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RSI RFTL 策略
该策略将 MetaTrader 5 的 RSI RFTL EA 迁移到 StockSharp 的高级 API。核心思想仍然是利用 RSI 的摆动高低点绘制趋势线,并借助 Recursive Filter Trend Line(RFTL)做方向过滤。实现过程中保留了原始智能交易系统的逐棒判断,同时采用 StrategyParam、蜡烛订阅和指标绑定等 StockSharp 原生组件。
工作机制
- RSI 摆动识别 – 扫描最近 500 个 RSI 值以寻找局部高点和低点。高点必须先后突破 40 和 60,低点必须跌破 60 和 40,与原始 MQL 判定一致。
- 趋势线投射 – 找到两处有效的高点或低点后,通过它们构建 RSI 趋势线,并将该直线外推到当前和上一根柱子。若中间出现突破 40/60 的摆动,趋势线立即失效。
- RFTL 过滤 – 计算出的 RFTL(使用原始系数表)上一根柱子的取值需高于上一根收盘价才能做空,或低于收盘价才能做多,从而保证顺势进入。
- 入场门槛 – RSI 还必须保持在合适的区间:做空需要 RSI 维持在 47/50 以上,做多要求 RSI 处于 55/50 以下。
- 风险控制 – 止损、止盈和追踪止损均以点(pip)为单位,并在每根收盘柱上更新,完全复刻 MQL 中的修改逻辑。额外的保护在 RSI 突破 70(平多)或跌破 30(平空)时触发。
入场条件
- 做空信号
- 两个 RSI 低点低于 60/40,形成的上升趋势线在当前柱被向下突破(
RSI[1] < 线,RSI[2] > 线(上一柱))。
- RFTL 的前值高于上一根收盘价,确认下行压力。
- RSI 保持在多头区间(
RSI[2] > 50,RSI[0] > 47),且检测到的顶部比底部更早出现(pos₂ > pos₄)。
- 做多信号
- 两个 RSI 高点高于 40/60,形成的下降趋势线被向上突破(
RSI[1] > 线,RSI[2] < 线(上一柱))。
- RFTL 的前值低于上一根收盘价。
- RSI 位于空头区域(
RSI[2] < 50,RSI[0] < 55),并且最近的底部比顶部更近(pos₄ > pos₂)。
只有在所有指标形成且积累到足够历史数据之后才会评估这些信号,避免基于不完整信息下单。
风险管理
- 止损 / 止盈 – 以点数配置。当当前蜡烛触及相应价格时立即平仓,并重置追踪状态。
- 追踪止损 – 可选功能。当浮盈超过
TrailingStopPips + TrailingStepPips 时,追踪止损开始跟随收盘价,并在每次价格至少额外推进 TrailingStepPips 点后才再次收紧。
- RSI 紧急退出 – RSI 超过 70 时平掉多单,低于 30 时平掉空单,保持与原版 EA 一致。
参数
| 参数 |
默认值 |
说明 |
CandleType |
1 小时 |
计算 RSI 与 RFTL 所用的周期。 |
TradeVolume |
1 |
每次开仓的下单手数。 |
RsiPeriod |
30 |
RSI 的回溯长度。 |
StopLossPips |
50 |
止损距离(点),0 表示禁用。 |
TakeProfitPips |
50 |
止盈距离(点),0 表示禁用。 |
TrailingStopPips |
5 |
追踪止损的基准距离,0 表示关闭。 |
TrailingStepPips |
5 |
每次收紧追踪止损所需的额外点数。 |
所有距离都会乘以品种的 PriceStep,从而与 MQL 中的点值处理保持一致。
使用步骤
- 将策略连接到目标标的,并把
CandleType 设置为与你在 MetaTrader 中测试的周期一致。
- 调整风险参数(止损、止盈、追踪止损),填入对应的点数;设置为
0 可关闭该保护。
- 启动策略,系统会自动订阅蜡烛、计算 RSI 与 RFTL,并在积累足够历史后开始评估信号。
- 关注图表输出:价格区域会绘制蜡烛与 RFTL 线,第二个窗口展示 RSI 振荡器。
注意事项与差异
- RFTL 指标直接用 C# 实现,并使用原始系数,无需额外文件。
- 策略仅维护单一头寸,会在多头、空头与空仓之间切换,与原始 EA 的单魔术号逻辑一致。
- 由于 StockSharp 不会自动执行 MT5 的服务器端止损,本策略在内部模拟保护性退出,并在该柱上跳过重新入场,以获得更安全的近似行为。
- 历史缓存限制为 600 条记录,与源代码中的 500 元素数组规模接近,同时避免内存无限增长。
- 所有代码注释均为英文,并符合 StockSharp 高级 API 的风格指南。
namespace StockSharp.Samples.Strategies;
using System;
using System.Collections.Generic;
using Ecng.Common;
using StockSharp.Algo.Indicators;
using StockSharp.Algo.Strategies;
using StockSharp.BusinessEntities;
using StockSharp.Messages;
/// <summary>
/// RSI-based trend strategy with a simple recursive filter (EMA) as trend confirmation.
/// Buys when RSI crosses above oversold level and EMA confirms uptrend.
/// Sells when RSI crosses below overbought level and EMA confirms downtrend.
/// </summary>
public class RsiRftlStrategy : Strategy
{
private readonly StrategyParam<int> _rsiPeriod;
private readonly StrategyParam<int> _emaPeriod;
private readonly StrategyParam<decimal> _overbought;
private readonly StrategyParam<decimal> _oversold;
private RelativeStrengthIndex _rsi;
private ExponentialMovingAverage _ema;
private decimal _prevRsi;
private decimal _entryPrice;
private int _cooldown;
/// <summary>
/// RSI lookback period.
/// </summary>
public int RsiPeriod
{
get => _rsiPeriod.Value;
set => _rsiPeriod.Value = value;
}
/// <summary>
/// EMA period for trend filter.
/// </summary>
public int EmaPeriod
{
get => _emaPeriod.Value;
set => _emaPeriod.Value = value;
}
/// <summary>
/// Overbought RSI level.
/// </summary>
public decimal Overbought
{
get => _overbought.Value;
set => _overbought.Value = value;
}
/// <summary>
/// Oversold RSI level.
/// </summary>
public decimal Oversold
{
get => _oversold.Value;
set => _oversold.Value = value;
}
/// <summary>
/// Initializes a new instance of the strategy.
/// </summary>
public RsiRftlStrategy()
{
_rsiPeriod = Param(nameof(RsiPeriod), 14)
.SetGreaterThanZero()
.SetDisplay("RSI Period", "Length of the RSI oscillator", "Indicator");
_emaPeriod = Param(nameof(EmaPeriod), 44)
.SetGreaterThanZero()
.SetDisplay("EMA Period", "Length of the trend EMA filter", "Indicator");
_overbought = Param(nameof(Overbought), 75m)
.SetDisplay("Overbought", "RSI overbought level", "Levels");
_oversold = Param(nameof(Oversold), 25m)
.SetDisplay("Oversold", "RSI oversold level", "Levels");
}
/// <inheritdoc />
public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
{
yield return (Security, TimeSpan.FromMinutes(5).TimeFrame());
}
/// <inheritdoc />
protected override void OnReseted()
{
base.OnReseted();
_rsi = null;
_ema = null;
_prevRsi = 0;
_entryPrice = 0;
_cooldown = 0;
}
/// <inheritdoc />
protected override void OnStarted2(DateTime time)
{
base.OnStarted2(time);
_rsi = new RelativeStrengthIndex { Length = RsiPeriod };
_ema = new ExponentialMovingAverage { Length = EmaPeriod };
var subscription = SubscribeCandles(TimeSpan.FromMinutes(5).TimeFrame());
subscription.Bind(_rsi, _ema, OnProcess);
subscription.Start();
}
private void OnProcess(ICandleMessage candle, decimal rsiValue, decimal emaValue)
{
if (candle.State != CandleStates.Finished)
return;
if (!_rsi.IsFormed || !_ema.IsFormed)
{
_prevRsi = rsiValue;
return;
}
if (_cooldown > 0)
{
_cooldown--;
_prevRsi = rsiValue;
return;
}
var close = candle.ClosePrice;
var trendUp = close > emaValue;
var trendDown = close < emaValue;
// Buy: RSI crosses above oversold + uptrend
if (_prevRsi < Oversold && rsiValue >= Oversold && trendUp && Position <= 0)
{
if (Position < 0)
BuyMarket();
BuyMarket();
_entryPrice = close;
_cooldown = 10;
}
// Sell: RSI crosses below overbought + downtrend
else if (_prevRsi > Overbought && rsiValue <= Overbought && trendDown && Position >= 0)
{
if (Position > 0)
SellMarket();
SellMarket();
_entryPrice = close;
_cooldown = 10;
}
// Exit long on overbought
if (Position > 0 && rsiValue > 80m)
{
SellMarket();
_entryPrice = 0;
_cooldown = 10;
}
// Exit short on oversold
else if (Position < 0 && rsiValue < 20m)
{
BuyMarket();
_entryPrice = 0;
_cooldown = 10;
}
_prevRsi = rsiValue;
}
}
import clr
clr.AddReference("StockSharp.Messages")
clr.AddReference("StockSharp.Algo")
clr.AddReference("StockSharp.Algo.Indicators")
clr.AddReference("StockSharp.Algo.Strategies")
from System import TimeSpan
from StockSharp.Messages import DataType, CandleStates
from StockSharp.Algo.Indicators import RelativeStrengthIndex, ExponentialMovingAverage
from StockSharp.Algo.Strategies import Strategy
class rsi_rftl_strategy(Strategy):
def __init__(self):
super(rsi_rftl_strategy, self).__init__()
self._rsi_period = self.Param("RsiPeriod", 14) \
.SetDisplay("RSI Period", "Length of the RSI oscillator", "Indicator")
self._ema_period = self.Param("EmaPeriod", 44) \
.SetDisplay("EMA Period", "Length of the trend EMA filter", "Indicator")
self._overbought = self.Param("Overbought", 75.0) \
.SetDisplay("Overbought", "RSI overbought level", "Levels")
self._oversold = self.Param("Oversold", 25.0) \
.SetDisplay("Oversold", "RSI oversold level", "Levels")
self._rsi = None
self._ema = None
self._prev_rsi = 0.0
self._entry_price = 0.0
self._cooldown = 0
@property
def rsi_period(self):
return self._rsi_period.Value
@property
def ema_period(self):
return self._ema_period.Value
@property
def overbought(self):
return self._overbought.Value
@property
def oversold(self):
return self._oversold.Value
def OnReseted(self):
super(rsi_rftl_strategy, self).OnReseted()
self._rsi = None
self._ema = None
self._prev_rsi = 0.0
self._entry_price = 0.0
self._cooldown = 0
def OnStarted2(self, time):
super(rsi_rftl_strategy, self).OnStarted2(time)
self._rsi = RelativeStrengthIndex()
self._rsi.Length = self.rsi_period
self._ema = ExponentialMovingAverage()
self._ema.Length = self.ema_period
subscription = self.SubscribeCandles(DataType.TimeFrame(TimeSpan.FromMinutes(5)))
subscription.Bind(self._rsi, self._ema, self._process_candle)
subscription.Start()
def _process_candle(self, candle, rsi_value, ema_value):
if candle.State != CandleStates.Finished:
return
rsi_val = float(rsi_value)
ema_val = float(ema_value)
if not self._rsi.IsFormed or not self._ema.IsFormed:
self._prev_rsi = rsi_val
return
if self._cooldown > 0:
self._cooldown -= 1
self._prev_rsi = rsi_val
return
close = float(candle.ClosePrice)
trend_up = close > ema_val
trend_down = close < ema_val
ob = float(self.overbought)
os_level = float(self.oversold)
# Buy: RSI crosses above oversold + uptrend
if self._prev_rsi < os_level and rsi_val >= os_level and trend_up and self.Position <= 0:
if self.Position < 0:
self.BuyMarket()
self.BuyMarket()
self._entry_price = close
self._cooldown = 10
# Sell: RSI crosses below overbought + downtrend
elif self._prev_rsi > ob and rsi_val <= ob and trend_down and self.Position >= 0:
if self.Position > 0:
self.SellMarket()
self.SellMarket()
self._entry_price = close
self._cooldown = 10
# Exit long on strong overbought
if self.Position > 0 and rsi_val > 80.0:
self.SellMarket()
self._entry_price = 0.0
self._cooldown = 10
# Exit short on strong oversold
elif self.Position < 0 and rsi_val < 20.0:
self.BuyMarket()
self._entry_price = 0.0
self._cooldown = 10
self._prev_rsi = rsi_val
def CreateClone(self):
return rsi_rftl_strategy()