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Code: Select all

private double CalculateDailyNet()
{
    // Sum all trades closed during today's server date
    double closedNet = History
        .Where(t => t.ClosingTime.Date == Server.Time.Date)
        .Sum(t => t.NetProfit);

    // Sum all currently floating positions
    double floatingNet = Positions.Sum(p => p.NetProfit);

    return closedNet + floatingNet;
}

Code: Select all

private void ExecuteKillSwitch()
{
    if (_isLockedOut) return;
    
    _isLockedOut = true;
    Print($"Daily loss limit breached. Flattening account.");

    foreach (var position in Positions)
    {
        ClosePositionAsync(position);
    }

    foreach (var order in PendingOrders)
    {
        CancelPendingOrderAsync(order);
    }
}

Code: Select all

protected override void OnStart()
{
    // Hook into the position opened event
    Positions.Opened += OnPositionOpened;
}

private void OnPositionOpened(PositionOpenedEventArgs args)
{
    // If you try to manual trade while locked, the script instantly rejects it
    if (_isLockedOut)
    {
        Print("Trade rejected: Daily lockout is active.");
        ClosePositionAsync(args.Position);
    }
}

Code: Select all

private DateTime _currentSessionDate;

protected override void OnTick()
{
    // 1. Check for a new trading day to reset the lock
    if (Server.Time.Date > _currentSessionDate)
    {
        _isLockedOut = false;
        _currentSessionDate = Server.Time.Date;
        Print("New trading session. Lockout reset.");
    }

    // 2. If locked, ignore ticks
    if (_isLockedOut) return;

    // 3. Monitor floating state
    if (CalculateDailyNet() <= -MaxDailyLossThreshold)
    {
        ExecuteKillSwitch();
    }
}