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Exp Multitrend Signal KVN Strategy

该策略实现了 MultiTrend Signal KVN 概念。它利用平均趋向指数（ADX）构建自适应价格通道。当价格收盘高于通道上轨时，策略做多；当价格收盘低于下轨时，策略做空。

通道宽度由参数 K 控制，为最近高低点振幅的百分比。KPeriod 设定基础回溯长度，ADX 值根据市场趋势强度调整实际窗口。参数 KStop 乘以平均波动并加到突破价，用于计算止损距离。

策略可同时交易多头和空头，默认使用4小时周期。策略本身不设置固定止盈止损，可通过平台的保护机制启用。

细节

  • 入场条件：
    • 做多：收盘价突破自适应通道上轨。
    • 做空：收盘价跌破自适应通道下轨。
  • 多空方向：双向。
  • 出场条件：
    • 反向信号。
  • 止损：可选，通过策略保护。
  • 默认值：
    • K = 48
    • KStop = 0.5
    • KPeriod = 150
    • AdxPeriod = 14
    • K线类型 = 4小时
  • 过滤：
    • 类别：趋势跟随
    • 方向：双向
    • 指标：ADX, SMA, Max/Min
    • 止损：可选
    • 复杂度：中等
    • 时间框架：中期
    • 季节性：无
    • 神经网络：无
    • 背离：无
    • 风险等级：中等
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>
/// Strategy based on the MultiTrend Signal indicator.
/// Builds an adaptive channel using Highest/Lowest and trades breakouts.
/// </summary>
public class ExpMultitrendSignalKvnStrategy : Strategy
{
	private readonly StrategyParam<decimal> _k;
	private readonly StrategyParam<int> _kPeriod;
	private readonly StrategyParam<decimal> _stopLossPct;
	private readonly StrategyParam<decimal> _takeProfitPct;
	private readonly StrategyParam<DataType> _candleType;

	private Highest _maxHigh;
	private Lowest _minLow;
	private int _trend;

	public decimal K
	{
		get => _k.Value;
		set => _k.Value = value;
	}

	public int KPeriod
	{
		get => _kPeriod.Value;
		set => _kPeriod.Value = value;
	}

	public decimal StopLossPct
	{
		get => _stopLossPct.Value;
		set => _stopLossPct.Value = value;
	}

	public decimal TakeProfitPct
	{
		get => _takeProfitPct.Value;
		set => _takeProfitPct.Value = value;
	}

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

	public ExpMultitrendSignalKvnStrategy()
	{
		_k = Param(nameof(K), 10m)
			.SetDisplay("K", "Percent of swing used for channel width", "Indicator");

		_kPeriod = Param(nameof(KPeriod), 20)
			.SetDisplay("K Period", "Base period for swing calculation", "Indicator")
			.SetGreaterThanZero();

		_stopLossPct = Param(nameof(StopLossPct), 2m)
			.SetDisplay("Stop Loss %", "Stop loss percentage", "Risk");

		_takeProfitPct = Param(nameof(TakeProfitPct), 3m)
			.SetDisplay("Take Profit %", "Take profit percentage", "Risk");

		_candleType = Param(nameof(CandleType), TimeSpan.FromHours(4).TimeFrame())
			.SetDisplay("Candle Type", "Type of candles for calculation", "General");
	}

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

	/// <inheritdoc />
	protected override void OnReseted()
	{
		base.OnReseted();
		_maxHigh = default;
		_minLow = default;
		_trend = 0;
	}

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

		_maxHigh = new Highest { Length = KPeriod };
		_minLow = new Lowest { Length = KPeriod };

		Indicators.Add(_maxHigh);
		Indicators.Add(_minLow);

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

		StartProtection(
			takeProfit: new Unit(TakeProfitPct, UnitTypes.Percent),
			stopLoss: new Unit(StopLossPct, UnitTypes.Percent),
			useMarketOrders: true);

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

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

		var maxResult = _maxHigh.Process(candle);
		var minResult = _minLow.Process(candle);

		if (!maxResult.IsFormed || !minResult.IsFormed)
			return;

		if (!IsFormedAndOnlineAndAllowTrading())
			return;

		var ssMax = maxResult.ToDecimal();
		var ssMin = minResult.ToDecimal();

		var swing = (ssMax - ssMin) * K / 100m;
		var smin = ssMin + swing;
		var smax = ssMax - swing;

		if (candle.ClosePrice > smax)
		{
			if (_trend <= 0 && Position <= 0)
			{
				if (Position < 0) BuyMarket();
				BuyMarket();
			}
			_trend = 1;
		}
		else if (candle.ClosePrice < smin)
		{
			if (_trend >= 0 && Position >= 0)
			{
				if (Position > 0) SellMarket();
				SellMarket();
			}
			_trend = -1;
		}
	}
}