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In modern portfolio theory, the efficient frontier (or portfolio frontier) is an investment portfolio which occupies the "efficient" parts of the risk–return spectrum.

Electronic billing or electronic bill payment and presentment, is when a seller such as company, organization, or group sends its bills or invoices over the internet, and customers pay the bills electronically. This replaces the traditional method where invoices are sent in paper form and payments are done by manual means such as sending cheques.

Electronic business (also known as online business or e-business) is any kind of business or commercial activity that includes sharing information across the internet. Commerce constitutes the exchange of products and services between businesses, groups, and individuals; and can be seen as one of the essential activities of any business.

An electronic communication network (ECN) is a type of computerized forum or network that facilitates the trading of financial products outside traditional stock exchanges. An ECN is generally an electronic system accessed by an electronic trading platform that widely disseminates orders entered by market makers to third parties and permits the orders to be executed against them in whole

Electronic funds transfer (EFT) is the transfer of money from one bank account to another, either within a single financial institution or across multiple institutions, via computer-based systems.

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.

Electronic toll collection (ETC) is a wireless system to automatically collect the usage fee or toll charged to vehicles using toll roads, HOV lanes, toll bridges, and toll tunnels. It is a faster alternative which is replacing toll houses and tollbooths, where vehicles must stop and the driver manually pays the toll with cash or a card. In most cases, vehicles using the system are equip

Elevance Health, Inc. is an American health insurance company. Prior to June 2022, Elevance Health was named Anthem, Inc. The company is the world's seventh largest healthcare company based on revenue. Its services include medical, pharmaceutical, dental, behavioral health, long-term care, and disability plans through affiliated companies such as Anthem Blue Cross and Blue Shield, Anthem

"Embrace, extend, and extinguish" (EEE), also known as "embrace, extend, and exterminate", is a phrase that the U.S. Department of Justice found to have been used internally by Microsoft to describe its strategy for entering product categories involving widely used open standards, extending those standards with proprietary capabilities, and using the differences to strongly disadvantage

Emmanuel Lemelson (born Gregory Manoli Lemelson) is an American-born Greek Orthodox priest, social commentator and hedge fund manager.

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

Equiti Group is a fintech group headquartered in Dubai, United Arab Emirates, providing online trading technology and multi-asset financial products through a network of regulated brokerage entities. The group was established in 2017 and operates across the Middle East, Africa, Europe, and Asia. Iskandar Najjar is the group's co-founder and chief executive officer.

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.

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

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

Eroski is a Spanish supermarket chain headquartered in Elorrio, Basque Country. It is run as a worker-consumer hybrid co-operative within the Mondragón Corporation group, with nearly 1,000 outlets spread across Spain (excluding franchises). The establishments vary in size from the largest hypermarkets, simply named 'Eroski' (of which there are 75 stores, including 40 with petrol stations

Ethereum is a public blockchain that runs smart contracts, and ETH (Ether) is its native asset. This article introduces its positioning, mechanisms, verification guidelines, and common misconceptions.

Ethereum Classic is a blockchain-based distributed computing platform that offers smart contract (scripting) functionality. Ethereum Classic was created in a hard fork with the mainline Ethereum blockchain, and maintains the original, unaltered ledger prior to the attempt to reverse a hacking attack on the Ethereum-based DAO in July 2016. It is now the largest smart contract platform sec

The international currency code for the Euro is EUR, with the symbol €. This article introduces its positioning, mechanism, usage verification, and common misconceptions.

The Eurocheque was a type of cheque used in Europe that was accepted across national borders and which could be written in a variety of currencies.

The European Banking Authority (EBA) is an independent EU agency responsible for developing regulatory standards and promoting supervisory convergence across the EU banking and financial sector. According to its founding regulation, the EBA is tasked with promoting supervisory convergence and protecting consumers throughout the EU. The Authority plays a central role in EU-wide bank stres

Examinership is a process in Irish law whereby the protection of the Court is obtained to assist the survival of a company. It allows a company to restructure with the approval of the High Court.

An exchange, bourse (), trading exchange or trading venue is an organized market where people can buy and sell financial instruments, such as tradable securities, commodities, foreign exchange and derivative contracts.

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.

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

In macroeconomics, a flexible exchange-rate system is a monetary system that allows the exchange rate to be determined by supply and demand.

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

An exit fare is a method of collecting ridership fees, or fares, from a transportation system, where the fee (or part of the fee) is collected from passengers upon reaching their destination.

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

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.

A family office is a privately held company that handles investment management and wealth management for a wealthy family with the goal being to effectively grow and transfer wealth across generations. The company's financial capital is the family's own wealth.

A fare is the fee paid by a passenger for use of the public transport system: rail, bus, taxi, etc. In the case of air transport, the term airfare is often used. Fare structure is the system set up to determine how much is to be paid by various passengers using a transit vehicle at any given time. A linked trip is a trip from the origin to the destination on the transit system. Even if a

Fare capping is a feature of public transport fare collection systems, which allows passengers to earn an unlimited-ride pass by paying single-ride fares. Typically, passengers pay a single-ride fare each time they use public transport, using a smart card or, in some cases, their own credit or debit card. An automated fare collection system tracks the payments, and awards the passenger a

Fazoli's System Management, LLC., or Fazoli's is an American quick-service restaurant chain specializing in Italian-American cuisine. Founded in 1988 in Lexington, Kentucky, the company owns and operates 137 restaurants across 24 states in the United States, with additional locations in Canada, and Puerto Rico. Its menu includes pasta dishes, sandwiches, pizza, salads, desserts, and brea

fDi Intelligence is an English-language bi-monthly news and foreign direct investment (FDI) publication, providing an up-to-date review of global investment activity. The A4 glossy pages reach a circulation of 15,488 ABC audited, active corporate and crossborder investment professionals across the world.

The "Fed model", or "Fed Stock Valuation Model" (FSVM), is a disputed theory of equity valuation that compares the stock market's forward earnings yield to the nominal yield on long-term government bonds, and that the stock market – as a whole – is fairly valued, when the one-year forward-looking I/B/E/S earnings yield equals the 10-year nominal Treasury yield; deviations suggest over-or

The Federation of Euro-Asian Stock Exchanges (FEAS) is a non-profit international organization comprising the main stock exchanges in Eastern Europe, the Middle East, and Central Asia. The purpose of the Federation is to contribute to the cooperation, development, support and promotion of capital markets in Eurasia, although membership in the Federation is open to markets internationally

Financial distress is a term in corporate finance used to indicate a condition when promises to creditors of a company are broken or honored with difficulty. If financial distress cannot be relieved, it can lead to bankruptcy. Financial distress is usually associated with some costs to the company; these are known as costs of financial distress.

A financial instrument is a monetary contract between parties. They can be created, traded, modified and settled. They can be cash (currency), evidence of an ownership interest in an entity or a contractual right to receive or deliver in the form of currency (forex); debt (bonds, loans); equity (shares); or derivatives (options, futures, forwards).

Financial market infrastructure refers to systems and entities involved in clearing, settlement, and the recording of payments, securities, derivatives, and other financial transactions. Depending on context, financial market infrastructure may refer to the category in general, or to individual companies or entities (thus also used in plural: financial market infrastructures).

There are two basic financial market participant distinctions, investors versus speculators and institutional versus retail. Action in financial markets by central banks is usually regarded as intervention rather than participation.

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.

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.

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.

In finance, a floating charge is a security interest over a fund of changing assets of a company or other legal person. Unlike a fixed charge, which is created over ascertained and definite property, a floating charge is created over property of an ambulatory and shifting nature, such as receivables and stock.

In macroeconomics and economic policy, a floating exchange rate (also known as a fluctuating or flexible exchange rate) is a type of exchange rate regime in which a currency's value is allowed to fluctuate in response to international events affecting exchange rates. A currency that uses a floating exchange rate is known as a floating currency. In contrast, a fixed currency is one where

A floor trader is a member of a stock or commodities exchange who trades on the floor of that exchange for their own account. The floor trader must abide by trading rules similar to those of the exchange specialists who trade on behalf of others. The term should not be confused with floor broker.

FTD LLC also known as Florists' Transworld Delivery, is a floral wire service, retailer, and wholesaler based in Downers Grove, Illinois, in the United States.

Flying Tiger Copenhagen (formerly Tiger until 2016) is a Danish variety store chain. Its first shop opened in Copenhagen in 1995, and the chain now (as of 2026) operates +1,100 shops across 46 countries. Flying Tiger's name derives from similarities between the Danish pronunciation of the animal name tiger (IPA: [ˈtsʰiːɐ]) and the Danish word tier (IPA: [ˈtsʰiˀɐ]), used to denote a 10 kr

A focus group is a group interview involving a small number (sometimes up to twelve) of demographically predefined participants. Their reactions to specific researcher/evaluator-posed questions are studied. Focus groups are used in market research to better understand people's reactions to products or services or participants' perceptions of shared experiences. The discussions can be gui

The United States food and beverage industry has increased the amount of advertising that intensively and aggressively targets children through multiple channels. Food marketers know that youth consumers have equal if not more spending power than adults, they hold purchasing influence, and have the potential to be lifelong consumers. The advertisements for products predominantly high in

Food prices refer to the average price level for food across countries, regions and on a global scale. Food prices affect producers and consumers of food. Price levels depend on the food production process, including food marketing and food distribution. Fluctuation in food prices is determined by a number of compounding factors. Geopolitical events, global demand, exchange rates, govern

Forcepoint is an American multinational corporation software company headquartered in Austin, Texas, that develops computer security software and data protection, cloud access security broker, firewall and cross-domain solutions.

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

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

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.

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.

A foreign exchange spot transaction (FX spot) is an agreement between two parties to buy one currency against selling another currency at an agreed price for settlement on the spot date. The exchange rate at which the transaction is done is called the spot exchange rate. As of 2010, the average daily turnover of global FX spot transactions reached nearly US$1.5 trillion, counting 37.4% o

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.

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).

A fraudulent conveyance or fraudulent transfer is the transfer of property to another party to prevent, hinder, or delay the collection of a debt owed by or incumbent on the party making the transfer, sometimes by rendering the transferring party insolvent. It is generally treated as a civil cause of action that arises in debtor/creditor relations, typically brought by creditors or by ba

In company law, fraudulent trading is doing business with intent to defraud creditors.

The Freedman's Bank Building, previously known as the Treasury Annex, is a historic office building located on the corner of Madison Place and Pennsylvania Avenue NW in Washington, D.C. It sits on the east side of Lafayette Square, a public park on the north side of the White House, and across from the Treasury Building. The adjoining properties include the Howard T. Markey National Cour

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.

The Fuld-Gilad-Herring Academy of Competitive Intelligence is an educational organization bringing professional training to the field of competitive intelligence (CI). Established in 1996, the academy has expanded its training to thousands of managers from 58 countries and six continents at its campuses in Cambridge, MA and Brussels, Belgium. The academy is the only CI-dedicated institut

Full-reserve banking (also known as 100% reserve banking) is a system of banking where banks do not lend demand deposits and instead only lend from time deposits. It differs from fractional-reserve banking, in which banks may lend funds on deposit, while fully reserved banks would be required to keep the full amount of each customer's demand deposits in cash, available for immediate with

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.

Fundamental analysis, in accounting and finance, is the analysis of a business's financial statements (usually to analyze the business's assets, liabilities, and earnings); health; competitors and markets. It also considers the overall state of the economy and factors including interest rates, production, earnings, employment, GDP, housing, manufacturing and management. There are two bas

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

Gender in advertising refers to the images and concepts in advertising that depict and reinforce stereotypical gender roles. Advertisements containing subliminal or direct messages about physical attractiveness and beauty have been of particular interest regarding their impact on men, women, and youth. Gendered advertisements have and continue to shape what is expected of a distinct gend

The gender pension gap (also known as the sex pension gap) is the percentage difference in pension income between women and men. It is often calculated as the difference between the average man's pension and the average woman's pension, expressed as a percentage of the man's. The gap averages 26% across OECD countries.

On the founding of the German Empire in 1871, trade and transport was hampered by the existence of eight different currency systems across the various member states of the Empire. There were eight state currencies whose coins included the Thaler, Vereinsthaler, Konventionsthaler, Kreuzer, Heller, Groschen, Silbergroschen, Neugroschen, Gulden, Konventionsgulden, Schilling, Mark, Pfennig,

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

A giro transfer, often shortened to giro (), is a payment transfer between current bank accounts and initiated by the payer, not the payee. The debit card has a similar model. Giros are primarily used in Europe; although electronic payment systems exist in the United States (e.g., the Automated Clearing House), it is not possible to perform third-party transfers with them. In the Europea

Global Infrastructure Partners, LLC (GIP) is an American infrastructure investment fund making equity and selected debt investments across markets worldwide. GIP's main headquarters are located in New York City, U.S. and its equity investments are based on infrastructure assets in the energy, transport and water & waste sectors. GIP employs approximately 150 investment and operational pr

In business and finance, a golden share is a type of share of stock that lets its owner outvote all other shareholders in certain circumstances. Golden shares often belong to the government when a government-owned company is undergoing the process of privatization and transformation into a stock company.

GoodLeap, formerly Loanpal, is a U.S.-based financing company headquartered in Roseville, CA that provides financing options for residential solar energy and other sustainable home improvements. It has facilitated over $30 billion in loans to more than 1 million homeowners across 50 states as of 2025.

GoTo Technologies USA, Inc., formerly LogMeIn Inc., is a software as a service (SaaS) company that provides unified communication and IT management software. The company was founded in 2003, and is based in Boston, Massachusetts. On February 2, 2022, the company was rebranded from LogMeIn to GoTo.

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

Grey, formerly known as Aboki Africa, is a financial technology company headquartered in Delaware, US. Founded in 2020 by Idorenyin Obong and Femi Aghedo during the global pandemic of 2020, the company focuses on creating global financial products for digital nomads. Grey is registered and licensed in Canada by FinTrac and the USA by FinCen and operates in the financial service 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.

Growth hacking is a subfield of marketing focused on the rapid growth of a company. It is referred to as both a process and a set of cross-disciplinary (digital) skills. The goal is to regularly conduct experiments, which can include A/B testing, that will lead to improving the customer journey, and replicate and scale the ideas that work and modify or abandon the ones that do not, befor

In finance, a growth stock is a stock of a company that generates substantial and sustainable positive cash flow and whose revenues and earnings are expected to increase at a faster rate than the average company within the same industry. A growth company typically has some sort of competitive advantage (a new product, a breakthrough patent, overseas expansion) that allows it to fend off

Guitar Center, Inc. is an American musical instrument retailer chain headquartered in Westlake Village, California. It operates 304 locations and is the largest company of its kind in the United States.

The Convention on the law applicable to certain rights in respect of securities held with an intermediary, or Hague Securities Convention is an international multilateral treaty intended to remove, globally, legal uncertainties for cross-border securities transactions. The Convention was drafted under the auspices of the Hague Conference on Private International Law, which as resulted in

In finance, a haircut is the difference between the current market value of an asset and the value ascribed to that asset for purposes of calculating regulatory capital or loan collateral. The amount of the haircut reflects the perceived risk of the asset falling in value in an immediate cash sale or liquidation. The larger the risk or volatility of the asset price, the larger the haircu

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

Harold Clark Simmons (May 13, 1931 – December 29, 2013) was an American businessman, investor, and philanthropist whose banking expertise helped him develop the acquisition concept known as the leveraged buyout (LBO) to acquire various corporations. He was the owner of Contran Corporation and of Valhi, Inc., (a NYSE traded company about 90% controlled by Contran). As of 2006, he controll

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

Health Net, LLC a subsidiary of Centene, is an American health care insurance provider. Health Net and its subsidiaries provide health plans for individuals, families, businesses and people with Medicare and Medicaid, as well as commercial, small business, and affordable care insurance.

Highmark Inc is an American nonprofit healthcare company and integrated delivery network based in Pittsburgh. It is a large individual health insurer in the United States, which operates several nonprofit and for-profit subsidiaries.

The term "bank" is attributed to the tables used by "trapezitai", ancient Greek bankers, which provided currency exchange, money storage and loan services, facilitating trade. (See main article: History of Banking)

The history of coins stretches back to the first millennium BC/BCE. Notable early examples of coins include the Lydian lion coins, Persian daric and siglos, Tong Bei, the dirham and gold dinar.

Credit unions are not-for-profit financial cooperatives. In the early stages of development of a nation's financial system, unserved and underserved populations had to rely on risky and expensive informal financial services from sources like money lenders, ROSCAs and saving at home. Credit unions proved they could meet demand for financial services that banks could not: from professio

The history of the cooperative movement concerns the origins and history of cooperatives across the world. Although cooperative arrangements, such as mutual insurance, and principles of cooperation existed long before, the cooperative movement began with the application of cooperative principles to business organization.

HKeToll (Chinese: 易通行) is a free-flow tolling system owned by the Transport Department in Hong Kong. It is operated by Autotoll Limited. The system has been gradually put into use in various government-owned tunnels in Hong Kong to replace traditional toll booths and Autotoll from May 2023 onward.

Hollywood accounting (also known as Hollywood bookkeeping) is the opaque or "creative" set of accounting methods used by the film, video, television and music industry to budget and record profits for creative projects. Expenditures can be inflated to reduce or eliminate the reported profit of the project, thereby reducing the amount which the corporation must pay in taxes and royalties

Hong Kong Exchanges and Clearing Limited (HKEX; Chinese: 香港交易及結算所有限公司; pinyin: Xiānggǎng jiāoyì jí jiésuàn suǒyǒu xiàn gōngsī) operates a range of equity, commodity, fixed income and currency markets through its wholly owned subsidiaries The Stock Exchange of Hong Kong Limited (SEHK), Hong Kong Futures Exchange Limited (HKFE) and London Metal Exchange (LME).

Hong Kong Mercantile Exchange (Chinese: 香港商品交易所; abbreviated as HKMEx) was an electronic commodities exchange established in Hong Kong for the trading of commodity futures, options and other financial derivatives. The exchange was originally pitched as a platform to trade oil futures. In fact, it ended up trading mainly silver and gold futures.

The Hope Now Alliance is a cooperative effort between the US government, counselors, investors, and lenders to help homeowners who may not be able to pay their mortgages. Created in 2007 in response to the subprime mortgage crisis, the alliance claims to have helped over 1 million homeowners avoid foreclosure through January 2008. Critics of the alliance contend that the assistance pro