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>
/// Perceptron strategy that uses weighted moving average crossover signals
/// to determine trade direction. Simplified from multi-symbol to single security.
/// </summary>
public class PerceptronMultStrategy : Strategy
{
private readonly StrategyParam<int> _fastPeriod;
private readonly StrategyParam<int> _slowPeriod;
private readonly StrategyParam<int> _stopLossPoints;
private readonly StrategyParam<int> _takeProfitPoints;
private ExponentialMovingAverage _fast;
private ExponentialMovingAverage _slow;
private decimal _prevFast;
private decimal _prevSlow;
private decimal _entryPrice;
/// <summary>
/// Fast EMA period.
/// </summary>
public int FastPeriod
{
get => _fastPeriod.Value;
set => _fastPeriod.Value = value;
}
/// <summary>
/// Slow EMA period.
/// </summary>
public int SlowPeriod
{
get => _slowPeriod.Value;
set => _slowPeriod.Value = value;
}
/// <summary>
/// Stop-loss distance in price steps.
/// </summary>
public int StopLossPoints
{
get => _stopLossPoints.Value;
set => _stopLossPoints.Value = value;
}
/// <summary>
/// Take-profit distance in price steps.
/// </summary>
public int TakeProfitPoints
{
get => _takeProfitPoints.Value;
set => _takeProfitPoints.Value = value;
}
/// <summary>
/// Initializes strategy parameters.
/// </summary>
public PerceptronMultStrategy()
{
_fastPeriod = Param(nameof(FastPeriod), 50)
.SetGreaterThanZero()
.SetDisplay("Fast Period", "Fast EMA period", "Indicator");
_slowPeriod = Param(nameof(SlowPeriod), 200)
.SetGreaterThanZero()
.SetDisplay("Slow Period", "Slow EMA period", "Indicator");
_stopLossPoints = Param(nameof(StopLossPoints), 100)
.SetNotNegative()
.SetDisplay("Stop Loss", "Stop-loss distance in price steps", "Risk");
_takeProfitPoints = Param(nameof(TakeProfitPoints), 200)
.SetNotNegative()
.SetDisplay("Take Profit", "Take-profit distance in price steps", "Risk");
}
/// <inheritdoc />
public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
{
yield return (Security, TimeSpan.FromMinutes(5).TimeFrame());
}
/// <inheritdoc />
protected override void OnReseted()
{
base.OnReseted();
_fast = null;
_slow = null;
_prevFast = 0;
_prevSlow = 0;
_entryPrice = 0;
}
/// <inheritdoc />
protected override void OnStarted2(DateTime time)
{
base.OnStarted2(time);
_fast = new ExponentialMovingAverage { Length = FastPeriod };
_slow = new ExponentialMovingAverage { Length = SlowPeriod };
var subscription = SubscribeCandles(TimeSpan.FromMinutes(5).TimeFrame());
subscription.Bind(_fast, _slow, ProcessCandle);
subscription.Start();
}
private void ProcessCandle(ICandleMessage candle, decimal fastValue, decimal slowValue)
{
if (candle.State != CandleStates.Finished)
return;
if (!_fast.IsFormed || !_slow.IsFormed)
{
_prevFast = fastValue;
_prevSlow = slowValue;
return;
}
var close = candle.ClosePrice;
var step = Security?.PriceStep ?? 1m;
// Check SL/TP
if (Position > 0 && _entryPrice > 0)
{
if (StopLossPoints > 0 && close <= _entryPrice - StopLossPoints * step)
{
SellMarket();
_entryPrice = 0;
_prevFast = fastValue;
_prevSlow = slowValue;
return;
}
if (TakeProfitPoints > 0 && close >= _entryPrice + TakeProfitPoints * step)
{
SellMarket();
_entryPrice = 0;
_prevFast = fastValue;
_prevSlow = slowValue;
return;
}
}
else if (Position < 0 && _entryPrice > 0)
{
if (StopLossPoints > 0 && close >= _entryPrice + StopLossPoints * step)
{
BuyMarket();
_entryPrice = 0;
_prevFast = fastValue;
_prevSlow = slowValue;
return;
}
if (TakeProfitPoints > 0 && close <= _entryPrice - TakeProfitPoints * step)
{
BuyMarket();
_entryPrice = 0;
_prevFast = fastValue;
_prevSlow = slowValue;
return;
}
}
// Entry: fast crosses slow
if (_prevFast <= _prevSlow && fastValue > slowValue && Position <= 0)
{
if (Position < 0)
BuyMarket();
BuyMarket();
_entryPrice = close;
}
else if (_prevFast >= _prevSlow && fastValue < slowValue && Position >= 0)
{
if (Position > 0)
SellMarket();
SellMarket();
_entryPrice = close;
}
_prevFast = fastValue;
_prevSlow = slowValue;
}
}
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 ExponentialMovingAverage
from StockSharp.Algo.Strategies import Strategy
from datatype_extensions import *
from indicator_extensions import *
class perceptron_mult_strategy(Strategy):
def __init__(self):
super(perceptron_mult_strategy, self).__init__()
self._fast_period = self.Param("FastPeriod", 50).SetGreaterThanZero().SetDisplay("Fast Period", "Fast EMA period", "Indicator")
self._slow_period = self.Param("SlowPeriod", 200).SetGreaterThanZero().SetDisplay("Slow Period", "Slow EMA period", "Indicator")
self._sl_points = self.Param("StopLossPoints", 100).SetNotNegative().SetDisplay("Stop Loss", "Stop-loss in price steps", "Risk")
self._tp_points = self.Param("TakeProfitPoints", 200).SetNotNegative().SetDisplay("Take Profit", "Take-profit in price steps", "Risk")
self._candle_type = self.Param("CandleType", DataType.TimeFrame(TimeSpan.FromMinutes(5))).SetDisplay("Candle Type", "Candle timeframe", "General")
@property
def CandleType(self): return self._candle_type.Value
@CandleType.setter
def CandleType(self, value): self._candle_type.Value = value
def OnReseted(self):
super(perceptron_mult_strategy, self).OnReseted()
self._prev_fast = 0
self._prev_slow = 0
self._entry_price = 0
def OnStarted2(self, time):
super(perceptron_mult_strategy, self).OnStarted2(time)
self._prev_fast = 0
self._prev_slow = 0
self._entry_price = 0
fast = ExponentialMovingAverage()
fast.Length = self._fast_period.Value
slow = ExponentialMovingAverage()
slow.Length = self._slow_period.Value
sub = self.SubscribeCandles(self.CandleType)
sub.Bind(fast, slow, self.OnProcess).Start()
def _get_step(self):
if self.Security is not None and self.Security.PriceStep is not None and self.Security.PriceStep > 0:
return float(self.Security.PriceStep)
return 1.0
def OnProcess(self, candle, fast_val, slow_val):
if candle.State != CandleStates.Finished:
return
if self._prev_fast == 0 or self._prev_slow == 0:
self._prev_fast = fast_val
self._prev_slow = slow_val
return
close = candle.ClosePrice
step = self._get_step()
if self.Position > 0 and self._entry_price > 0:
if self._sl_points.Value > 0 and close <= self._entry_price - self._sl_points.Value * step:
self.SellMarket()
self._entry_price = 0
self._prev_fast = fast_val
self._prev_slow = slow_val
return
if self._tp_points.Value > 0 and close >= self._entry_price + self._tp_points.Value * step:
self.SellMarket()
self._entry_price = 0
self._prev_fast = fast_val
self._prev_slow = slow_val
return
elif self.Position < 0 and self._entry_price > 0:
if self._sl_points.Value > 0 and close >= self._entry_price + self._sl_points.Value * step:
self.BuyMarket()
self._entry_price = 0
self._prev_fast = fast_val
self._prev_slow = slow_val
return
if self._tp_points.Value > 0 and close <= self._entry_price - self._tp_points.Value * step:
self.BuyMarket()
self._entry_price = 0
self._prev_fast = fast_val
self._prev_slow = slow_val
return
if self._prev_fast <= self._prev_slow and fast_val > slow_val and self.Position <= 0:
if self.Position < 0:
self.BuyMarket()
self.BuyMarket()
self._entry_price = close
elif self._prev_fast >= self._prev_slow and fast_val < slow_val and self.Position >= 0:
if self.Position > 0:
self.SellMarket()
self.SellMarket()
self._entry_price = close
self._prev_fast = fast_val
self._prev_slow = slow_val
def CreateClone(self):
return perceptron_mult_strategy()