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Parabolic SAR Early Buy MA Exit策略

该策略利用Parabolic SAR的反转信号进行交易，当SAR翻到价格上方且收盘价低于MaPeriod期的移动平均线时，提前平掉多头头寸。

细节

  • 入场条件：
    • 价格与Parabolic SAR发生交叉。
  • 方向：多头和空头。
  • 出场条件：
    • 多头：SAR高于价格且收盘价低于MA (MaPeriod)。
    • 空头：相反的SAR交叉（由入场逻辑处理）。
  • 止损：无。
  • 默认参数：
    • SarStart = 0.02
    • SarIncrement = 0.02
    • SarMax = 0.2
    • MaPeriod = 11
  • 过滤器：
    • 类型：趋势跟随
    • 方向：多空
    • 指标：Parabolic SAR, SMA
    • 止损：无
    • 复杂度：低
    • 时间框架：任意
    • 季节性：否
    • 神经网络：否
    • 背离：否
    • 风险等级：低
using System;

using Ecng.Common;

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

namespace StockSharp.Samples.Strategies;

/// <summary>
/// EMA crossover strategy with MA exit filter.
/// </summary>
public class ParabolicSarEarlyBuyMaExitStrategy : Strategy
{
	private readonly StrategyParam<int> _maPeriod;
	private readonly StrategyParam<DataType> _candleType;

	public int MaPeriod { get => _maPeriod.Value; set => _maPeriod.Value = value; }
	public DataType CandleType { get => _candleType.Value; set => _candleType.Value = value; }

	public ParabolicSarEarlyBuyMaExitStrategy()
	{
		_maPeriod = Param(nameof(MaPeriod), 40).SetGreaterThanZero();
		_candleType = Param(nameof(CandleType), TimeSpan.FromMinutes(5).TimeFrame());
	}

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

		var fast = new ExponentialMovingAverage { Length = 14 };
		var slow = new ExponentialMovingAverage { Length = MaPeriod };
		var rsi = new RelativeStrengthIndex { Length = 14 };

		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, rsi, (candle, f, s, r) =>
			{
				if (candle.State != CandleStates.Finished)
					return;

				if (!fast.IsFormed || !slow.IsFormed || !rsi.IsFormed)
					return;

				if (!init)
				{
					prevF = f;
					prevS = s;
					init = true;
					return;
				}

				if (candle.OpenTime - lastSignal >= cooldown)
				{
					if (prevF <= prevS && f > s && r > 50 && Position <= 0)
					{
						BuyMarket();
						lastSignal = candle.OpenTime;
					}
					else if (prevF >= prevS && f < s && r < 50 && 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);
		}
	}
}