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Trend Following Parabolic Buy Sell Strategy

Combines Parabolic SAR with moving average crossovers. Long entries occur when price is above a long trend SMA, the fast EMA crosses above the slow EMA, and SAR is bullish. Short entries use the opposite conditions. Stop loss is placed at the trend SMA and take profit uses a risk/reward ratio.

Details

  • Entry:
    • Long: price > trend SMA, fast EMA crosses above slow EMA, SAR bullish
    • Short: price < trend SMA, fast EMA crosses below slow EMA, SAR bearish
  • Exit:
    • stop at trend SMA
    • take profit = risk/reward * distance from entry to trend SMA
  • Indicators: Parabolic SAR, SMA, EMA
  • Timeframe: configurable
  • Type: Trend following
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>
/// Trend Following Parabolic Buy Sell strategy using EMA crossover.
/// </summary>
public class TrendFollowingParabolicBuySellStrategy : Strategy
{
	private readonly StrategyParam<int> _slowLength;
	private readonly StrategyParam<DataType> _candleType;

	public int SlowLength { get => _slowLength.Value; set => _slowLength.Value = value; }
	public DataType CandleType { get => _candleType.Value; set => _candleType.Value = value; }

	public TrendFollowingParabolicBuySellStrategy()
	{
		_slowLength = Param(nameof(SlowLength), 40)
			.SetGreaterThanZero()
			.SetDisplay("Slow Length", "Slow EMA period", "General");

		_candleType = Param(nameof(CandleType), TimeSpan.FromMinutes(5).TimeFrame())
			.SetDisplay("Candle Type", "Candle type", "General");
	}

	public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
		=> [(Security, CandleType)];

	protected override void OnStarted2(DateTime time)
	{
		base.OnStarted2(time);
		var fast = new ExponentialMovingAverage { Length = 14 };
		var slow = new ExponentialMovingAverage { Length = SlowLength };
		var prevF = 0m; var prevS = 0m; var init = false;
		var lastSignal = DateTimeOffset.MinValue;
		var cooldown = TimeSpan.FromMinutes(360);
		var subscription = SubscribeCandles(CandleType);
		subscription.Bind(fast, slow, (candle, f, s) =>
		{
			if (candle.State != CandleStates.Finished) return;
			if (!fast.IsFormed || !slow.IsFormed) return;
			if (!init) { prevF = f; prevS = s; init = true; return; }
			if (candle.OpenTime - lastSignal >= cooldown)
			{
				if (prevF <= prevS && f > s && Position <= 0) { BuyMarket(); lastSignal = candle.OpenTime; }
				else if (prevF >= prevS && f < s && Position >= 0) { SellMarket(); lastSignal = candle.OpenTime; }
			}
			prevF = f; prevS = s;
		}).Start();
		var area = CreateChartArea();
		if (area != null) { DrawCandles(area, subscription); DrawIndicator(area, fast); DrawIndicator(area, slow); DrawOwnTrades(area); }
	}
}