Industry WIKI

In actuarial science and applied probability, ruin theory (sometimes risk theory or collective risk theory) uses mathematical models to describe an insurer's vulnerability to insolvency/ruin. In such models key quantities of interest are the probability of ruin, distribution of surplus immediately prior to ruin, and deficit at time of ruin.

SafeMoon LLC was an American cryptocurrency and blockchain company created in March 2021. The company created the SafeMoon token (SFM) which traded on the BNB Chain blockchain. The token charged a 10% fee on transactions, with 5% redistributed (or reflected) to token holders and 5% directed to wallets in a different currency, Binance Coin (BNB), controlled by the coin's authors. The toke

Saffron is one of the world's most expensive spices by weight due to its difficulty to harvest. Saffron consists of stigmas plucked from the vegetatively propagated and sterile Crocus sativus, known popularly as the saffron crocus. The resulting dried "threads" are distinguished by their bitter taste, hay-like fragrance, and slight metallic notes. The saffron crocus is unknown in the wil

Saxo Bank is a Danish investment bank specialising in online trading and investment. It provides access to financial instruments, including Forex, stocks, CFDs, futures, funds, bonds and futures spreads through its SaxoInvestor and SaxoTrader platforms.

School choice is a term for education options that allow students and families to select alternatives to traditional public schools. It is the subject of fierce debate in various state legislatures across the United States.

The vast majority of all second lien loans are senior secured obligations of the borrower. Second lien loans differ from both unsecured debt and subordinated debt.

A seeding trial or marketing trial is a form of marketing, conducted in the name of research, designed to target product sampling towards selected consumers. In the marketing research field, seeding is the process of allocating marketing to specific customers, or groups of customers, in order to stimulate the internal dynamics of the market, and enhance the diffusion process. In medicine

A segregated portfolio company (or SPC), sometimes referred to as a protected cell company, is a company which segregates the assets and liabilities of different classes (or sometimes series) of shares from each other and from the general assets of the SPC.

A self-invested personal pension (SIPP) is the name given to the type of UK government-registered personal pension scheme which allows individuals to make their own investment decisions from a wide range of investments by HM Revenue and Customs (HMRC).

Services marketing is a specialized branch of marketing which emerged as a separate field of study in the early 1980s, following the recognition that the unique characteristics of services required different strategies compared with the marketing of physical goods.

Sex differences in social capital are debated differences between men and women's ability to achieve their aims through social constructs such as trust, norms and networks. Social capital is often seen as the missing link in development. Social networks facilitate access to resources and protect the commons, whilst co-operation makes markets work more efficiently. Social capital has been

Shape risk in finance is a type of basis risk when hedging a load profile with standard hedging products having a lower granularity. In other words, a commodity supplier wants to pre-purchase supplies for expected demand, but can only buy in fixed amounts that are bigger or smaller than the demand forecasted. This means it has to either over order or under order and make up the differe

In finance, a share class or share classification are different types of shares in company share capital that have different levels of voting rights. For example, a company might create two classes of shares class A share and a class B share where the class A shares have fewer rights than class B shareholders. This may be done to maintain control of a company by a group of shareholders o

Sharia and securities trading is the impact of conventional financial markets activity for those following the Islamic religion and particularly sharia law. Sharia practices ban riba (earning interest) and involvement in haram. It also forbids gambling (maisir) and excessive risk (bayu al-gharar). This, however has not stopped some in Islamic finance industry from using some of these ins

In finance, the Sharpe ratio (also known as the Sharpe index, the Sharpe measure, and the reward-to-variability ratio) measures the performance of an investment such as a security or portfolio compared to a risk-free asset, after adjusting for its risk. It is defined as the difference between the returns of the investment and the risk-free return, divided by the standard deviation of the

A short-rate model, in the context of interest rate derivatives, is a mathematical model that describes the future evolution of interest rates by describing the future evolution of the short rate, usually written

Single-price auctions are a pricing method in securities auctions that give all purchasers of an issue the same purchase price. They can be perceived as modified Dutch auctions. This method has been used since 1992 when it debuted as an experiment of the U.S. Treasury for all auctions of 2-year and 5-year notes. There is only one main difference between the multiple-price system and the

In finance, a single-stock future (SSF) is a type of futures contract between two parties to exchange a specified number of stocks in a company for a price agreed today (the futures price or the strike price) with delivery occurring at a specified future date, the delivery date. The contracts can be later traded on a futures exchange.

In finance and the stock market, slippage is the difference between the execution price expected by the trader (usually the one indicated by the trading software) and the one at which the transaction actually happens. Market impact, liquidity, and frictional costs may contribute to slippage.

The snake in the tunnel was a system of European monetary cooperation in the 1970s which aimed at limiting fluctuations between different European currencies. It was the first attempt at European monetary cooperation. It attempted to create a single currency band for the European Economic Community (EEC), essentially pegging all the EEC currencies to one another.

The Snell envelope, used in stochastics and mathematical finance, is the smallest supermartingale dominating a stochastic process. The Snell envelope is named after James Laurie Snell.

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

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

A split capital investment trust (split) is a type of investment trust which issues different classes of share to give the investor a choice of shares to match their needs. Most splits have a limited life determined at launch known as the wind-up date. Typically the life of a split capital trust is five to ten years.

In finance, a spot contract, spot transaction, or simply spot, is a contract of buying or selling a commodity, security or currency for immediate settlement (payment and delivery) on the spot date, which is normally two business days after the trade date. The settlement price (or rate) is called spot price (or spot rate). A spot contract is in contrast with a forward contract or futures

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

In finance, a spread trade (also known as a relative value trade) is the simultaneous purchase of one security and sale of a related security, called legs, as a unit. Spread trades are usually executed with options or futures contracts as the legs, but other securities are sometimes used. They are executed to yield an overall net position whose value, called the spread, depends on the di

Stochastic calculus is a branch of mathematics that operates on stochastic processes. It allows a consistent theory of integration to be defined for integrals of stochastic processes with respect to stochastic processes. This field was created and started by the Japanese mathematician Kiyosi Itô during World War II.

A stochastic differential equation (SDE) is a differential equation in which one or more of the terms is a stochastic process, resulting in a solution which is also a stochastic process. SDEs have many applications throughout pure mathematics and are used to model various behaviours of stochastic models such as prices of listed company shares, random growth models or physical systems tha

In probability theory, stochastic drift is the change of the average value of a stochastic (random) process. A related concept is the drift rate, which is the rate at which the average changes. For example, a process that counts the number of heads in a series of

In mathematics, stochastic partial differential equations (SPDEs) are a generalization of partial differential equations via random force terms and coefficients, in the same way ordinary stochastic differential equations generalize ordinary differential equations.

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

Stochastic Volatility Jump Models (SVJ models) are a class of mathematical models in quantitative finance that combine stochastic volatility dynamics with discontinuous jumps in asset prices. These models aim to more accurately reflect the empirical characteristics of financial markets, particularly those that deviate from the assumptions of classical models such as the Black–Scholes mod

In finance, a stock market index future is a cash-settled futures contract on the value of a particular stock market index. The turnover for the global market in exchange-traded equity index futures is notionally valued, for 2008, by the Bank for International Settlements at US$130 trillion.

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

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

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

In finance, the strike price (or exercise price) of an option is a fixed price at which the owner of the option can buy (in the case of a call), or sell (in the case of a put), the underlying security or commodity. The strike price may be set by reference to the spot price, which is the market price of the underlying security or commodity on the day an option is taken out. Alternatively,

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

Style drift occurs when a mutual fund's actual and declared investment style differs.

In finance, subprime lending (also referred to as near-prime, subpar, non-prime, and second-chance lending) is the provision of loans to people who may have difficulty maintaining the repayment schedule.

A sweepstake (also sweepstakes) is a type of contest in which a prize or prizes are awarded to winners selected by chance rather than skill. Sweepstakes have a long history in many countries, though they are regulated differently depending on jurisdiction. In some countries, such as the United States, sweepstakes must by law be free to enter, while in others, such as Australia, a purchas

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

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

The tar derby is the period in the 1950s marked by a rapid influx in both cigarette advertising focused on tar content measurements to differentiate cigarettes and brand introduction or repositioning focusing on filter technology. The period ended in 1959 after the Federal Trade Commission (FTC) Chairman and several cigarette company presidents agreed to discontinue usage of tar or nico

The target audience is the intended audience or readership of a publication, advertisement, or other message catered specifically to the previously intended audience. In marketing and advertising, the target audience is a particular group of consumer within the predetermined target market, identified as the targets or recipients for a particular advertisement or message.

The tax burden is the level of effective taxation represented as the distribution of tax rates across people, households, sectors, or forms of income by the amount of their income. Tax burdens are commonly summarized as the tax revenue as a share of gross domestic product for different groups; usually as the effective tax rates paid by different income groups as a share of their income o

Ethiopia has a long history of taxing its population. As of 2002, reforms have changed the way the tax system works in the nation; these reforms have aimed to centralize tax authority. Currently the nation's federal government lobbies many different types of taxes on its population; these taxes include income taxes on four main schedules, property taxes, and value added taxes (VAT).

The Taxation of Chargeable Gains Act 1992 (c. 12) is an act of the Parliament of the United Kingdom which governs the levying of capital gains tax in the United Kingdom. This is a tax on the increase in the value of an asset between the date of purchase and the date of sale of that asset. The tax operates under two different regimes for a natural person and a body corporate.

The technology adoption lifecycle is a sociological model that describes the adoption or acceptance of a new product or innovation, according to the demographic and psychological characteristics of defined adopter groups. The process of adoption over time is typically illustrated as a classical normal distribution or "bell curve". The model calls the first group of people to use a new pr

The technology life cycle (TLC) describes the commercial gain of a product through the expense of research and development phase, and the financial return during its "vital life". Some technologies, such as steel, paper or cement manufacturing, have a long lifespan (with minor variations in technology incorporated with time) while in other cases, such as electronic or pharmaceutical prod

The TED spread is the difference between the interest rates on interbank loans and on short-term U.S. government debt ("T-bills"). TED is an acronym formed from T-Bill and ED, the ticker symbol for the Eurodollar futures contract.

A tie-in work is a work of fiction or other product based on a media property such as a film, video game, television series, board game, website, role-playing game or literary property. Tie-ins are authorized by the owners of the original property, and are a form of cross-promotion used primarily to generate additional income from that property and to promote its visibility.

A time deposit or term deposit (also known as a certificate of deposit in the United States, and as a guaranteed investment certificate in Canada) is a deposit in a financial institution with a specific maturity date or a period to maturity, commonly referred to as its "term". Time deposits differ from at call deposits, such as savings or checking accounts, which can be withdrawn at any

In behavioral economics, time preference (or time discounting, delay discounting, temporal discounting, long-term orientation) is the current relative valuation placed on receiving a good at an earlier date compared with receiving it at a later date. Applications for these preferences include finance, health, and climate change.

A Tobin tax was originally defined as a tax on all spot conversions of one currency into another. It was suggested by James Tobin, an economist who won the Nobel Memorial Prize in Economic Sciences. Tobin's tax was originally intended to penalize short-term financial round-trip excursions into another currency. By the late 1990s, the term Tobin tax was being applied to all forms of shor

In finance, a total return swap (TRS), total rate of return swap (TRORS), or cash-settled equity swap is a financial contract that transfers both the credit risk and market risk of an underlying asset.

In finance, tracking error or active risk is a measure of the risk in an investment portfolio that is due to active management decisions made by the portfolio manager; it indicates how closely a portfolio follows the index to which it is benchmarked. The best measure is the standard deviation of the difference between the portfolio and index returns.

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

Trading 212 is a European fintech brokerage group founded in Bulgaria in 2004 and headquartered in London, United Kingdom.

In structured finance, a tranche (French pronunciation: [tʁɑ̃ʃ]) is one of a number of related securities offered as part of the same transaction. In the financial sense of the word, each bond is a different slice of the deal's risk. Transaction documentation (see indenture) usually defines the tranches as different "classes" of notes, each identified by letter (e.g., the Class A, Class

Transfer pricing refers to the rules and methods for pricing transactions within and between enterprises under common ownership or control. Because of the potential for cross-border controlled transactions to distort taxable income, tax authorities in many countries can adjust intragroup transfer prices that differ from what would have been charged by unrelated enterprises dealing at arm

Transient-key cryptography is a form of public-key cryptography wherein keypairs are generated and assigned to brief intervals of time instead of to individuals or organizations, and the blocks of cryptographic data are chained through time. In a transient-key system, private keys are used briefly and then destroyed, which is why it is sometimes nicknamed “disposable crypto.” Data encryp

A traveller's cheque is a medium of exchange that can be used in place of the currency of a country. Each cheque is denominated in a preprinted fixed, round, amount of one of a number of major world currencies; it has two panels for a signature. The purchaser signs one panel of each cheque on receiving it; to use it, it is signed on the second panel and dated in the presence of the payee

Triangular arbitrage (also referred to as cross currency arbitrage or three-point arbitrage) is the act of exploiting an arbitrage opportunity resulting from a pricing discrepancy among three different currencies in the foreign exchange market. A triangular arbitrage strategy involves three trades, exchanging the initial currency for a second, the second currency for a third, and the thi

Trickle-down fashion is a model of product adoption in marketing that affects many consumer goods and services.

The trinomial tree is a lattice-based computational model used in financial mathematics to price options on equity. It was developed by Phelim Boyle in 1986. It is an extension of the binomial options pricing model, and is conceptually similar. It can also be shown that the approach is equivalent to the explicit finite difference method for option pricing.

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

In decision theory, economics, and finance, a two-moment decision model is a model that describes or prescribes the process of making decisions in a context in which the decision-maker is faced with random variables whose realizations cannot be known in advance, and in which choices are made based on knowledge of two moments of those random variables. The two moments are almost always t

The U.S. Dollar Index (USDX, DXY, DX, or, informally, the "Dixie") is an index (or measure) of the value of the United States dollar relative to a basket of foreign currencies, often referred to as a basket of U.S. trade partners' currencies. The Index goes up when the U.S. dollar gains "strength" (value) when compared to other currencies.

The ultimate oscillator is a theoretical concept in finance developed by Larry Williams as a way to account for the problems experienced in most oscillators when used over different lengths of time.

In marketing, the unique selling proposition (USP), also called the unique selling point or the unique value proposition (UVP) in the business model canvas, is the marketing strategy of informing customers about how one's own brand or product is superior to its competitors (in addition to its other values).

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

The uranium market, like all commodity markets, has a history of volatility, moving with the standard forces of supply and demand as well as geopolitical pressures. It has also evolved particularities of its own in response to the unique nature and use of uranium.

The international currency code for the US dollar is USD. This article covers its definition, mechanisms, verification methods, and common misconceptions.

Valentino S.p.A., also known as Maison Valentino, is an Italian luxury fashion house founded in 1960 by Valentino Garavani and part of the Valentino Fashion Group. The company has its registered office in Milan, while the creative direction and the Valentino Foundation is based in Rome, at Palazzo Gabrielli-Mignanelli. Jacob Venturini was the CEO of Valentino since 2020 and Alessandro Mi

In finance, a price (premium) is paid or received for purchasing or selling options.

Valuation risk is the risk that an entity suffers a loss when trading an asset or a liability due to a difference between the accounting value and the price effectively obtained in the trade.

Value in marketing, also known as customer-perceived value, is the difference between a prospective customer's evaluation of the benefits and costs of one product when compared with others. Value may also be expressed as a straightforward relationship between perceived benefits and perceived costs: Value = Benefits - Cost.

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

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

A variance swap is an over-the-counter financial derivative that allows one to speculate on or hedge risks associated with the magnitude of movement, i.e. volatility, of some underlying product, like an exchange rate, interest rate, or stock index.

In microeconomics, management and international political economy, vertical integration, also referred to as vertical consolidation, is an arrangement in which the supply chain of a company is integrated and owned by that company. Usually each member of the supply chain produces a different product or (market-specific) service, and the products combine to satisfy a common need. It contra

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

Volatility smiles are implied volatility patterns that arise in pricing financial options. It is a parameter (implied volatility) that needs to be modified for the Black–Scholes formula to fit market prices. Generally, for a given expiration, options whose strike price differs substantially from the underlying asset's forward price tend to have prices that deviate from their expected pri

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

In finance, a warrant is a security that entitles the holder to buy or sell stock, typically the stock of the issuing company, at a fixed price called the strike price.

Weather derivatives are financial instruments that can be used by organizations or individuals as part of a risk management strategy to reduce risk associated with adverse or unexpected weather conditions. Weather derivatives are index-based instruments that usually use observed weather data at a weather station to create an index on which a payout can be based. This index could be total

Whole-life cost is the total cost of ownership over the life of an asset. The concept is also known as life-cycle cost (LCC) or lifetime cost, and is commonly referred to as "cradle to grave" or "womb to tomb" costs. Costs considered include the financial cost which is relatively simple to calculate and also the environmental and social costs which are more difficult to quantify and assi

WisdomTree, Inc. is a global exchange-traded fund (ETF) and exchange-traded product (ETP) sponsor and asset manager with headquarters in New York. WisdomTree launched its first ETFs in June 2006, and became one of the major ETF providers in the United States. WisdomTree sponsors different ETFs that span asset classes and countries worldwide. Categories include: U.S. and International Equ

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

A year-on-year inflation-indexed swap (YYIIS) is a standard derivative product over inflation rate. The underlying is a single consumer price index (CPI). The first swap of this kind was traded through the inter-dealer broker network in November 1999.

In finance, the yield spread or credit spread is the difference between the quoted rates of return on two different investments, usually of different credit qualities but similar maturities. It is often an indication of the risk premium for one investment product over another. The phrase is a compound of yield and spread.

In finance, a zero coupon swap (ZCS) is an interest rate derivative (IRD). In particular it is a linear IRD, that in its specification is very similar to the much more widely traded interest rate swap (IRS).

A zero-coupon inflation swap (ZCIS), also called a zero-coupon inflation-indexed swap (ZCIIS), is a standard derivative product whose payoff depends on the inflation rate realized over a given period of time. The underlying asset is a single consumer price index (CPI).