred to as "legs" of the swap; one of these "legs" is usually pegged to a floating rate such as LIBOR. This leg is also commonly referred to as the "floating leg". The other leg of

Finance

Equity-linked note

An equity-linked note (ELN) is a debt instrument, usually a bond issued by a financial institution such as an investment bank or a subsidiary of a commercial bank. ELNs are liabilities of the issuer, but the final payout to the investor is based on an unrelated company's stock price, a stock index or a group of stocks or stock indices. The underlying stocks typically have large market ca

Finance

Error account

An error account is a type of account used for storing compensation for errors in trading, a transaction that is not posted in a timely manner because of inconsistencies, such as an incorrect account or routing numbers to the wrong name on the account, producing a claim that needs to be resolved as soon as possible so payments can be made.

Trading basics

Etsy witches

Etsy witches is a colloquial term used to describe people who provide internet witchcraft services, particularly through online marketplaces such as Etsy or TikTok. Rooted in spiritualism, and similar in practice to psychics and mediums, Etsy Witches perform "metaphysical services", usually in exchange for a fee. Many practitioners purport adherence to neopagan witchcraft, often Wicca, a

Finance

Eurasian Development Bank

The Eurasian Development Bank (EDB) is an international multilateral financial organisation aiming to contribute to the formation and development of the market economy of the Bank's member countries, their economic growth and expansion of trade and economic ties between them through investment activities. The major share of projects in the EDB's portfolio: projects with an integration ef

Trading basics

Euribor

The Euro Interbank Offered Rate (trademarked as Euribor) is a daily reference rate, published by the European Money Markets Institute, based on the averaged interest rates at which Eurozone banks borrow unsecured funds from counterparties in the euro wholesale money market (before only in the interbank market). Prior to 2015, the rate was published by the European Banking Federation.

Fiat currencies

Euro Currency Index

The Euro Currency Index (EUR_I) represents the arithmetic mean of four major currencies against the Euro: the American dollar, British sterling, the Japanese yen and the Swiss franc. All ratios are expressed in units of currency per Euro. The index was launched in 2004 by the exchange portal Stooq.com. Underlying are 100 points on 4 January 1971. Before the introduction of the European s

Banking

Euro short-term rate

The Euro Short-Term Rate (€STR) is a reference rate for the euro. This interest rate can be used as the rate referenced in financial contracts that involve the euro. €STR is administered and calculated by the European Central Bank (ECB), based on the money market statistical reporting of the Eurosystem. According to the indications of the working group on euro risk-free rates, €STR repla

Finance

European Bank for Reconstruction and Development

The European Bank for Reconstruction and Development (EBRD; French: Banque européenne pour la reconstruction et le développement or BERD), is an international financial institution founded in 1991 in Paris. As a multilateral developmental investment bank, the EBRD uses investment as a tool to build market economies.

Trading basics

European Currency Unit

The European Currency Unit (French: Unité de compte européenne, Spanish: Unidad Monetaria Europea, German: Europäische Währungseinheit ; ⟨₠⟩, ECU, or XEU) was a unit of account used by the European Economic Community and composed of a basket of member country currencies. The ECU came in to operation on 13 March 1979 and was assigned the ISO 4217 code. The ECU replaced the European Unit o

Finance

European Union financial transaction tax

The European Union financial transaction tax (EU FTT) is a proposal made by the European Commission to introduce a financial transaction tax (FTT) within some of the member states of the European Union (EU).

Finance

European Union tax haven blacklist

The European Union tax haven blacklist, officially the EU list of non-cooperative tax jurisdictions, is a tool of the European Union (EU) that lists tax havens. It is used by the Member States to tackle external risks of tax abuse and unfair tax competition. It was adopted for the first time in 2017 as a response to tax avoidance in the EU, screening 92 countries. It is managed by the Co

Securities & exchanges

Event-driven investing

Event-driven investing or Event-driven trading is a broad term encompassing hedge fund investment strategies that seeks to exploit pricing inefficiencies that may occur before or after an event. Examples of such events could be an earnings call, bankruptcy, merger, acquisition, or spinoff. In more recent times market practitioners have expanded this definition to include additional event

Fiat currencies

Exchange rate

In finance, an exchange rate is the rate at which one currency will be exchanged for another currency. Currencies are most commonly national currencies, but may be sub-national as in the case of Hong Kong or supra-national as in the case of the euro.

Finance

Exercise (options)

The owner of an option contract has the right to exercise it, and thus require that the financial transaction specified by the contract is to be carried out immediately between the two parties, whereupon the option contract is terminated. When exercising a call option, the owner of the option purchases the underlying shares (or commodities, fixed interest securities, etc.) at the strike

Assets

Exit scam

An exit scam or rug pull is a confidence trick or fraud, perpetrated under the guise of a legitimate business, that ends when the originator absconds with the funds contributed by participants. When a business entity pulls the rug and stops shipping orders while receiving payment for new orders, it could take some time before it is widely recognized that orders are not shipping. The enti

Finance

Exotic option

In finance, an exotic option is an option which has features making it more complex than commonly traded vanilla options. Like the more general exotic derivatives they may have several triggers relating to determination of payoff. An exotic option may also include a non-standard underlying instrument, developed for a particular client or for a particular market. Exotic options are mor

Finance

Expected return

The expected return (or expected gain) on a financial investment is the expected value of its return (of the profit on the investment). It is a measure of the center of the distribution of the random variable that is the return. It is calculated by using the following formula:

Finance

Expert systems for mortgages

An expert system for mortgages is a computer program that contains the knowledge and analytical skills of human authorities, related to mortgage banking. Loan departments are interested in expert systems for mortgages because of the growing cost of labor which makes the handling and acceptance of relatively small loans less profitable. They also see in the application of expert systems a

Finance

Expiration (options)

In finance, the expiration date of an option contract (represented by Greek letter tau, τ) is the last date on which the holder of the option may exercise it according to its terms. In the case of options with "automatic exercise", the net value of the option is credited to the long and debited to the short position holders.

Trading basics

Fair Credit Reporting Act

The Fair Credit Reporting Act (FCRA), 15 U.S.C. § 1681 et seq., is federal legislation enacted to promote the accuracy, fairness, and privacy of consumer information contained in the files of consumer reporting agencies. It was intended to shield consumers from the willful or negligent inclusion of erroneous data in their credit reports. To that end, the FCRA regulates the collection, di

Finance

Fairmat

Fairmat is a free-of-charge multi-platform software that allows to model financial contracts (e.g. a derivative contract) or projects with many contingencies (e.g. a Real Options model) by decomposing it into basic parts. Complex structures and dependencies are modelled using a graphical interface. Virtually any pay-off function and asset class( from interest rate derivatives to equity-l

Trading basics

FatWallet

FatWallet was a comparison shopping website, centering on a set of forums that allowed users to publish deals and rebate offers on products and services, with computer-related products and electronics most prominent in the listings. It was headquartered in Beloit, Wisconsin, and ceased operation on October 9, 2017. In 2002, the site was involved in a legal dispute with several major reta

Trading basics

Federal funds

In the United States, federal funds are overnight borrowings between banks and other entities to maintain their bank reserves at the Federal Reserve. Banks keep reserves at Federal Reserve Banks to meet their reserve requirements and to clear financial transactions. Transactions in the federal funds market enable depository institutions with reserve balances in excess of reserve requirem

Trading basics

Fictitious capital

Fictitious capital (German: fiktives Kapital) is a concept used by Karl Marx in his critique of political economy. It is introduced in chapter 25 of the third volume of Capital. Fictitious capital contrasts with what Marx calls "real capital", which is capital actually invested in physical means of production and workers, and "money capital", which is actual funds being held. The market

Trading basics

Finance

Finance refers to the management, movement, investment, and raising of money.

Finance

Financial Action Task Force blacklist

The Financial Action Task Force blacklist (often abbreviated to FATF blacklist, and officially known as the "Call for action") is a blacklist maintained by the Financial Action Task Force.

Trading basics

Financial adviser

A financial adviser or financial advisor is a professional who provides financial services to clients based on their financial situation. In many countries, financial advisors must complete specific training and be registered with a regulatory body in order to provide advice.

Trading basics

Financial Conduct Authority

The Financial Conduct Authority (FCA) is a financial regulatory body in the United Kingdom. It operates independently of the UK Government and is financed by charging fees to members of the financial services industry. The FCA regulates financial firms providing services to consumers, and maintains the integrity of the financial markets in the United Kingdom.

Finance

Financial correlation

Financial correlations measure the relationship between the changes of two or more financial variables over time. For example, the prices of equity stocks and fixed interest bonds often move in opposite directions: when investors sell stocks, they often use the proceeds to buy bonds and vice versa. In this case, stock and bond prices are negatively correlated.

Finance

Financial engineering

Financial engineering is a multidisciplinary field involving financial theory, methods of engineering, tools of mathematics and the practice of programming. It has also been defined as the application of technical methods, especially from mathematical finance and computational finance, in the practice of finance.

Securities & exchanges

Financial innovation

Financial innovation is the act of creating new financial instruments as well as new financial technologies, institutions, and markets. Recent financial innovations include hedge funds, private equity, weather derivatives, retail-structured products, exchange-traded funds, multi-family offices, and Islamic bonds (Sukuk). The shadow banking system has spawned an array of financial innovat

Finance

Financial law

Financial law is the law and regulation of the commercial banking, capital markets, insurance, derivatives and investment management sectors. Understanding financial law is crucial to appreciating the creation and formation of banking and financial regulation, as well as the legal framework for finance generally.

Finance

Financial modeling

Financial modeling

Finance

Financial risk

Financial risk is any of various types of risk associated with financing, including financial transactions that include company loans in risk of default. Often it is understood to include only downside risk, meaning the potential for financial loss and uncertainty about its extent.

Finance

Financial Secrecy Index

The Financial Secrecy Index (FSI) is the report published by the advocacy organization Tax Justice Network (TJN) which ranks countries by financial secrecy indicators, weighted by the economic flows of each country.

Trading basics

Financial Secretary to the Treasury

The financial secretary to the Treasury is a mid-level ministerial post in HM Treasury. It is nominally the fifth–most significant ministerial role within the Treasury after the first lord of the Treasury, the chancellor of the Exchequer, the chief secretary to the Treasury, and the paymaster general. However, the role of First Lord of the Treasury is always held by the prime minister wh

Trading basics

Financial Services Authority

The Financial Services Authority (FSA) was a quasi-judicial body accountable for the regulation of the financial services industry in the United Kingdom between 2001 and 2013. It was founded as the Securities and Investments Board (SIB) in 1985. Its board was appointed by the Treasury, although it operated independently of government. It was structured as a company limited by guarantee a

Finance

Financial transaction tax

A financial transaction tax (FTT) is a levy on a specific type of financial transaction for a particular purpose. The tax has been most commonly associated with the financial sector for transactions involving intangible property rather than real property. It is not usually considered to include consumption taxes paid by consumers.

Finance

Finite difference methods for option pricing

Finite difference methods for option pricing are numerical methods used in mathematical finance for the valuation of options. Finite difference methods were first applied to option pricing by Eduardo Schwartz in 1977.

Fiat currencies

Fixed exchange rate

A fixed exchange rate, often called a pegged exchange rate or pegging, is a type of exchange rate regime in which a currency's value is fixed, or pegged, by a monetary authority against the value of another currency, a basket of other currencies, or another measure of value, such as gold or silver.

Finance

Fixed income arbitrage

Fixed-income arbitrage is a group of market-neutral-investment strategies that are designed to take advantage of differences in interest rates between varying fixed-income securities or contracts (Jefferson, 2007). Arbitrage in terms of investment strategy, involves buying securities on one market for immediate resale on another market in order to profit from a price discrepancy.

Trading basics

Fixed-income relative-value investing

Fixed-Income Relative-Value Investing (FI-RV) is a hedge fund investment strategy made popular by the failed hedge fund Long-Term Capital Management.

Finance

Flash crash

In modern finance, a flash crash is a very rapid, deep, and volatile fall in security prices occurring within a very short time period followed by a quick recovery. Flash crashes are frequently blamed by media on trades executed by black-box trading, combined with high-frequency trading, whose speed and interconnectedness can result in the loss and recovery of billions of dollars in a ma

Finance

Flight-to-quality

A flight-to-quality, or flight-to-safety, is a financial market phenomenon occurring when investors sell what they perceive to be higher-risk investments and purchase safer investments, such as gold and government bonds. This is considered a sign of fear in the marketplace, as investors seek less risk in exchange for lower profits.

Trading basics

Fobaproa

Fobaproa (from the Spanish: Fondo Bancario de Protección al Ahorro, lit. 'Savings Protection Banking Fund') was a contingencies fund created in 1990 by the Mexican government, led by then dominant Institutional Revolutionary Party (PRI), to attempt to resolve liquidity problems of the banking system. The contingencies fund was applied in 1995 during the Mexican peso crisis to protect Mex

Fiat currencies

Foreign exchange controls

Foreign exchange controls are various forms of controls imposed by a government on the purchase/sale of foreign currencies by residents, on the purchase/sale of local currency by nonresidents, or the transfers of any currency across national borders. These controls allow countries to better manage their economies by controlling the inflow and outflow of currency, which may otherwise crea

Fiat currencies

Foreign exchange derivative

A foreign exchange derivative is a financial contract whose value changes depending on currency exchange rates.

Fiat currencies

Foreign exchange fraud

Foreign exchange fraud is any trading scheme used to defraud traders by convincing them that they can expect to gain a high profit by trading in the foreign exchange market. Currency trading became a common form of fraud in early 2008, according to Michael Dunn of the U.S. Commodity Futures Trading Commission.

Fiat currencies

Foreign exchange option

In finance, a foreign exchange option (commonly shortened to just FX option or currency option) is a derivative financial instrument that gives the right but not the obligation to exchange money denominated in one currency into another currency at a pre-agreed exchange rate on a specified date. See Foreign exchange derivative.

Fiat currencies

Foreign exchange risk

Foreign exchange risk (also known as FX risk, exchange rate risk or currency risk) is a financial risk that exists when a financial transaction is denominated in a currency other than the domestic currency of the company. The exchange risk arises when there is a risk of an unfavourable change in exchange rate between the domestic currency and the denominated currency before the date when

Fiat currencies

Foreign exchange swap

In finance, a foreign exchange swap, forex swap, or FX swap is a simultaneous purchase and sale of identical amounts of one currency for another with two different value dates (normally spot to forward) and may use foreign exchange derivatives. An FX swap allows sums of a certain currency to be used to fund charges designated in another currency without acquiring foreign exchange risk. I

Trading basics

Foreign ownership of companies of Canada

Foreign ownership of companies of Canada pertains to the majority-ownership of Canadian-based assets (including businesses and subsidiaries) by non-Canadian individuals or companies, as well as to companies that are effectively owned or controlled, directly or indirectly, by non-Canadians. "Non-Canadian," for all intents and purposes, refers to entities based outside Canada and to those

Securities & exchanges

Forward contract

In finance, a forward contract, or simply a forward, is a non-standardized contract between two parties to buy or sell an asset at a specified future time at a price agreed on in the contract, making it a type of derivative instrument. The party agreeing to buy the underlying asset in the future assumes a long position, and the party agreeing to sell the asset in the future assumes a sh

Securities & exchanges

Forward price

The forward price (or sometimes forward rate) is the agreed upon price of an asset in a forward contract. Using the rational pricing assumption, for a forward contract on an underlying asset that is tradeable, the forward price can be expressed in terms of the spot price and any dividends. For forwards on non-tradeables, pricing the forward may be a complex task.

Securities & exchanges

Forward rate agreement

In finance, a forward rate agreement (FRA) is an interest rate derivative (IRD). In particular, it is a linear IRD with strong associations with interest rate swaps (IRSs).

Securities & exchanges

Front running

Front running, also known as tailgating, is the practice of entering into an equity (stock) trade, option, futures contract, derivative, or security-based swap to capitalize on advance, nonpublic knowledge of a large ("block") pending transaction that will influence the price of the underlying security. In essence, it means the use of knowledge of an impending trade to engage in a person

Securities & exchanges

FTSE MTIRS Index

The FTSE MTIRS Indices are designed to accurately move in direct correlation to OTC Interest Rate Swaps market with a total of 45 indices covering the USD curve from 2 years to 30 years including spreads and butterflies. FTSE MTIRS Indices account for changes to both fixed and floating rates and are rebalanced daily.

Assets

FTX

FTX Trading Ltd., trading as FTX (Futures Exchange), is a bankrupt company that formerly operated a cryptocurrency exchange and crypto hedge fund. The exchange was founded in 2019 by Sam Bankman-Fried and Gary Wang and collapsed in 2022.

Securities & exchanges

Fund derivative

A fund derivative (see also derivative) is a financial structured product related to a fund, normally using the underlying fund to determine the payoff. This may be a private equity fund, mutual fund or hedge fund. Purchasers obtain exposure to the underlying fund (or funds) whilst improving their risk profile over a direct investment.

Finance

Fund governance

Fund governance refers to a system of checks and balances and work performed by the governing body (board) of an investment fund to ensure that the fund is operated not only in accordance with law, but also in the best interests of the fund and its investors. The objective of fund governance is to uphold the regulatory principles commonly known as the four pillars of investor protection

Trading basics

Fund of funds

A "fund of funds" (FOF) is an investment strategy of holding a portfolio of other investment funds rather than investing directly in stocks, bonds or other securities. This type of investing is often referred to as multi-manager investment. A fund of funds may be "fettered", meaning that it invests only in funds managed by the same investment company, or "unfettered", meaning that it can

Finance

Fundamental theorem of asset pricing

The fundamental theorems of asset pricing (also: of arbitrage, of finance), in both financial economics and mathematical finance, provide necessary and sufficient conditions for a market to be arbitrage-free, and for a market to be complete. An arbitrage opportunity is a way of making money with no initial investment without any possibility of loss. Though arbitrage opportunities do exis

Fiat currencies

Funnyback

A Funnyback is a type of one-dollar silver certificate produced in 1928 and 1934 in the United States. People referred to the note as a "Funnyback" based on the significantly lighter green ink and unusual font printed on the reverse.

Securities & exchanges

Futures contract

In finance, a futures contract (often just called a future) is a standardized legal contract to buy or sell something at a predetermined price for delivery at a specified time in the future, between parties not yet known to each other. The item transacted is usually a commodity or financial instrument. The predetermined price of the contract is known as the forward price or delivery pric

Assets

Galaxy Digital (company)

Galaxy Digital Inc., doing business as Galaxy, is an American financial services and infrastructure company headquartered in New York City. The company focuses on digital assets, cryptocurrency, blockchain infrastructure, and artificial intelligence and high-performance computing data center infrastructure. Its digital asset businesses include over-the-counter trading, lending, investmen

Finance

GameStop short squeeze

In January 2021, a short squeeze of the stock of the American video game retailer GameStop and other securities took place, causing major financial consequences for certain hedge funds and large losses for short sellers. Approximately 140 percent of GameStop's public float had been sold short, and the rush to buy shares to cover those positions as the price rose caused it to rise even fu

Finance

Genpact

Genpact Ltd. is an American information technology services, consulting, and outsourcing company headquartered in New York City, New York. Founded in Gurgaon, India, and legally domiciled in Bermuda, Genpact employs more than 125,000 people and provides services to clients in over 30 countries worldwide. Genpact is listed on the NYSE and generated revenues of US$5.08 billion in 2025.

Securities & exchanges

Gibraltar Stock Exchange

The Gibraltar Stock Exchange (GSX) was a stock exchange based in Gibraltar, a British overseas territory. until its closure in 2023.

Banking

Giovanni Villani

Giovanni Villani (Italian pronunciation: [dʒoˈvanni vilˈlaːni]; c. 1276 or 1280 – 1348) was an Italian banker, official, diplomat and chronicler from Florence who wrote the Nuova Cronica (New Chronicles) on the history of Florence. He was a leading statesman of Florence but later gained an unsavoury reputation and served time in prison as a result of the bankruptcy of a trading and banki

Finance

Girsanov theorem

In probability theory, Girsanov's theorem or the Cameron-Martin-Girsanov theorem explains how stochastic processes change under changes in measure.

Trading basics

Gladstone (cat)

Gladstone (born c. December 2014) is a cat who was the resident chief mouser to HM Treasury in Whitehall, London. He is a black domestic short-haired cat, who, at eighteen months old, assumed the position of chief mouser in late June 2016, a position which he served until December 2019. Gladstone's political namesake is former Chancellor and Prime Minister William Ewart Gladstone, who se

Finance

Global assets under management

In finance, global assets under management consists of assets held by institutional investors and individual investors around the world. For example, these institutional investors include asset management firms, pension funds, endowments, foundations, sovereign wealth funds, hedge funds, and private equity funds. In contrast, individual investors include ultra high-net-worth individuals

Finance

Global financial system

The global financial system is the worldwide framework of legal agreements, institutions, and both formal and informal economic action that together facilitate international flows of financial capital for purposes of investment and trade financing. Since emerging in the late 19th century during the first modern wave of economic globalization, its evolution is marked by the establishment

Trading basics

Global macro trading

Global macro trading is an investment strategy that leverages macroeconomic and geopolitical data to analyze and predict moves in financial markets. Large-scale or "macro" political and economic events can disproportionately impact certain sectors, such as the energy, commodity, and currency markets, over others. The strategy typically employs forecasts and analysis of interest rate tren

Finance

GoAML

goAML system is a software solution that has been developed in a manner to incorporate a set of processes and analyze reports about potential suspicious transactions and to classify financial transactions of any type. It is designed as a robust mechanism to capture automated data collection, document management, workflow, and statistical requirements conveniently for the decision-making

Banking

Gold standard

A gold standard is a monetary system in which the standard economic unit of account is defined by a fixed quantity of gold. The gold standard was the basis for the international monetary system from the 1870s to the early 1920s, and from the late 1920s to 1932 as well as from 1944 until 1971, when the United States unilaterally terminated convertibility of the US dollar into gold, effect

Banking

Goldsmith

A goldsmith is a metalworker who specializes in working with gold and other precious metals. Modern goldsmiths mainly specialize in jewelry-making but historically, they have also made silverware, platters, goblets, decorative and serviceable utensils, and ceremonial or religious items.

Assets

Grams (search)

Grams was a search engine for Tor based darknet markets launched in April 2014, and closed in December 2017. The service allowed users to search multiple darknet markets for products like drugs and guns from a simple search interface, and also provided the capability for its users to hide their transactions through its bitcoin tumbler Helix.

Trading basics

Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp.

Great Atlantic & Pacific Tea Co. v. Supermarket Equipment Corp., 340 U.S. 147 (1950), is a patent case decided by the United States Supreme Court. The Court held that a patent for a cashier's counter and movable frame for grocery stores was invalid because it was a combination of known elements that added nothing new to the total stock of knowledge.

Trading basics

Greater Manchester congestion charge

The Greater Manchester congestion charge was part of a bid to the government's Transport Innovation Fund for a £3-billion package of transport funding and the introduction of a road congestion charge for Greater Manchester, a metropolitan county in North West England. In 2008, two cordons were proposed—the outer encircling the main urban core of the Greater Manchester Urban Area and the

Finance

Greeks (finance)

In mathematical finance, the Greeks are the quantities (known in calculus as partial derivatives; first-order or higher) representing the sensitivity of the price of a derivative instrument, such as an option or future, to changes in one or more underlying parameters on which the value of an instrument or portfolio of financial instruments is dependent. The name is used because the most

Finance

Greenspan put

The Greenspan put was a monetary policy that Alan Greenspan, during his tenure as chair of the Federal Reserve, exercised in response to financial crises. It was used for the first time with the crash of 1987. Though it was successful in addressing various crises, it became controversial as it led to periods of extreme speculation led by Wall Street investment banks overusing the put's r

Finance

Growth Enterprise Market

Growth Enterprise Market (GEM; Chinese: 創業板) is a board of the Stock Exchange of Hong Kong for growth companies that do not fulfill the requirements of profitability or track record for the main board of the exchange. Opened 1999.

Fiat currencies

Hard currency

In macroeconomics, hard currency, sound money, safe-haven currency, or strong currency is any globally traded currency that serves as a reliable and stable store of value. Factors contributing to a currency's hard status might include its historical use as a money (such as gold or silver), or if it is a fiat currency, the stability and reliability of the respective state's legal and bure

Payments & settlement

Hawala

Hawala or hewala (Arabic: حِوالة, romanized: Ḥawāla, lit. 'transfer, trust'), originating in India as havālā (Hindi: हवाला) or huṇḍī (Hindi: हुण्डी, romanized: Huṇḍī, Sanskrit: हुण्डिका, romanized: Huṇḍikā, lit. 'bill of exchange, draft, or promissory note'), also known as ḥavâleh in Persian, and xawala or xawilaad in Somali, is a popular and informal value transfer system based on the p

Finance

Hawkes process

In probability theory and statistics, a Hawkes process is an age-dependent branching process driven by immigration from an inhomogeneous Poisson process. The process, named after Alan G. Hawkes, is also called a self-exciting point process., i.e., the occurrence of an event increases the likelihood of another event occurring. It has arrivals at times

Finance

Hazell v Hammersmith and Fulham LBC

Hazell v Hammersmith and Fulham LBC [1992] 2 AC 1 is an English administrative law case, which declared that local authorities had no power to engage in interest rate swap agreements because they were beyond the council's borrowing powers, and that all the contracts were void. Their actions were held to contravene the Local Government Act 1972.

Finance

Heath–Jarrow–Morton framework

The Heath–Jarrow–Morton (HJM) framework is a general framework to model the evolution of interest rate curves – instantaneous forward rate curves in particular (as opposed to simple forward rates). When the volatility and drift of the instantaneous forward rate are assumed to be deterministic, this is known as the Gaussian Heath–Jarrow–Morton (HJM) model of forward rates. For direct mode

Securities & exchanges

Hedge (finance)

A hedge is an investment position intended to offset potential losses or gains that may be incurred by a companion investment. A hedge can be constructed from many types of financial instruments, including stocks, exchange-traded funds, insurance, forward contracts, swaps, options, gambles, many types of over-the-counter and derivative products, and futures contracts.