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RSI Breakout Strategy

The RSI Breakout strategy looks for momentum bursts when the Relative Strength Index pushes beyond its typical range. By measuring RSI deviations from its moving average, the system aims to catch new trends as they begin.

Testing indicates an average annual return of about 88%. It performs best in the stocks market.

A long position is opened when RSI closes above the average plus Multiplier times the standard deviation. A short position is taken when RSI falls below the average minus that multiplier. Positions are closed once RSI crosses back through its average value.

Momentum traders may find this approach useful for identifying early breakouts while still maintaining defined exit levels. A stop-loss percentage protects against sudden reversals.

Details

  • Entry Criteria:
    • Long: RSI > Avg + Multiplier * StdDev
    • Short: RSI < Avg - Multiplier * StdDev
  • Long/Short: Both sides.
  • Exit Criteria:
    • Long: Exit when RSI < Avg
    • Short: Exit when RSI > Avg
  • Stops: Yes, percent stop-loss.
  • Default Values:
    • RsiPeriod = 14
    • AveragePeriod = 20
    • Multiplier = 2.0m
    • CandleType = TimeSpan.FromMinutes(5)
  • Filters:
    • Category: Breakout
    • Direction: Both
    • Indicators: RSI
    • Stops: Yes
    • Complexity: Intermediate
    • Timeframe: Intraday
    • Seasonality: No
    • Neural networks: No
    • Divergence: No
    • Risk Level: Medium
using System;
using System.Linq;
using System.Collections.Generic;

using Ecng.Common;
using Ecng.Collections;
using Ecng.Serialization;

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

namespace StockSharp.Samples.Strategies;

/// <summary>
/// RSI Breakout Strategy (247).
/// Enter when RSI breaks out above/below its average by a certain multiple of standard deviation.
/// Exit when RSI returns to its average.
/// </summary>
public class RsiBreakoutStrategy : Strategy
{
	private readonly StrategyParam<int> _rsiPeriod;
	private readonly StrategyParam<int> _averagePeriod;
	private readonly StrategyParam<decimal> _multiplier;
	private readonly StrategyParam<DataType> _candleType;

	private RelativeStrengthIndex _rsi;
	private SimpleMovingAverage _rsiAverage;
	private StandardDeviation _rsiStdDev;
	
	private decimal _prevRsiValue;
	private decimal _currentRsiValue;
	private decimal _currentRsiAvg;
	private decimal _currentRsiStdDev;

	/// <summary>
	/// RSI period.
	/// </summary>
	public int RsiPeriod
	{
		get => _rsiPeriod.Value;
		set => _rsiPeriod.Value = value;
	}

	/// <summary>
	/// Period for RSI average calculation.
	/// </summary>
	public int AveragePeriod
	{
		get => _averagePeriod.Value;
		set => _averagePeriod.Value = value;
	}

	/// <summary>
	/// Standard deviation multiplier for entry.
	/// </summary>
	public decimal Multiplier
	{
		get => _multiplier.Value;
		set => _multiplier.Value = value;
	}

	/// <summary>
	/// Type of candles to use.
	/// </summary>
	public DataType CandleType
	{
		get => _candleType.Value;
		set => _candleType.Value = value;
	}

	/// <summary>
	/// Initializes a new instance of the <see cref="RsiBreakoutStrategy"/>.
	/// </summary>
	public RsiBreakoutStrategy()
	{
		_rsiPeriod = Param(nameof(RsiPeriod), 14)
			.SetGreaterThanZero()
			.SetDisplay("RSI Period", "Period for RSI calculation", "Strategy Parameters")
			
			.SetOptimize(10, 20, 2);

		_averagePeriod = Param(nameof(AveragePeriod), 20)
			.SetGreaterThanZero()
			.SetDisplay("Average Period", "Period for RSI average calculation", "Strategy Parameters")
			
			.SetOptimize(10, 30, 5);

		_multiplier = Param(nameof(Multiplier), 2.0m)
			.SetGreaterThanZero()
			.SetDisplay("StdDev Multiplier", "Standard deviation multiplier for entry", "Strategy Parameters")
			
			.SetOptimize(1.0m, 3.0m, 0.5m);

		_candleType = Param(nameof(CandleType), TimeSpan.FromMinutes(5).TimeFrame())
			.SetDisplay("Candle Type", "Type of candles to use", "Strategy Parameters");
	}

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

		_prevRsiValue = default;
		_currentRsiValue = default;
		_currentRsiAvg = default;
		_currentRsiStdDev = default;
	}


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

		// Create indicators
		_rsi = new RelativeStrengthIndex { Length = RsiPeriod };
		_rsiAverage = new SMA { Length = AveragePeriod };
		_rsiStdDev = new StandardDeviation { Length = AveragePeriod };

		// Create candle subscription
		var subscription = SubscribeCandles(CandleType);

		// Bind RSI to candles
		subscription
			.Bind(_rsi, ProcessRsi)
			.Start();

		// Setup chart visualization if available
		var area = CreateChartArea();
		if (area != null)
		{
			DrawCandles(area, subscription);
			DrawIndicator(area, _rsi);
			DrawIndicator(area, _rsiAverage);
			DrawOwnTrades(area);
		}

		// Enable position protection
		StartProtection(
			takeProfit: new Unit(5, UnitTypes.Percent),
			stopLoss: new Unit(2, UnitTypes.Percent)
		);
	}

	private void ProcessRsi(ICandleMessage candle, decimal rsiValue)
	{
		if (candle.State != CandleStates.Finished)
			return;

		// Store previous and current RSI value
		_prevRsiValue = _currentRsiValue;
		_currentRsiValue = rsiValue;

		// Process RSI through average and standard deviation indicators
		var avgValue = _rsiAverage.Process(new DecimalIndicatorValue(_rsiAverage, rsiValue, candle.ServerTime) { IsFinal = true });
		var stdDevValue = _rsiStdDev.Process(new DecimalIndicatorValue(_rsiStdDev, rsiValue, candle.ServerTime) { IsFinal = true });
		
		_currentRsiAvg = avgValue.ToDecimal();
		_currentRsiStdDev = stdDevValue.ToDecimal();
		
		if (!_rsiAverage.IsFormed || !_rsiStdDev.IsFormed)
			return;

		// Calculate bands
		var upperBand = _currentRsiAvg + Multiplier * _currentRsiStdDev;
		var lowerBand = _currentRsiAvg - Multiplier * _currentRsiStdDev;

		LogInfo($"RSI: {_currentRsiValue}, RSI Avg: {_currentRsiAvg}, Upper: {upperBand}, Lower: {lowerBand}");

		// Entry logic - BREAKOUT
		if (Position == 0)
		{
			if (_currentRsiValue > upperBand)
			{
				BuyMarket();
			}
			else if (_currentRsiValue < lowerBand)
			{
				SellMarket();
			}
		}
	}
}