void OnTick()
{
    static double lastHigh = 0.0;
    static double lastLow = 0.0;
    static double trailingStop = 0.0;
    static bool reversed = false;

    double currentHigh, currentLow;
    double point = SymbolInfoDouble(_Symbol, SYMBOL_POINT);
    double reverseLevel = 500 * point;

    if (!CopyHigh(_Symbol, 0, 1, 1, currentHigh) || !CopyLow(_Symbol, 0, 1, 1, currentLow))
    {
        Print("Error copying high/low prices");
        return;
    }

    if (!reversed)
    {
        if (lastHigh == 0.0 || currentHigh > lastHigh)
        {
            lastHigh = currentHigh;
            trailingStop = lastHigh - reverseLevel;
        }

        if (lastLow == 0.0 || currentLow < lastLow)
        {
            lastLow = currentLow;
            trailingStop = lastLow + reverseLevel;
        }

        double currentPrice = NormalizeDouble(SymbolInfoDouble(_Symbol, SYMBOL_BID), Digits);
        double stopLoss = NormalizeDouble(trailingStop, Digits);

        if (currentPrice >= stopLoss)
        {
            // Place reverse trade logic here
            // For example:
            // OrderSend(Symbol(), OP_BUY, 1.0, currentPrice, 3, 0, 0, "Reverse Trade", 0, 0, Green);

            // Reset variables
            lastHigh = 0.0;
            lastLow = 0.0;
            trailingStop = 0.0;
            reversed = true;
        }
    }
    else
    {
        // Add logic for managing the reverse trade
        // This could include setting a take profit or trailing stop for the reverse trade
    }
}