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Industry WIKI

Digital assets and currencies

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

Trading basics

Bid–ask spread

The bid–ask spread (also bid–offer or bid/ask and buy/sell in the case of a market maker) is the difference between the prices quoted (either by a single market maker or in a limit order book) for an immediate sale (ask) and an immediate purchase (bid) for stocks, futures contracts, options, or currency pairs in some auction scenario. The size of the bid–ask spread in a security is one m

Finance

Constant function market maker

Constant-function market makers (CFMM) are a paradigm in the design of trading venues where a trading function and a set of rules determine how liquidity takers (LTs) and liquidity providers (LPs) interact, and how markets are cleared. The trading function is deterministic and known to all market participants.

Fiat currencies

Matchbook FX

Matchbook FX was an Internet-based electronic communication network ("ECN" or Electronic Trading Network) for trading currency online in the Spot-FX or foreign exchange market. It operated between 1999 and 2002.

Finance

Order (exchange)

An order is an instruction to buy or sell on a trading venue such as a stock market, bond market, commodity market, financial derivative market or cryptocurrency exchange. These instructions can be simple or complicated, and can be sent to either a broker or directly to a trading venue via direct market access. There are some standard instructions for such orders.

Trading basics

Prediction market

Prediction markets, also known as betting markets, information markets, decision markets, idea futures, or event derivatives, are open markets that enable the prediction of specific outcomes using financial incentives. They are exchange-traded markets established for trading bets in the outcome of various events.