INNER CODE UNIT · Python

get_ohlcv_history

flukelaster/ai-trading-agent · mt5_bridge/main.py:432

async def get_ohlcv_history(symbol: str, timeframe: str = "M15", from_date: str = "", to_date: str = ""):
    """Get historical OHLCV data by date range. Returns up to 50000 bars."""
    if not ensure_connected():
        return mt5_response(False, error="MT5 not connected")
    tf = TIMEFRAMES.get(timeframe.upper())
    if tf is None:
        return mt5_response(False, error=f"Invalid timeframe: {timeframe}")
    try:
        dt_from = datetime.fromisoformat(from_date)
        dt_to = datetime.fromisoformat(to_date)
    except (ValueError, TypeError):
        return mt5_response(False, error="Invalid date format. Use ISO format: YYYY-MM-DD")

    rates = mt5.copy_rates_range(symbol, tf, dt_from, dt_to)
    if rates is None or len(rates) == 0:
        return mt5_response(False, error=f"No OHLCV data for {symbol} in range")
    data = []
    for r in rates:

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