MQL4 Reference MQL5 features MQL5 functions Market Info

MQL4 Help as One File:

Getting Market Information

These are functions intended for receiving information about the market state.

Function	Action
SymbolsTotal	Returns the number of available (selected in Market Watch or all) symbols
SymbolExist	Checks if a symbol with a specified name exists
SymbolName	Returns the name of a specified symbol
SymbolSelect	Selects a symbol in the Market Watch window or removes a symbol from the window
SymbolIsSynchronized	Checks whether data of a selected symbol in the terminal are synchronized with data on the trade server
SymbolInfoDouble	Returns the double value of the symbol for the corresponding property
SymbolInfoInteger	Returns a value of an integer type (long, datetime, int or bool) of a specified symbol for the corresponding property
SymbolInfoString	Returns a value of the string type of a specified symbol for the corresponding property
SymbolInfoMarginRate	Returns the margin rates depending on the order type and direction
SymbolInfoTick	Returns the current prices for the specified symbol in a variable of the MqlTick type
SymbolInfoSessionQuote	Allows receiving time of beginning and end of the specified quoting sessions for a specified symbol and day of week.
SymbolInfoSessionTrade	Allows receiving time of beginning and end of the specified trading sessions for a specified symbol and day of week.
MarketBookAdd	Provides opening of Depth of Market for a selected symbol, and subscribes for receiving notifications of the DOM changes
MarketBookRelease	Provides closing of Depth of Market for a selected symbol, and cancels the subscription for receiving notifications of the DOM changes
MarketBookGet	Returns a structure array MqlBookInfo containing records of the Depth of Market of a specified symbol

Event HandlingEconomic Calendar