using System;
using System.Collections.Generic;
using StockSharp.Algo.Indicators;
using StockSharp.Algo.Strategies;
using StockSharp.BusinessEntities;
using StockSharp.Messages;
namespace StockSharp.Samples.Strategies;
/// <summary>
/// Get Rich GBP Session Reversal strategy - RSI mean reversion with EMA trend filter.
/// Buys when RSI crosses below oversold while price is above EMA (bullish dip).
/// Sells when RSI crosses above overbought while price is below EMA (bearish rally).
/// </summary>
public class GetRichGbpSessionReversalStrategy : Strategy
{
private readonly StrategyParam<int> _rsiPeriod;
private readonly StrategyParam<int> _emaPeriod;
private readonly StrategyParam<decimal> _overbought;
private readonly StrategyParam<decimal> _oversold;
private readonly StrategyParam<DataType> _candleType;
private decimal _prevRsi;
private bool _hasPrev;
public int RsiPeriod { get => _rsiPeriod.Value; set => _rsiPeriod.Value = value; }
public int EmaPeriod { get => _emaPeriod.Value; set => _emaPeriod.Value = value; }
public decimal Overbought { get => _overbought.Value; set => _overbought.Value = value; }
public decimal Oversold { get => _oversold.Value; set => _oversold.Value = value; }
public DataType CandleType { get => _candleType.Value; set => _candleType.Value = value; }
public GetRichGbpSessionReversalStrategy()
{
_rsiPeriod = Param(nameof(RsiPeriod), 14)
.SetDisplay("RSI Period", "RSI lookback", "Indicators");
_emaPeriod = Param(nameof(EmaPeriod), 50)
.SetDisplay("EMA Period", "EMA trend filter", "Indicators");
_overbought = Param(nameof(Overbought), 70m)
.SetDisplay("Overbought", "RSI overbought level", "Levels");
_oversold = Param(nameof(Oversold), 30m)
.SetDisplay("Oversold", "RSI oversold level", "Levels");
_candleType = Param(nameof(CandleType), TimeSpan.FromHours(4).TimeFrame())
.SetDisplay("Candle Type", "Candle timeframe", "General");
}
public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities() => [(Security, CandleType)];
protected override void OnReseted() { base.OnReseted(); _prevRsi = 0m; _hasPrev = false; }
protected override void OnStarted2(DateTime time)
{
base.OnStarted2(time);
_hasPrev = false;
var rsi = new RelativeStrengthIndex { Length = RsiPeriod };
var ema = new ExponentialMovingAverage { Length = EmaPeriod };
var subscription = SubscribeCandles(CandleType);
subscription
.Bind(rsi, ema, ProcessCandle)
.Start();
}
private void ProcessCandle(ICandleMessage candle, decimal rsi, decimal ema)
{
if (candle.State != CandleStates.Finished)
return;
var close = candle.ClosePrice;
if (!_hasPrev)
{
_prevRsi = rsi;
_hasPrev = true;
return;
}
// RSI crosses below oversold = buy reversal
if (_prevRsi >= Oversold && rsi < Oversold && Position <= 0)
{
if (Position < 0)
BuyMarket();
BuyMarket();
}
// RSI crosses above overbought = sell reversal
else if (_prevRsi <= Overbought && rsi > Overbought && Position >= 0)
{
if (Position > 0)
SellMarket();
SellMarket();
}
_prevRsi = rsi;
}
}
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 get_rich_gbp_session_reversal_strategy(Strategy):
def __init__(self):
super(get_rich_gbp_session_reversal_strategy, self).__init__()
self._rsi_period = self.Param("RsiPeriod", 14).SetDisplay("RSI Period", "RSI lookback", "Indicators")
self._ema_period = self.Param("EmaPeriod", 50).SetDisplay("EMA Period", "EMA trend filter", "Indicators")
self._overbought = self.Param("Overbought", 70.0).SetDisplay("Overbought", "RSI overbought level", "Levels")
self._oversold = self.Param("Oversold", 30.0).SetDisplay("Oversold", "RSI oversold level", "Levels")
self._candle_type = self.Param("CandleType", DataType.TimeFrame(TimeSpan.FromHours(4))).SetDisplay("Candle Type", "Candle timeframe", "General")
self._prev_rsi = 0.0
self._has_prev = False
@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
@property
def candle_type(self): return self._candle_type.Value
def OnReseted(self):
super(get_rich_gbp_session_reversal_strategy, self).OnReseted()
self._prev_rsi = 0.0
self._has_prev = False
def OnStarted2(self, time):
super(get_rich_gbp_session_reversal_strategy, self).OnStarted2(time)
self._has_prev = False
rsi = RelativeStrengthIndex()
rsi.Length = self.rsi_period
ema = ExponentialMovingAverage()
ema.Length = self.ema_period
subscription = self.SubscribeCandles(self.candle_type)
subscription.Bind(rsi, ema, self.process_candle).Start()
def process_candle(self, candle, rsi, ema):
if candle.State != CandleStates.Finished:
return
rsi_val = float(rsi)
if not self._has_prev:
self._prev_rsi = rsi_val
self._has_prev = True
return
if self._prev_rsi >= self.oversold and rsi_val < self.oversold and self.Position <= 0:
if self.Position < 0:
self.BuyMarket()
self.BuyMarket()
elif self._prev_rsi <= self.overbought and rsi_val > self.overbought and self.Position >= 0:
if self.Position > 0:
self.SellMarket()
self.SellMarket()
self._prev_rsi = rsi_val
def CreateClone(self):
return get_rich_gbp_session_reversal_strategy()