The collection of all relevant trading information for financial instruments, including bid/ask quotes, last traded prices, and volume. Market data is the bread and butter of trading systems. It is often delivered via data feeds. As one source explains, “Market data is the totality” of price and volume information, and “market data feeds are the method by which that data is delivered to market participants”. Forex robots consume market data (from exchanges, brokers, or data vendors) as the basis for generating signals and making trading decisions.

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