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Market monetarism is a school of macroeconomics that advocates that central banks use a nominal GDP level target instead of inflation, unemployment, or other measures of economic activity, with the goal of mitigating demand shocks such as those experienced during the 2008 financial crisis and the 2021–2023 inflation surge. Market monetarists criticize the fallacy that low interest rates

Marketing ethics is an area of applied ethics that examines the moral principles and standards governing the practice and regulation of marketing. It addresses ethical issues arising in areas such as advertising, promotion, pricing, product development, and distribution. Certain aspects of marketing ethics, particularly advertising and promotional practices, overlap with media ethics and

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

Markets in Financial Instruments Directive 2014 (2014/65/EU, commonly known as MiFID 2) is a directive of the European Union (EU). Together with Regulation No 600/2014 it provides a legal framework for securities markets, investment intermediaries, in addition to trading venues. The directive provides harmonised regulation for investment services of the member states of the European Econ

Marquette Nat. Bank of Minneapolis v. First of Omaha Service Corp., 439 U.S. 299 (1978), is a unanimous U.S. Supreme Court decision holding that state anti-usury laws regulating interest rates cannot be enforced against nationally chartered banks based in other states. Justice William Brennan wrote that it was clearly the intent of Congress when it passed the National Banking Act that na

Massa Frumentaria or Monte Frumentario was a medieval grain fund established in Malta. As a public institution, it was tasked with the importation and distribution of wheat and other commodities, while also serving as a precursor to an investment bank. The fund was administered by the Università, a municipal body under the control of the Knights of St. John, and later continued under Bri

In economics, a medium of exchange is any item that is widely accepted in exchange for goods and services. In modern economies, the most commonly used medium of exchange is currency. Most forms of money function as media of exchange, including commodity money, representative money, cryptocurrency, and most commonly fiat money. Representative and fiat money exist in digital form as well a

A Mefo bill (sometimes written as MEFO bill; German: Mefo-Wechsel) was a six-month promissory note, drawn upon the dummy company Metallurgische Forschungsgesellschaft ('Metallurgical Research Corporation'), devised by the German Central Bank President, Hjalmar Schacht, in 1934. These bills could be discounted by any German bank at any time, and these banks, in turn, could rediscount the

Melvin Van Peebles (born Melvin Peebles; August 21, 1932 – September 21, 2021) was an American actor, filmmaker, writer, and composer. His feature film debut, The Story of a Three-Day Pass (1967), was based on his own French-language novel La Permission and was shot in France, as it was difficult for a black American director to get work at the time. The film won an award at the San Fran

Merchantrade Asia (Merchantrade) is a financial service company based in Malaysia. The company's business is centered on international money transfers, foreign currency exchange, wholesale banknotes, digital payment processing and mobile telecommunications. They also introduced microinsurance as part of their service offerings.

Mergers and acquisitions in United Kingdom law refers to a body of law that covers companies, labour, and competition, which is engaged when firms restructure their affairs in the course of business.

Mervyn Allister King, Baron King of Lothbury, (born 30 March 1948) is a British economist and public servant who was governor of the Bank of England from 2003 to 2013. Emeritus Professor of the London School of Economics and chairman of the Philharmonia since 2020, Lord King served as president of Marylebone Cricket Club for 2024/25.

Metallism is the economic principle that the value of money derives from the purchasing power of the commodity upon which it is based. The currency in a metallist monetary system may be made from the commodity itself (commodity money) or it may use tokens (such as national banknotes) redeemable in that commodity. Georg Friedrich Knapp (1842–1926) coined the term "metallism" to describe

MetaTrader 4, also known as MT4, is an electronic trading platform widely used by online retail foreign exchange speculative traders. It was developed by MetaQuotes Software and released in 2005. The software is licensed to foreign exchange brokers who provide the software to their clients. The software consists of both a client and server component. The server component is run by the br

Microcap stock fraud is a form of securities fraud involving stocks of "microcap" companies, generally defined in the United States as those with a market capitalization of under $250 million. Its prevalence has been estimated to run into the billions of dollars a year. Many microcap stocks are penny stocks, which the SEC defines as a security that trades at less than $5 per share, is no

Micros Systems, Inc. was an American computer company that manufactured hardware and developed software and services for the restaurant point of sale, hotel, hospitality, sports and entertainment venues, casinos, cruise lines, specialty retail markets, and other similar markets. Analyst estimates cited in 2003 put Micros' market share at about 35% of the restaurant point-of-sale business

A microtransaction (MTX) video game business model is one where users can purchase in-game virtual goods with micropayments. Microtransactions are often used in free-to-play games to provide a revenue source for the developers. While microtransactions are a staple of the mobile app market, they are also seen on PC software such as Valve's Steam digital distribution platform, as well as c

Midland Credit Management, Inc. is an American debt buyer and debt collection company headquartered in San Diego, California, and has offices throughout the United States as well as in India and Costa Rica. It is a wholly owned subsidiary of Encore Capital Group (Nasdaq: ECPG). It is one of the largest debt collectors in the United States.

Military payment certificates, or MPC, was a form of currency used to pay United States (US) military personnel in certain foreign countries in the mid and late twentieth century. They were used in one area or another from a few months after the end of World War II until a few months after the end of U.S. participation in the Vietnam War – from 1946 until 1973. The certificates were made

In the context of cryptocurrency mining, a mining pool is the pooling of resources by miners, who share their processing power over a network, to split the reward equally, according to the amount of work they contributed to the probability of finding a block. A "share" is awarded to members of the mining pool who present a valid partial proof-of-work. Mining in pools began when the diffi

The Ministry of Economy (Spanish: Ministerio de Economía) of Argentina is the country's state treasury and a ministry of the national executive power that manages economic policy.

The Ministry of Economy, Trade and Enterprise (MINECO) is the department of the Government of Spain responsible for proposing and carrying out the government policy on economic affairs, through reforms to improve competitiveness and trade, focused on business support and the potential growth of the economy. At the same time, it directs the commercial policy of internationalization of com

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

The Ministry of Finance (Arabic: وزارة المالیة, French: Ministère des finances) is a government ministry of Algeria responsible for public finances. As of 2025, Abdelkrim Bouzred is the current Minister of Finance.

The Ministry of Finance (German: Bundesministerium für Finanzen) is the government ministry of Austria responsible for the collection of taxes and customs as well as the administration of fiscal and economic policy. It oversees the Revenue Service, the Revenue Service for Large Businesses, the Financial Police, and various other agencies.

The Ministry of Finance of Azerbaijan Republic (Azerbaijani: Azərbaycan Respublikasının Maliyyə Nazirliyi) is a governmental agency within the Cabinet of Azerbaijan in charge of regulating the financial sector in Azerbaijan Republic. The ministry is headed by Sahil Babayev.

The Ministry of Finance (Bengali: অর্থ মন্ত্রণালয়, romanized: Artha Montronaloy) is a ministry of the Government of Bangladesh responsible for financial management, economic policy, and fiscal administration. It serves as the principal government body overseeing the country’s budget, taxation, public expenditure, and financial regulations.

The Ministry of Finance (Spanish: Ministerio de Hacienda) is the cabinet-level administrative office in charge of managing the financial affairs, fiscal policy, and capital markets of Chile; planning, directing, coordinating, executing, controlling and informing all financial policies formulated by the President of Chile.

The Ministry of Finance of the People's Republic of China is the constituent department of the State Council of the People's Republic of China which administers macroeconomic policies and the annual budget. It also handles fiscal policy, economic regulations and government expenditure for the state. The ministry also records and publishes annual macroeconomic data on China's economy. T

The Ministry of Finance of the Republic of Croatia (Croatian: Ministarstvo financija) is the ministry in the Government of Croatia which is in charge of state finances and the budget.

The Ministry of Finance (Spanish: Ministerio de Hacienda) of El Salvador is the government ministry of El Salvador in charge of directing the fiscal policy on public resources, so that it promotes stability and sustainability of public finances.

The Ministry of Finance (IAST: Vitta Mantrālaya) is a ministry of the Government of India concerned with the economy of India, serving as the Treasury of India. In particular, it concerns itself with taxation, financial legislation, financial institutions, capital markets, currency regulation, banking service, centre and state finances, and the Union Budget.

The Ministry of Finance (財務省, Zaimu-shō) is one of the cabinet-level ministries of the Japanese government. The ministry was named the Ōkura-shō (大蔵省) until 2001. The Ministry is headed by the Minister of Finance (財務大臣, Zaimu-daijin), who is a member of the Cabinet and is typically chosen from members of the Diet by the Prime Minister.

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

The Ministry of Finance (Romanian: Ministerul Finanțelor) is one of the fourteen ministries of the Government of Moldova. It is the central specialized body of public administration, which develops and promotes the unique policy of training and managing public finances, applying financial levers in line with the requirements of the market economy. In its activity, the Ministry of Finance

The Ministry of Finance of the Russian Federation (Russian: Министерство финансов Российской Федерации), also known as MinFin (Минфин России), is a ministry of the Government of Russia responsible for financial policy and general management in the field of finance.

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

The Ministry of Finance and Economic Planning is the government ministry responsible for the economic and monetary health of Ghana. The Ministry is involved with economic planning, fiscal policy, national accounting, the national budget, and creating an environment for investment and growth.

The Ministry of Finance (Georgian: საქართველოს ფინანსთა სამინისტრო) is a governmental agency within the Cabinet of Georgia in charge of regulating the financial sector in the Republic of Georgia. Lasha Khutsishvili has served as the Minister since 1 April 2021.

The Ministry of Finance, Planning and Economic Development (Sinhala: මුදල්, සැලසුම් සහ ආර්ථික සංවර්ධන අමාත්‍යාංශය; Tamil: நிதி, திட்டமிடல் மற்றும் பொருளாதார மேம்பாட்டு அமைச்சகம்) (also known as the Finance Ministry or the Treasury) is a cabinet ministry of the Government of Sri Lanka responsible for developing and executing the government's public finance policy, economic policy and lon

The Ministry of Finance, Planning and Economic Development (MoFPED) is a cabinet-level government ministry of Uganda. Its mandate is to formulate sound economic and fiscal policies, mobilize resources for the implementation of government programmes, disburse public resources as appropriated by Parliament, and account for their use in accordance with national laws and international best p

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

The Minneapolis Grain Exchange (MGEX) is a commodities and futures exchange of grain products. It was formed in 1881 in Minneapolis, Minnesota, United States as a regional cash marketplace to promote fair trade and to prevent trade abuses in wheat, oats and corn. MGEX became a subsidiary of Miami International Holdings after the two companies merged in 2020.

One MobiKwik Systems Limited, doing business as MobiKwik, is an Indian financial technology company, headquartered in Gurugram, Haryana. Founded in 2009 that provides a mobile phone-based payment system and digital wallet.

MobileCoin, also known as Sentz, is a peer-to-peer cryptocurrency developed by MobileCoin Inc., which was founded in 2017 by Josh Goldbard and Shane Glynn.

Monero (; abbreviation: XMR) is a blockchain-based cryptocurrency which is private, untraceable, fungible, and decentralized.

Monetarism is a school of thought in monetary economics that emphasizes the role of policy-makers in controlling the amount of money in circulation. It gained prominence in the 1970s, but was mostly abandoned as a direct guidance to monetary policy during the following decade because of the rise of inflation targeting through movements of the official interest rate.

Monetary policy pertains to the regulation, availability, and cost of credit, while Fiscal policy deals with government expenditures, taxes, and debt. Through management of these areas, the Ministry of Finance regulated the allocation of resources in the economy, affected the distribution of income and wealth among the citizenry, stabilized the level of economic activities, and promoted

Monetary economics is the branch of economics that studies the nature, role, and impact of money and monetary institutions. It provides a framework for analyzing money and its core functions—as a medium of exchange, a store of value, and a unit of account—and examines how money can achieve widespread acceptance, including through its role as a public good.

The Monetary Policy Committee (MPC) is a committee of the Bank of England, which meets for three and a half days, eight times a year, to decide the official interest rate in the United Kingdom (the Bank of England Base Rate).

Money is any item or verifiable record that is generally accepted as payment for goods and services and repayment of debts, such as taxes, in a particular country or socio-economic context. The primary functions which distinguish money are: medium of exchange, a unit of account, a store of value and sometimes, a standard of deferred payment.

Money Box is a weekly personal finance radio programme on BBC Radio 4, produced by BBC News, currently presented by Paul Lewis. The programme is broadcast live each Saturday in the half-hour slot just after midday. It is repeated on Sunday evenings just after 9.00pm.

Money burning or burning money is the purposeful act of destroying money. In the prototypical example, banknotes are destroyed by setting them on fire. Burning money decreases the wealth of the owner without directly enriching any particular party. It also reduces the money supply and (very slightly) slows down the inflation rate.

Money laundering is the process of illegally concealing the origin of money obtained from illicit activities (often known as dirty money), and converting the funds into a seemingly legitimate source. As financial crime has become more complex and financial intelligence is more important in combating international crime and terrorism, money laundering has become the subject of prominent p

The money market is a component of the economy that provides short-term funds. The money market deals in short-term loans, generally for a period of a year or less.

A money order is a directive to pay a pre-specified amount of money from prepaid funds, making it a more trusted method of payment than a cheque.

Moneycorp is a British payment company that provides foreign exchange and global payment services to individual and corporate customers. The company was founded in London in 1979. Its clients include individuals, corporations, and other financial institution. It has a branches in the United Kingdom, North America, Europe, Asia and a number of other countries.

In finance, moneyness is the relative position of the current price (or future price) of an underlying asset (e.g., a stock) with respect to the strike price of a derivative, most commonly a call option or a put option. Moneyness is firstly a three-fold classification:

In mathematical finance, a Monte Carlo option model uses Monte Carlo methods to calculate the value of an option with multiple sources of uncertainty or with complicated features. The first application to option pricing was by Phelim Boyle in 1977 (for European options). In 1996, M. Broadie and P. Glasserman showed how to price Asian options by Monte Carlo. An important development was

A mortgage broker acts as an intermediary who brokers mortgage loans on behalf of individuals or businesses. Traditionally, banks and other lending institutions have sold their own products. As markets for mortgages have become more competitive, however, the role of the mortgage broker has become more popular. In many developed mortgage markets today, (especially in the United States, Ca

Mortgage Electronic Registration Systems, Inc. (MERS) is an American privately held corporation. MERS is a separate and distinct corporation that serves as a nominee on mortgages after the turn of the century and is owned by holding company MERSCORP Holdings, Inc., which owns and operates an electronic registry known as the MERS system, which is designed to track servicing rights and own

In the United States, a mortgage note (also known as a real estate lien note or borrower's note) is a promissory note secured by a specified mortgage loan.

Mortgage underwriting is the process a lender uses to determine if the risk of offering a mortgage loan to a particular borrower under certain parameters is acceptable. Most of the risks and terms that underwriters consider fall under the three C's of underwriting: credit, capacity and collateral.

In finance, mortgage yield is a measure of the yield of mortgage-backed bonds. It is also known as cash flow yield. The mortgage yield, or cash flow yield, of a mortgage-backed bond is the monthly compounded discount rate at which the net present value of all future cash flows from the bond will be equal to the present price of the bond.

A mortgage-backed security (MBS) is a type of asset-backed security (an "instrument") which is secured by a mortgage or collection of mortgages. The mortgages are aggregated and sold to a group of individuals (a government agency or investment bank) that securitizes, or packages, the loans together into a security that investors can buy. Bonds securitizing mortgages are usually treated a

Mossack Fonseca & Co. (Spanish pronunciation: [moˈsak fonˈseka]) was a Panamanian law firm and corporate service provider. At one time it was the world's fourth-largest provider of offshore financial services. From its establishment in 1977 until the publication of the Panama Papers in April 2016, the company remained mostly obscured from public attention, even though it was a major firm

A mount of piety is an institutional pawnbroker run as a charity in Europe from Renaissance times until today. Similar institutions were established in the colonies of Catholic countries; the Mexican Nacional Monte de Piedad is still in operation.

Mt. Gox was a bitcoin exchange based in Shibuya, Tokyo, Japan. Launched in 2010, it was handling over 70% of all bitcoin transactions worldwide by early 2014, when it abruptly ceased operations amid revelations of its involvement in the loss/theft of hundreds of thousands of bitcoin, then worth hundreds of millions in US dollars.

The Multilateral Investment Guarantee Agency (MIGA) is an international financial institution which offers political risk insurance and credit enhancement guarantees. These guarantees help investors protect foreign direct investments against political and non-commercial risks in developing countries. MIGA is a member of the World Bank Group and is headquartered in Washington, D.C. in the

Multivía was a contactless card designed for paying the travel fares in the mass transport system Transantiago, in Santiago, the capital of Chile. It was replaced by Tarjeta bip! since 2007 and was completely phased-out in 2011. It was a plastic card equipped with a chip that automatically discounts the cost of a travel when passing the card near a contactless card reader.

Nancy Merle Pfister was an American woman who was found murdered on February 26, 2014, in a walk-in closet of her secluded home in the Rocky Mountains. She had been beaten in the head and chest with a hammer, ax, and lamp. Pfister has been described as having been a "small-town socialite" and was well known in her small community. In October 2014, Trey and Nancy Styler, Pfister's former

A mutual savings bank is a financial institution chartered by a central or regional government, without capital stock, owned by its members who subscribe to a common fund. From this fund, claims, loans, etc., are paid. Profits after deductions are shared among the members. The institution is intended to provide a safe place for individual members to save and to invest those savings in mo

The Myanmar Investment Commission (Burmese: မြန်မာနိုင်ငံ ရင်းနှီးမြှုပ်နှံမှု ကော်မရှင်, abbreviated MIC) is a government-appointed body formerly under the Ministry of Investment and Foreign Economic Relations that appraises domestic investment proposals in Myanmar (Burma). The Myanmar Investment Commission is now under the Ministry of National Planning, Investment and Foreign Economic

A naked option or uncovered option is an options strategy where the options contract writer (i.e., the seller) does not hold the underlying asset to cover the contract in case of assignment (like in a covered option). Nor does the seller hold any option of the same class on the same underlying asset that could protect against potential losses (like in an options spread). A naked option i

The Namibian dollar (symbol: $ or N$; code: NAD) has been the currency of Namibia since 1993. It is normally abbreviated with the dollar sign ($), or alternatively N$ to distinguish it from other currencies called “dollar.” It is divided into 100 cents.

Narsimham Committee refers to two committees established by the Government of India in its first decade of economic liberalisation under the chairmanship of M. Narasimham. The first Committee, officially known as the Committee on Financial System (CFS), was established in August 1991. The report of the CSF was submitted to the Finance Minister in November 1991, and tabled in the Parliame

The National Academy of Customs, Indirect Taxes and Narcotics (NACIN) formerly known as National Academy of Customs, Excise and Narcotics (NACEN) is the apex civil service training institute of the Government of India for capacity building of civil servants in the field of indirect taxation, particularly the areas of Customs, GST, Central Excise, Service Tax and Narcotics Control Admin

National Automated Clearing House, introduced by National Payments Corporation of India, is a centralised clearing service that aims at providing interbank high volume, low value transactions that are repetitive and periodic in nature. Offering credit and debit service to corporates, banks, and financial institutions, the service, aimed at integrating all regional ECS into one National

National Financial Switch (NFS) is the largest network of shared automated teller machines (ATMs) in India. It was designed, developed and deployed by the Institute for Development and Research in Banking Technology (IDRBT) in 2004, with the goal of inter-connecting the ATMs in the country and facilitating convenience banking. It is run by the National Payments Corporation of India (NPCI

National Payments Corporation of India (NPCI) is an Indian public sector company that operates retail payments and settlement systems in India. The organization is an initiative of the Reserve Bank of India (RBI) and the Indian Banks' Association (IBA) under the provisions of the Payment and Settlement Systems Act, 2007, for creating a robust payment and settlement infrastructure in Indi

NEC Corporation (日本電気株式会社, Nippon Denki Kabushiki gaisha; an acronym for Nippon Electric Company) is a Japanese multinational conglomerate corporation headquartered at the NEC Supertower in Minato, Tokyo, Japan. It sells IT and network services, including cloud computing, artificial intelligence (AI), Internet of Things (IoT) platform, and telecommunications equipment and software to bus

The Nederlandsche Handel-Maatschappij N.V. (NHM, lit. 'Dutch Trade Society') was a Dutch trading and financial company, established in 1824, in The Hague by King William I to promote and develop trade, shipping and agriculture. For the next 140 years the NHM developed a large international branch network and increasingly engaged in banking operations. In 1964, it merged with Twentsche Ba

A negotiable instrument is a document guaranteeing the payment of a specific amount of money, either on demand, or at a set time, whose payer is usually named on the document. More specifically, it is a document contemplated by or consisting of a contract, which promises the payment of money without condition, which may be paid either on demand or at a future date. The term has different

The Nepalese rupee (Nepali: नेपाली रुपैयाँ; sign: रु; code: NPR) is the official currency and legal tender of Nepal. It is also sometimes informally abbreviated as N₨ or Re./Rs. Each rupee is subdivided into 100 paisa, although coins of lower denominations are rarely used today. It is issued and regulated by the Nepal Rastra Bank, the central bank of Nepal.

Net capital outflow (NCO) is the net flow of funds being invested abroad by a country during a certain period of time (usually a year). A positive NCO means that the country invests outside more than the world invests in it. NCO is one of two major ways of characterizing the nature of a country's financial and economic interaction with the other parts of the world (the other being the ba

Net volatility refers to the volatility implied by the price of an option spread trade involving two or more options. Essentially, it is the volatility at which the theoretical value of the spread trade matches the price quoted in the market, or, in other words, the implied volatility of the spread.

The New York City Department of Finance (DOF) is the revenue service, taxation agency and recorder of deeds of the government of New York City. Its Parking Violations Bureau is an administrative court that adjudicates parking violations, while its Sheriff's Office is the city's primary civil law enforcement agency. Thr current commissioner is Richard Lee, appointed by NYC Mayor Zohran Ma

A non-performing loan (NPL) or non-performing asset (NPA) is a bank loan that is subject to late repayment or is unlikely to be repaid by the borrower in full. Non-performing loans represent a major challenge for the banking sector, as they reduce profitability. They are often claimed to prevent banks from lending more to businesses and consumers, which in turn slows economic growth, alt

Nookazon () is a fan-made website that allows players of the 2020 video game Animal Crossing: New Horizons to trade and sell items in-game using their services. The website is named after Amazon, although it more closely resembles Craigslist and eBay.

Numismatics is the study or collection of currency, including coins, tokens, paper money, medals, and related objects.

The Office of Financial Research (OFR) is an independent bureau reporting to the United States Department of the Treasury. Created in the aftermath of the 2008 financial crisis, the OFR monitors and collects data to identify risks across the financial system.

The official cash rate (OCR) is the term used in Australia and New Zealand for the bank rate and is the rate of interest which the central bank charges on overnight loans between commercial banks. This allows the Reserve Bank of Australia and the Reserve Bank of New Zealand to adjust the interest rates that apply in each country's economy. The OCR cannot be changed by transactions betwee

An offshore financial centre (OFC) is defined as a "country or jurisdiction that provides financial services to nonresidents on a scale that is incommensurate with the size and the financing of its domestic economy."

Offshore investment is the keeping of money in a jurisdiction other than one's country of residence. Offshore jurisdictions are used to pay less tax in many countries by large and small-scale investors. Poorly regulated offshore domiciles have served historically as havens for tax evasion, money laundering, or to conceal or protect illegally acquired money from law enforcement in the inv

An offshore trust is a conventional trust that is formed under the laws of an offshore jurisdiction.

In financial services, open banking allows for financial data to be shared between banks and third-party service providers through the use of application programming interfaces (APIs). Traditionally, banks have kept customer financial data within their own closed systems. Open banking allows customers to share their financial information securely and electronically with other banks or ot

In financial markets, an option naming convention is a method of identifying which of many possible options is being quoted or traded.

In finance, the style or family of an option is the class into which the option falls, usually defined by the dates on which the option may be exercised. The vast majority of options are either European or American (style) options. These options—as well as others where the payoff is calculated similarly—are referred to as "vanilla options". Options where the payoff is calculated differe

In finance, the time value (TV) (extrinsic or instrumental value) of an option is the premium a rational investor would pay over its current exercise value (intrinsic value), based on the probability it will increase in value before expiry. For an American option this value is always greater than zero in a fair market, thus an option is always worth more than its current exercise value.

Option-adjusted spread (OAS) is the yield spread which has to be added to a benchmark yield curve to discount a security's payments to match its market price, using a dynamic pricing model that accounts for embedded options. OAS is hence model-dependent. This concept can be applied to a mortgage-backed security (MBS), or another bond with embedded options, or any other interest rate deri