Español
Ver en GitHub

Estrategia Bollinger Volume

Estrategia que utiliza rupturas de las Bandas de Bollinger con confirmación de volumen. Entra en posiciones cuando el precio rompe por encima/debajo de las Bandas de Bollinger con mayor volumen.

Las pruebas indican un retorno anual promedio de aproximadamente 178%. Funciona mejor en el mercado de acciones.

Las bandas de Bollinger muestran la expansión de la volatilidad y el volumen confirma la ruptura. Las posiciones se toman cuando el precio cierra fuera de una banda con fuerte actividad.

Adecuado para operadores de rupturas que esperan continuación. Un stop basado en ATR mantiene las pérdidas manejables.

Detalles

  • Criterios de entrada:
    • Largo: Close > UpperBand && Volume > AvgVolume * VolumeMultiplier
    • Corto: Close < LowerBand && Volume > AvgVolume * VolumeMultiplier
  • Largo/Corto: Ambos
  • Criterios de salida:
    • El precio regresa a la banda media
  • Stops: Basado en ATR usando StopLossAtr
  • Valores predeterminados:
    • BollingerPeriod = 20
    • BollingerDeviation = 2.0m
    • VolumePeriod = 20
    • VolumeMultiplier = 1.5m
    • StopLossAtr = 2.0m
    • AtrPeriod = 14
    • CandleType = TimeSpan.FromMinutes(5).TimeFrame() AvgVolume es el volumen medio de las VolumePeriod velas anteriores. Una señal de entrada contra una posición abierta la invierte. El stop está a StopLossAtr ATR del cierre de entrada y se comprueba en los cierres de vela.
  • Filtros:
    • Categoría: Reversión a la media
    • Dirección: Ambos
    • Indicadores: Bollinger Bands, Volume
    • Stops: Sí
    • Complejidad: Intermedio
    • Marco temporal: Medio plazo
    • Estacionalidad: No
    • Redes neuronales: No
    • Divergencia: No
    • Nivel de riesgo: Medio
using System;
using System.Collections.Generic;
using System.Linq;

using Ecng.Common;

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

namespace StockSharp.Samples.Strategies;

/// <summary>
/// Bollinger Volume strategy.
/// A close above the upper band on a candle whose volume exceeds VolumeMultiplier times the average of the previous VolumePeriod candles
/// goes long, a close below the lower band on such volume goes short, reversing an opposite position. A long closes once price returns
/// to the middle band and a short likewise. The stop lies StopLossAtr ATR from the entry close and is checked on candle closes.
/// </summary>
public class BollingerVolumeStrategy : Strategy
{
	private readonly StrategyParam<int> _bollingerPeriod;
	private readonly StrategyParam<decimal> _bollingerDeviation;
	private readonly StrategyParam<int> _volumePeriod;
	private readonly StrategyParam<decimal> _volumeMultiplier;
	private readonly StrategyParam<decimal> _stopLossAtr;
	private readonly StrategyParam<int> _atrPeriod;
	private readonly StrategyParam<DataType> _candleType;

	private readonly List<decimal> _volumes = [];
	private decimal _stopPrice;

	/// <summary>
	/// Period of the Bollinger Bands.
	/// </summary>
	public int BollingerPeriod
	{
		get => _bollingerPeriod.Value;
		set => _bollingerPeriod.Value = value;
	}

	/// <summary>
	/// Standard deviation multiplier of the bands.
	/// </summary>
	public decimal BollingerDeviation
	{
		get => _bollingerDeviation.Value;
		set => _bollingerDeviation.Value = value;
	}

	/// <summary>
	/// Previous candles the volume is averaged over.
	/// </summary>
	public int VolumePeriod
	{
		get => _volumePeriod.Value;
		set => _volumePeriod.Value = value;
	}

	/// <summary>
	/// How many times the average volume a candle must exceed.
	/// </summary>
	public decimal VolumeMultiplier
	{
		get => _volumeMultiplier.Value;
		set => _volumeMultiplier.Value = value;
	}

	/// <summary>
	/// Stop distance from the entry in ATRs.
	/// </summary>
	public decimal StopLossAtr
	{
		get => _stopLossAtr.Value;
		set => _stopLossAtr.Value = value;
	}

	/// <summary>
	/// Period of the stop ATR.
	/// </summary>
	public int AtrPeriod
	{
		get => _atrPeriod.Value;
		set => _atrPeriod.Value = value;
	}

	/// <summary>
	/// Candle type.
	/// </summary>
	public DataType CandleType
	{
		get => _candleType.Value;
		set => _candleType.Value = value;
	}

	/// <summary>
	/// Constructor.
	/// </summary>
	public BollingerVolumeStrategy()
	{
		_bollingerPeriod = Param(nameof(BollingerPeriod), 20)
			.SetGreaterThanZero()
			.SetDisplay("Bollinger Period", "Period of the Bollinger Bands", "Indicators");

		_bollingerDeviation = Param(nameof(BollingerDeviation), 2m)
			.SetGreaterThanZero()
			.SetDisplay("Bollinger Deviation", "Standard deviation multiplier of the bands", "Indicators");

		_volumePeriod = Param(nameof(VolumePeriod), 20)
			.SetGreaterThanZero()
			.SetDisplay("Volume Period", "Previous candles the volume is averaged over", "Indicators");

		_volumeMultiplier = Param(nameof(VolumeMultiplier), 1.5m)
			.SetGreaterThanZero()
			.SetDisplay("Volume Multiplier", "How many times the average volume a candle must exceed", "Indicators");

		_stopLossAtr = Param(nameof(StopLossAtr), 2m)
			.SetNotNegative()
			.SetDisplay("Stop Loss ATR", "Stop distance from the entry in ATRs", "Risk");

		_atrPeriod = Param(nameof(AtrPeriod), 14)
			.SetGreaterThanZero()
			.SetDisplay("ATR Period", "Period of the stop ATR", "Risk");

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

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

	/// <inheritdoc />
	protected override void OnReseted()
	{
		base.OnReseted();
		_volumes.Clear();
		_stopPrice = default;
	}

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

		_volumes.Clear();
		_stopPrice = default;

		var bollinger = new BollingerBands { Length = BollingerPeriod, Width = BollingerDeviation };
		var atr = new AverageTrueRange { Length = AtrPeriod };

		var subscription = SubscribeCandles(CandleType);
		subscription
			.BindEx(bollinger, atr, ProcessCandle)
			.Start();

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

	private void ProcessCandle(ICandleMessage candle, IIndicatorValue bollingerValue, IIndicatorValue atrValue)
	{
		if (candle.State != CandleStates.Finished)
			return;

		// Volume is compared with the candles before this one.
		var average = _volumes.Count == VolumePeriod ? _volumes.Average() : (decimal?)null;

		_volumes.Add(candle.TotalVolume);

		if (_volumes.Count > VolumePeriod)
			_volumes.RemoveAt(0);

		if (!bollingerValue.IsFormed || !atrValue.IsFormed || average is not decimal avgVolume)
			return;

		var bands = (BollingerBandsValue)bollingerValue;

		if (bands.UpBand is not decimal upper || bands.LowBand is not decimal lower || bands.MovingAverage is not decimal middle)
			return;

		if (!IsFormedAndOnlineAndAllowTrading())
			return;

		var atr = atrValue.GetValue<decimal>();
		var close = candle.ClosePrice;
		var surge = candle.TotalVolume > avgVolume * VolumeMultiplier;

		if (close > upper && surge && Position <= 0)
		{
			BuyMarket(Volume + Math.Abs(Position));
			_stopPrice = close - StopLossAtr * atr;
		}
		else if (close < lower && surge && Position >= 0)
		{
			SellMarket(Volume + Math.Abs(Position));
			_stopPrice = close + StopLossAtr * atr;
		}
		else if (Position > 0 && (close <= middle || (StopLossAtr > 0 && close <= _stopPrice)))
		{
			SellMarket(Position);
		}
		else if (Position < 0 && (close >= middle || (StopLossAtr > 0 && close >= _stopPrice)))
		{
			BuyMarket(-Position);
		}
	}
}