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Polymarket
Polymarket is an American cryptocurrency-based prediction market which offers a platform where individuals can place bets on future outcomes, including sports matches, economic indicators, weather patterns, awards, political and legislative outcomes, and military conflicts. Participants can deposit cryptocurrency through the Polygon blockchain network and trade shares that represent the
Trading basicsPremier Foods
Premier Foods plc is a British food manufacturer headquartered in St Albans, Hertfordshire. The group owns many well-known brands, including Mr Kipling, Ambrosia, Bird's Custard, Angel Delight, Homepride cooking sauces, Lyons, Sharwood's, Loyd Grossman sauces, Oxo, Bisto, Batchelors, Vesta meals and Plantastic. Premier Foods also produce cakes under the Cadbury's name, using the brand un
Trading basicsPrice
A price in economics is the amount of money that buyers are willing and able to pay for a particular good or service, and that sellers are willing to accept. In some situations, especially when the product is a service rather than a physical good, the price for the service may be called something else such as "rent" or "tuition". Prices are influenced by production costs, supply of the d
FinancePrivate electronic market
A private electronic market (PEM) uses the Internet to connect a limited number or pre-qualified buyers or sellers in one market. PEMs are a hybrid between perfectly open markets (e.g. exchanges where there is no pre-existing relationship between buyer and seller - similar to eBay) and closed contract negotiations (such as a sealed bid tender, where there is no visibility between competi
BankingProbability of default
Probability of default (PD) is a financial term describing the likelihood of a default over a particular time horizon. It provides an estimate of the likelihood that a borrower will be unable to meet its debt obligations.
Trading basicsProduct (business)
In marketing and economics, a product is any object, service, or system offered to a market to satisfy a customer’s need or want. Products may be tangible, such as physical goods that can be touched and owned, or intangible, such as services, digital currency products offerings, or rights that provide value without physical form. Products are created through processes of design, producti
Trading basicsProduct finder
Product finders are information systems that help consumers to identify products within a large palette of similar alternative products. Product finders differ in complexity, the more complex among them being a special case of decision support systems. Conventional decision support systems, however, aim at specialized user groups, e.g. marketing managers, whereas product finders focus on
FinanceProfit maximization
In economics, profit maximization is the short run or long run process by which a firm may determine the price, input and output levels that will lead to the highest possible total profit (or just profit in short). In neoclassical economics, which is currently the mainstream approach to microeconomics, the firm is assumed to be a "rational agent" (whether operating in a perfectly competi
FinanceProsus
Prosus N.V. is a Dutch investment group that invests and operates across sectors and markets with long-term growth potential. It is among the largest technology investors in the world.
Trading basicsPsychographics
Psychographics is defined as "market research or statistics classifying population groups according to psychological variables." The term psychographics is derived from the words "psychological" and "demographics." Two common approaches to psychographics include analysis of consumers' activities, interests, and opinions (AIO variables), and values and lifestyles (VALS).
Trading basicsPuzzle friendliness
In cryptography, puzzle friendliness is a property of some cryptographic hash functions. SHA-256 is a cryptographic hash function that is thought to have this property. Informally, a hash function is puzzle friendly if no solution exists which is better than just making random guesses, and the only way to find a solution is the brute force method. Although the property is very general, i
FinanceQualifying investor alternative investment fund
Qualifying Investor Alternative Investment Fund or QIAIF is a Central Bank of Ireland regulatory classification established in 2013 for Ireland's five tax-free legal structures for holding assets. The Irish Collective Asset-management Vehicle or ICAV is the most popular of the five Irish QIAIF structures, it is the main tax-free structure for foreign investors holding Irish assets.
Fiat currenciesQuantity theory of money
The quantity theory of money (QTM) is a hypothesis within monetary economics which states that the general price level of goods and services is directly proportional to the amount of money in circulation (i.e., the money supply), and that the causality runs from money to prices. This implies that the theory potentially explains inflation. It originated in the 16th century and has been pr
Payments & settlementRail Travel Card
The Rail Travel Card was a credit card administered by the Rail Travel Credit Agency headquartered at Chicago Union Station (room 436) to facilitate leisure and business travel by rail, possibly modeled on the air travel card. It was accepted by most major railroads, the prominent exceptions being New Haven and Southern Pacific.
FinanceRate of profit
In economics and finance, the profit rate is the relative profitability of an investment project, a capitalist enterprise or a whole capitalist economy. It is similar to the concept of rate of return on investment. Scholarship has shown that the profit rate has fallen since 1945, especially after the Great Recession.
Trading basicsReader's Digest
Reader's Digest is an American general-interest family magazine, published six times a year. Formerly based in Chappaqua, New York, it is now headquartered in midtown Manhattan. The magazine was founded in 1922 by DeWitt Wallace and his wife Lila Bell Wallace. For many years, Reader's Digest was the best-selling consumer magazine in the United States; it lost that distinction in 2009 to
Trading basicsReal bills doctrine
The real bills doctrine says that as long as bankers lend to businessmen only against the security (collateral) of short-term 30-, 60-, or 90-day commercial paper representing claims to real goods in the process of production, the loans will be just sufficient to finance the production of goods. The doctrine seeks to have real output determine its own means of purchase without affecting
Fiat currenciesRedenomination of the Azerbaijani manat
The redenomination of the Azerbaijani manat was a reform of Azerbaijan's national currency, manat, when 1 new manat was equated to 5000 old manats. The redenomination was conducted in 2006 in accordance with the February 7, 2005 decree of Azerbaijani president Ilham Aliyev. Alongside banknotes of lower denomination, it re-introduced coins (qapiks) that had existed briefly in 1992–1993. S
Trading basicsReflation
Reflation is used to describe a return of prices to a previous rate of inflation. One usage describes an act of stimulating the economy by increasing the money supply or by reducing taxes, seeking to bring the economy (specifically the price level) back up to the long-term trend, following a dip in the business cycle. It is the opposite of disinflation, which seeks to return the economy
FinanceRegulatory capitalism
Regulatory capitalism suggests that the operation maintenance and development of the international political economy increasingly depends on administrative rules outside the legislatures and the courts. In other words, it tells us that capitalism is a regulatory institution – one that is being constituted, shaped, constrained and expanded as a historically woven patchwork of regulatory i
Trading basicsRelative price
A relative price is the price of a commodity such as a good or service in terms of another; i.e., the ratio of two prices. A relative price may be expressed in terms of a ratio between the prices of any two goods or the ratio between the price of one good and the price of a market basket of goods (a weighted average of the prices of all other goods available in the market).
Fiat currenciesRenminbi currency value
Renminbi currency value is a debate affecting the Chinese currency unit, the renminbi (Chinese: 人民币 Code:CNY). The renminbi is classified as a managed floating exchange rate currency "with reference to a basket of currencies", which has drawn attention from nations which have freely floated currencies and has become a source of trade friction with Western nations.
Trading basicsRetail
Retail is the sale of goods and services to consumers, in contrast to wholesaling, which is the sale to business or institutional customers. A retailer purchases goods in large quantities from manufacturers, directly from or through a wholesaler, and then sells in smaller quantities to consumers for a profit. Retailers are the final link in the supply chain from producers to consumers.
Trading basicsRetail industry
The retail industry comprises retail businesses that sell goods and services directly to end consumers. It is a fundamental pillar of modern commerce, influencing consumption patterns, urban infrastructure, and labor markets. In major classification systems, retail is treated as a distinct set of activities.
Trading basicsRevco
Revco Discount Drug Stores (known simply as Revco or Revco, D.S.), once based in Twinsburg, Ohio, was a major drug store chain operating through the Ohio Valley, the Mid-Atlantic states, and the Southeastern United States. The chain's stock was traded on the New York Stock Exchange under the ticker symbol RXR. Revco was sold to CVS Pharmacy for $2.8 billion ($5.21 billion in 2025) in Feb
FinanceRich Dad Poor Dad
Rich Dad Poor Dad: What the Rich Teach Their Kids About Money That the Poor and Middle Class Do Not! is a 1997 book written by Robert Kiyosaki and Sharon Lechter. It advocates the importance of financial literacy (financial education), financial independence and building wealth through investing in assets, real estate investing, starting and owning businesses, as well as increasing one's
Securities & exchangesRichard Driehaus
Richard Herman Driehaus (; July 28, 1942 – March 9, 2021) was an American businessman, investor, and philanthropist. He was the founder, chief investment officer, and chairman of the hedge fund Driehaus Capital Management LLC, based in Chicago.
FinanceRisk aversion
In economics and finance, risk aversion is the tendency of people to prefer outcomes with low uncertainty to those outcomes with high uncertainty, even if the average outcome of the latter is equal to or higher in monetary value than the more certain outcome.
BankingRock, Rock, Rock!
Rock, Rock, Rock! is a 1956 musical drama film conceived, co-written and co-produced by Milton Subotsky and directed by Will Price. The film is an early jukebox musical featuring performances by established rock and roll singers of the era, including Chuck Berry, LaVern Baker, Teddy Randazzo, the Moonglows, the Flamingos, and the Teenagers with Frankie Lymon as lead singer. Later West S
FinanceRoman finance
The practices of ancient Roman finance, while originally rooted in Greek models, evolved in the second century BC with the expansion of Roman monetization. Roman elites engaged in private lending for various purposes, and various banking models arose to serve different lending needs.
FinanceRuin theory
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.
FinanceS&P Global Ratings
S&P Global Ratings (previously Standard & Poor's and informally known as S&P) is an American credit rating agency (CRA) and a division of S&P Global that publishes credit ratings on debt issued by companies, governments and structured finance vehicles. S&P is considered the largest of the Big Three credit-rating agencies, which also include Moody's Ratings and Fitch Ratings. Its former e
FinanceS&P Sri Lanka 20 Index
The S&P SL20, or the Standard & Poor's Sri Lanka 20, is a stock market index, based on market capitalization, that follows the performance of 20 leading publicly traded companies listed in the Colombo Stock Exchange. The 20 companies that make up the index is determined by Standard & Poor's global index methodology, according to which the index's listing is reviewed each year. All S&P SL
FinanceSaaho
Saaho (transl. May Victory be Yours) is a 2019 Indian action thriller film written and directed by Sujeeth and produced by UV Creations and T-Series. Filmed simultaneously in Telugu and Hindi, it features Prabhas (in his Hindi film debut) in the titular role, alongside an ensemble cast of Shraddha Kapoor, Chunky Panday, Jackie Shroff, Arun Vijay, Neil Nitin Mukesh, Lal, Tinnu Anand, Mur
FinanceSaving
Saving is income not spent, or deferred consumption. In economics, a broader definition is any income not used for immediate consumption. Saving also involves reducing expenditures, such as recurring costs.
Trading basicsScenario planning
Scenario planning, scenario thinking, scenario analysis, scenario prediction and the scenario method all describe a strategic planning method that some organizations use to make flexible long-term plans. It is in large part an adaptation and generalization of classic methods used by military intelligence.
Fiat currenciesScott Sumner
Scott B. Sumner (born 1955) is an American economist. He was previously the Director of the Program on Monetary Policy at the Mercatus Center at George Mason University, a Research Fellow at the Independent Institute, and a professor at Bentley University in Waltham, Massachusetts. His economics blog, The Money Illusion, popularized the idea of nominal GDP targeting, which says that the
Trading basicsService mark
A service mark or servicemark is a trademark used in the United States and several other countries to identify a service rather than a product.
Securities & exchangesShare class
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
Trading basicsShell money
Shell money is a medium of exchange similar to coin money and other forms of commodity money, and was once commonly used in many parts of the world. Shell money usually consisted of whole or partial sea shells, often worked into beads or otherwise shaped. The use of shells in trade began as direct commodity exchange, the shells having use-value as body ornamentation. The distinction betw
Trading basicsShrinkflation
In economics, shrinkflation, also known as package downsizing, weight-out, and price pack architecture is the reduction of available products, in size or quantity, while the prices remain the same. The word is a portmanteau of the words shrink and inflation and was coined as the counterpart to economic inflation, wherein prices rise while the product remains unchanged. A related term, sk
FinanceSingle Audit
In the United States, the Single Audit, Subpart F of the OMB Uniform Guidance, is a rigorous, organization-wide audit or examination of an entity that expends $750,000 or more of federal assistance (commonly known as federal funds, federal grants, or federal awards) received for its operations. Usually performed annually, the Single Audit's objective is to provide assurance to the US fed
FinanceSnell envelope
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.
Trading basicsSocial media mining
Social media mining is the process of obtaining data from user-generated content on social media in order to extract actionable patterns, form conclusions about users, and act upon the information. Mining supports targeting advertising to users or academic research. The term is an analogy to the process of mining for minerals. Mining companies sift through raw ore to find the valuable mi
Trading basicsSolidity
Solidity is a programming language for implementing smart contracts on various blockchain platforms, most notably Ethereum. Solidity is licensed under GNU General Public License v3.0. Solidity was designed by Gavin Wood and developed by Christian Reitwiessner, Alex Beregszaszi, and several former Ethereum core contributors. Programs in Solidity run on Ethereum Virtual Machine or on compa
Trading basicsSPDR
SPDR funds (pronounced "spider") are a family of exchange-traded funds (ETFs) traded in the United States, Europe, Mexico and Asia-Pacific and managed by State Street Global Advisors (SSGA). Informally, they are also known as Spyders or Spiders. SPDR is a trademark of Standard and Poor's Financial Services LLC, a subsidiary of S&P Global. The name is an acronym for the first member of th
FinanceStochastic calculus
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.
FinanceStochastic volatility jump models
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
Securities & exchangesStock market prediction
Stock market prediction is the act of trying to determine the future value of a company stock or other financial instrument traded on an exchange. The successful prediction of a stock's future price could yield significant profit. The efficient market hypothesis suggests that stock prices reflect all currently available information and any price changes that are not based on newly reveal
Fiat currenciesStore of value
A store of value is any commodity or asset that would normally retain purchasing power into the future and is the function of the asset that can be saved, retrieved and exchanged at a later time, and be predictably useful when retrieved.
Trading basicsSumo Logic
Sumo Logic, Inc. is a cloud-based data analytics company, focusing on cybersecurity, security analytics and observability. It provides log management and analytics services based on artificial intelligence.
Trading basicsSuper app
A super app or super-app (also known as an everything app) is a mobile or web application that can provide multiple services including payment and instant messaging services, effectively becoming an all-encompassing, self-contained, commerce and communication online platform that embraces many aspects of personal and commercial life. Notable examples of super apps include Tencent's WeCha
Trading basicsTechnocapitalism
Technocapitalism refers to a contemporary economic and social system characterized by the dominance of technology-driven capital, where technological innovation becomes a central component of economic growth and wealth accumulation. This term encapsulates the interplay between technology and capitalism, highlighting how advancements in technology influence economic structures, labor mark
Trading basicsTechnology adoption life cycle
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
Trading basicsThe Glass Hotel
The Glass Hotel is a 2020 novel by Canadian writer Emily St. John Mandel. It is Mandel's fifth novel, and the first since winning the Arthur C. Clarke Award with her novel Station Eleven in 2015. It follows the aftermath of a disturbing graffiti incident at a hotel on Vancouver Island and the collapse of an international Ponzi scheme.
FinanceThe Millionaire Next Door
The Millionaire Next Door: The Surprising Secrets of America's Wealthy (ISBN 0-671-01520-6) is a 1996 book by Thomas J. Stanley and William D. Danko. The book is a compilation of research done by the two authors in the profiles of American millionaires.
Trading basicsTime preference
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.
Trading basicsToy library
A toy library is a type of library that lends or hires out toys, puzzles, and games. They can function as either as a rental shop, part of a public library, or family resource program. Some toy libraries offer play sessions for families. Toy libraries are internationally federated by the International Toy Library Association (ITLA).
Trading basicsTP ICAP
TP ICAP Group plc is a financial services firm headquartered in London, United Kingdom. Its stock is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.
Trading basicsTrade-off theory of capital structure
The trade-off theory of capital structure is the idea that a company chooses how much debt finance and how much equity finance to use by balancing the costs and benefits. The classical version of the hypothesis goes back to Kraus and Litzenberger who considered a balance between the dead-weight costs of bankruptcy and the tax saving benefits of debt. Often agency costs are also included
Trading basicsTradio
Tradio is a type of phone-in radio program formatted to provide a venue for listeners to freely advertise items they have to sell or trade. The concept is analogous to classified ads in local newspapers and most prevalent in the south and midwest. "Tradio" is a portmanteau of "trade" and "radio". The format is also often called Swap Shop; Buy, Sell, or Trade; Biz Baz; or Trading Post.
NetworksTransient-key cryptography
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
FinanceTreasury
A treasury is either:
Fiat currenciesTreasury view
In macroeconomics, particularly in the history of economic thought, the Treasury view is the assertion that fiscal policy has no effect on the total amount of economic activity and unemployment, even during times of economic recession. This view was most famously advanced in the 1930s (during the Great Depression) by the staff of the British Chancellor of the Exchequer. The position can
Trading basicsTrillion dollar club (macroeconomics)
The Trillion dollar club is an unofficial classification of the world's major economies with a gross domestic product (nominal GDP) of more than US$1 trillion per year. As of 2025, it included 21 countries. This does not include purchasing power parity, which increases the GDP of many countries with an undervalued currency, which are usually poorer countries.
Trading basicsTypes of e-commerce
There are many types of e-commerce models, based on market segmentation, that can be used to conduct business online. The 6 types of business models that can be used in e-commerce include: Business-to-Consumer (B2C), Consumer-to-Business (C2B), Business-to-Business (B2B), Consumer-to-Consumer (C2C), Business-to-Administration (B2A), and Consumer-to-Administration
Trading basicsUnderwriting spot
An underwriting spot, also known as sponsor credit, is an announcement made on public broadcasting outlets, especially in the United States, in exchange for funding. These spots usually mention the name of the sponsor, and can resemble traditional television advertisements in commercial broadcasting to a limited extent; however, under the terms of a public broadcaster's license from the
Trading basicsUse of saffron
Saffron is a key seasoning, fragrance, dye, and medicine in use for over three millennia. One of the world's most expensive spices by weight, saffron consists of stigmas plucked from the vegetatively propagated and sterile Crocus sativus, known popularly as the saffron crocus. The resulting dried stigmas, also known as "threads", are distinguished by their bitter taste, hay-like fragranc
Trading basicsVasicek model
In finance, the Vasicek model is a mathematical model describing the evolution of interest rates. It is a type of one-factor short-rate model as it describes interest rate movements as driven by only one source of market risk. The model can be used in the valuation of interest rate derivatives, and has also been adapted for credit markets. It was introduced in 1977 by Oldřich Vašíček, an
Trading basicsVictor Posner
Victor Posner (September 18, 1918 – February 11, 2002) was an American businessman. He was one of the highest-paid business executives of his generation. He was a pioneer of the leveraged buyout and became notorious for asset stripping.
Fiat currenciesWage unit
The wage unit is a unit of measurement for monetary quantities introduced by Keynes in his 1936 book The General Theory of Employment, Interest and Money (General Theory). A value expressed in wage units is equal to its price in money units divided by the wage (in money units) of a man-hour of labour.
BankingWarburg family
The Warburg family is a prominent German and American banking family. They are noted for their varied accomplishments in biochemistry, botany, political activism, economics, investment banking, law, physics, classical music, art history, pharmacology, physiology, finance, private equity and philanthropy.
Fiat currenciesWilliam A. Barnett
William Arnold Barnett (born October 30, 1941) is an American economist, whose current work is in the fields of chaos, bifurcation, and nonlinear dynamics in socioeconomic contexts, econometric modeling of consumption and production, and the study of the aggregation problem and the challenges of measurement in economics.
Trading basicsWine label
Wine labels are important sources of information for consumers since they tell the type and origin of the wine. The label is often the only resource a buyer has for evaluating the wine before purchasing it. Certain information is ordinarily included in the wine label, such as the country of origin, quality, type of wine, alcoholic degree, producer, bottler, or importer. In addition to th
FinanceWorld Liberty Financial
World Liberty Financial (WLFI) is a decentralized finance protocol developed by its namesake company. It was founded in 2024 by Zachary Folkman, Chase Herro, Alex Witkoff, Zach Witkoff, and Trump family members. It is a business venture of the Trump family. The Trump family receives 75% of net proceeds when WLFI sells tokens, as well as gets a cut of stablecoin profits. By December 2025,
BankingZebra (film)
Zebra is 2024 Indian Telugu-language action thriller film directed by Eashvar Karthic, who co-wrote with Yuva. The film has an ensemble cast of Satyadev, Dhananjaya, Sunil, Satya, Priya Bhavani Shankar, Jeniffer Piccinato and Sathyaraj. The music is composed by Ravi Basrur.