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Color Zerolag JJRSX Strategy

This strategy replicates the logic of the ColorZerolagJJRSX MetaTrader expert. It uses two smoothed RSI oscillators to approximate the original ColorZerolagJJRSX indicator. The fast and slow lines cross to generate trading signals.

How It Works

  • When the fast oscillator crosses below the slow oscillator, the strategy closes any short position and optionally opens a new long position.
  • When the fast oscillator crosses above the slow oscillator, the strategy closes any long position and optionally opens a new short position.
  • Protective stop-loss and take-profit levels are applied using the built-in StartProtection mechanism.

Parameters

Name Description
FastPeriod Period of the fast JJRSX line.
SlowPeriod Period of the slow JJRSX line.
BuyOpen Allow opening long positions.
SellOpen Allow opening short positions.
BuyClose Close existing long positions on opposite signal.
SellClose Close existing short positions on opposite signal.
StopLoss Stop-loss level in price units.
TakeProfit Take-profit level in price units.
CandleType Time frame used for calculations.

Notes

  • The implementation uses built-in indicators and high-level Bind API.
  • Volume is taken from the strategy's Volume property.
  • No Python version is provided for this strategy.

References

Original MQL source located in MQL/13854 within this repository.

using System;
using System.Collections.Generic;

using Ecng.Common;

using StockSharp.Algo.Indicators;
using StockSharp.Algo.Strategies;
using StockSharp.BusinessEntities;
using StockSharp.Messages;

namespace StockSharp.Samples.Strategies;

/// <summary>
/// Strategy based on crossing of two RSI lines (fast and slow).
/// </summary>
public class ColorZerolagJjrsxStrategy : Strategy
{
	private readonly StrategyParam<int> _fastPeriod;
	private readonly StrategyParam<int> _slowPeriod;
	private readonly StrategyParam<decimal> _stopLossPct;
	private readonly StrategyParam<decimal> _takeProfitPct;
	private readonly StrategyParam<DataType> _candleType;

	private decimal? _prevFast;
	private decimal? _prevSlow;

	public int FastPeriod { get => _fastPeriod.Value; set => _fastPeriod.Value = value; }
	public int SlowPeriod { get => _slowPeriod.Value; set => _slowPeriod.Value = value; }
	public decimal StopLossPct { get => _stopLossPct.Value; set => _stopLossPct.Value = value; }
	public decimal TakeProfitPct { get => _takeProfitPct.Value; set => _takeProfitPct.Value = value; }
	public DataType CandleType { get => _candleType.Value; set => _candleType.Value = value; }

	public ColorZerolagJjrsxStrategy()
	{
		_fastPeriod = Param(nameof(FastPeriod), 8)
			.SetGreaterThanZero()
			.SetDisplay("Fast Period", "Fast RSI period", "Indicator");

		_slowPeriod = Param(nameof(SlowPeriod), 21)
			.SetGreaterThanZero()
			.SetDisplay("Slow Period", "Slow RSI period", "Indicator");

		_stopLossPct = Param(nameof(StopLossPct), 2m)
			.SetDisplay("Stop Loss %", "Stop loss percentage", "Risk");

		_takeProfitPct = Param(nameof(TakeProfitPct), 3m)
			.SetDisplay("Take Profit %", "Take profit percentage", "Risk");

		_candleType = Param(nameof(CandleType), TimeSpan.FromHours(4).TimeFrame())
			.SetDisplay("Candle Type", "Time frame for indicator", "General");
	}

	/// <inheritdoc />
	public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
	{
		return [(Security, CandleType)];
	}

	/// <inheritdoc />
	protected override void OnReseted()
	{
		base.OnReseted();
		_prevFast = null;
		_prevSlow = null;
	}

	/// <inheritdoc />
	protected override void OnStarted2(DateTime time)
	{
		base.OnStarted2(time);

		var fastRsi = new RelativeStrengthIndex { Length = FastPeriod };
		var slowRsi = new RelativeStrengthIndex { Length = SlowPeriod };

		StartProtection(
			takeProfit: new Unit(TakeProfitPct, UnitTypes.Percent),
			stopLoss: new Unit(StopLossPct, UnitTypes.Percent),
			useMarketOrders: true);

		var subscription = SubscribeCandles(CandleType);
		subscription
			.Bind(fastRsi, slowRsi, ProcessCandle)
			.Start();

		var area = CreateChartArea();
		if (area != null)
		{
			DrawCandles(area, subscription);
			DrawIndicator(area, fastRsi);
			DrawIndicator(area, slowRsi);
			DrawOwnTrades(area);
		}
	}

	private void ProcessCandle(ICandleMessage candle, decimal fast, decimal slow)
	{
		if (candle.State != CandleStates.Finished)
			return;

		if (_prevFast is null || _prevSlow is null)
		{
			_prevFast = fast;
			_prevSlow = slow;
			return;
		}

		var crossDown = _prevFast > _prevSlow && fast < slow;
		var crossUp = _prevFast < _prevSlow && fast > slow;

		if (crossDown && Position <= 0)
		{
			if (Position < 0) BuyMarket();
			BuyMarket();
		}
		else if (crossUp && Position >= 0)
		{
			if (Position > 0) SellMarket();
			SellMarket();
		}

		_prevFast = fast;
		_prevSlow = slow;
	}
}