symbol

aiomql.lib.symbol — Trading instrument interface.

Overview

The Symbol class represents a financial instrument (forex pair, stock, etc.) and provides methods for querying market data, selecting symbols, and retrieving rates and ticks.

Inherits from _Base.

Classes

`Symbol`

Interface for a MetaTrader 5 trading instrument.

Attribute	Type	Description
`name`	`str`	Symbol name (e.g. `"EURUSD"`)
`select`	`bool`	Whether the symbol is selected in Market Watch

All SymbolInfo fields are available as instance attributes after initialisation.

Initialisation

Method	Description
`init()`	Fetches symbol info from the terminal and sets all attributes

Market Data

Method	Returns	Description
`info_tick()`	`Tick`	Current tick for the symbol
`copy_rates_from(timeframe, date_from, count)`	`Candles`	Historical bars from a date
`copy_rates_from_pos(timeframe, start_pos, count)`	`Candles`	Historical bars from a position
`copy_rates_range(timeframe, date_from, date_to)`	`Candles`	Historical bars in a range
`copy_ticks_from(date_from, count, flags)`	`Ticks`	Historical ticks from a date
`copy_ticks_range(date_from, date_to, flags)`	`Ticks`	Historical ticks in a range

Helpers

Property	Returns	Description
`pip`	`float`	The pip size for the symbol
`spread`	`float`	Current bid-ask spread

Synchronous API

Available in aiomql.lib.sync.symbol.

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