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平均高低レンジ IBS リバーサル戦略

この戦略は、価格が平均高低レンジから導出された動的な閾値を下回った後に平均回帰を狙います。バーのレンジの移動平均、観測期間における最高値と最低値を計算します。買い閾値は最高値から平均レンジの2.5倍を引いた値として定義されます。価格が指定されたバー数だけこのレベルを下回り、取引ウィンドウ内でバー内強度（IBS）が所定の限界を下回ったとき、ロングポジションが建てられます。終値が前のバーの高値を超えた場合、ポジションが決済されます。

詳細

  • エントリー条件:
    • 価格が BarsBelowThreshold バルの間、買い閾値を下回り続けた。
    • IBS < IbsBuyThreshold。
    • StartTime と EndTime の間の時刻。
  • ロング/ショート: ロングのみ。
  • エグジット条件:
    • 終値が前のバーの高値を超える。
  • ストップ: なし。
  • デフォルト値:
    • Length = 20
    • BarsBelowThreshold = 2
    • IbsBuyThreshold = 0.2
  • フィルター:
    • カテゴリ: 平均回帰
    • 方向: ロング
    • インジケーター: SMA, Highest, Lowest
    • ストップ: いいえ
    • 複雑さ: 低
    • 時間軸: 任意
    • 季節性: いいえ
    • ニューラルネットワーク: いいえ
    • ダイバージェンス: いいえ
    • リスクレベル: 低
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>
/// Average high-low range IBS reversal strategy.
/// The buy threshold is the highest high of the last Length candles minus 2.5 times the SMA of the candle range over Length
/// candles. When the close has stayed below that threshold for BarsBelowThreshold consecutive candles and the internal bar
/// strength (close - low) / (high - low) is below IbsBuyThreshold, a long opens, provided the candle lies between StartTime and
/// EndTime. The long closes when a close exceeds the previous candle's high. Long only.
/// </summary>
public class AverageHighLowRangeIbsReversalStrategy : Strategy
{
	private const decimal _rangeMultiplier = 2.5m;

	private readonly StrategyParam<int> _length;
	private readonly StrategyParam<int> _barsBelowThreshold;
	private readonly StrategyParam<decimal> _ibsBuyThreshold;
	private readonly StrategyParam<DateTime> _startTime;
	private readonly StrategyParam<DateTime> _endTime;
	private readonly StrategyParam<DataType> _candleType;

	private SimpleMovingAverage _rangeAverage;
	private int _barsBelow;
	private decimal? _prevHigh;

	/// <summary>
	/// Lookback of the range average and the highest high.
	/// </summary>
	public int Length
	{
		get => _length.Value;
		set => _length.Value = value;
	}

	/// <summary>
	/// Consecutive closes below the threshold required for an entry.
	/// </summary>
	public int BarsBelowThreshold
	{
		get => _barsBelowThreshold.Value;
		set => _barsBelowThreshold.Value = value;
	}

	/// <summary>
	/// Maximum internal bar strength for an entry.
	/// </summary>
	public decimal IbsBuyThreshold
	{
		get => _ibsBuyThreshold.Value;
		set => _ibsBuyThreshold.Value = value;
	}

	/// <summary>
	/// Start of the trading window.
	/// </summary>
	public DateTime StartTime
	{
		get => _startTime.Value;
		set => _startTime.Value = value;
	}

	/// <summary>
	/// End of the trading window.
	/// </summary>
	public DateTime EndTime
	{
		get => _endTime.Value;
		set => _endTime.Value = value;
	}

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

	/// <summary>
	/// Constructor.
	/// </summary>
	public AverageHighLowRangeIbsReversalStrategy()
	{
		_length = Param(nameof(Length), 20)
			.SetGreaterThanZero()
			.SetDisplay("Length", "Lookback of the range average and the highest high", "Indicators");

		_barsBelowThreshold = Param(nameof(BarsBelowThreshold), 2)
			.SetGreaterThanZero()
			.SetDisplay("Bars Below Threshold", "Consecutive closes below the threshold required for an entry", "Signals");

		_ibsBuyThreshold = Param(nameof(IbsBuyThreshold), 0.2m)
			.SetDisplay("IBS Buy Threshold", "Maximum internal bar strength for an entry", "Signals");

		_startTime = Param(nameof(StartTime), new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc))
			.SetDisplay("Start Time", "Start of the trading window", "Time");

		_endTime = Param(nameof(EndTime), new DateTime(2100, 1, 1, 0, 0, 0, DateTimeKind.Utc))
			.SetDisplay("End Time", "End of the trading window", "Time");

		_candleType = Param(nameof(CandleType), TimeSpan.FromMinutes(1).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();
		_rangeAverage = null;
		_barsBelow = 0;
		_prevHigh = null;
	}

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

		_barsBelow = 0;
		_prevHigh = null;

		var highest = new Highest { Length = Length };
		_rangeAverage = new SimpleMovingAverage { Length = Length };

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

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

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

		var range = candle.HighPrice - candle.LowPrice;
		var averageRange = _rangeAverage.Process(range, candle.ServerTime, true).ToDecimal();

		var prevHigh = _prevHigh;
		_prevHigh = candle.HighPrice;

		if (!_rangeAverage.IsFormed)
			return;

		var close = candle.ClosePrice;
		var threshold = highest - _rangeMultiplier * averageRange;
		_barsBelow = close < threshold ? _barsBelow + 1 : 0;

		if (!IsFormedAndOnlineAndAllowTrading())
			return;

		if (Position > 0)
		{
			if (prevHigh is decimal ph && close > ph)
				SellMarket(Position);

			return;
		}

		var ibs = range > 0m ? (close - candle.LowPrice) / range : 0.5m;
		var inWindow = candle.OpenTime >= StartTime && candle.OpenTime <= EndTime;

		if (Position == 0 && inWindow && _barsBelow >= BarsBelowThreshold && ibs < IbsBuyThreshold)
			BuyMarket(Volume);
	}
}