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>
/// Stochastic Oscillator-based strategy with zone filtering.
/// Goes long when %K crosses above %D in the oversold zone, short when %K crosses below %D in overbought zone.
/// </summary>
public class IStochasticTradingStrategy : Strategy
{
private readonly StrategyParam<int> _kPeriod;
private readonly StrategyParam<int> _dPeriod;
private readonly StrategyParam<decimal> _zoneBuy;
private readonly StrategyParam<decimal> _zoneSell;
private readonly StrategyParam<DataType> _candleType;
private decimal? _prevK;
private decimal? _prevD;
/// <summary>
/// %K period.
/// </summary>
public int KPeriod
{
get => _kPeriod.Value;
set => _kPeriod.Value = value;
}
/// <summary>
/// %D smoothing period.
/// </summary>
public int DPeriod
{
get => _dPeriod.Value;
set => _dPeriod.Value = value;
}
/// <summary>
/// Buy zone threshold (oversold).
/// </summary>
public decimal ZoneBuy
{
get => _zoneBuy.Value;
set => _zoneBuy.Value = value;
}
/// <summary>
/// Sell zone threshold (overbought).
/// </summary>
public decimal ZoneSell
{
get => _zoneSell.Value;
set => _zoneSell.Value = value;
}
/// <summary>
/// Candle type used for analysis.
/// </summary>
public DataType CandleType
{
get => _candleType.Value;
set => _candleType.Value = value;
}
/// <summary>
/// Initializes a new instance of the strategy.
/// </summary>
public IStochasticTradingStrategy()
{
_kPeriod = Param(nameof(KPeriod), 5)
.SetGreaterThanZero()
.SetDisplay("K Period", "Number of bars for %K", "Indicators");
_dPeriod = Param(nameof(DPeriod), 3)
.SetGreaterThanZero()
.SetDisplay("D Period", "Smoothing period for %D", "Indicators");
_zoneBuy = Param(nameof(ZoneBuy), 30m)
.SetRange(0m, 100m)
.SetDisplay("Buy Zone", "Upper boundary for bullish confirmation", "Signals");
_zoneSell = Param(nameof(ZoneSell), 70m)
.SetRange(0m, 100m)
.SetDisplay("Sell Zone", "Lower boundary for bearish confirmation", "Signals");
_candleType = Param(nameof(CandleType), TimeSpan.FromHours(1).TimeFrame())
.SetDisplay("Candle Type", "Primary timeframe for the strategy", "General");
}
/// <inheritdoc />
public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
{
return [(Security, CandleType)];
}
/// <inheritdoc />
protected override void OnReseted()
{
base.OnReseted();
_prevK = null;
_prevD = null;
}
/// <inheritdoc />
protected override void OnStarted2(DateTime time)
{
base.OnStarted2(time);
_prevK = null;
_prevD = null;
var stochastic = new StochasticOscillator();
stochastic.K.Length = KPeriod;
stochastic.D.Length = DPeriod;
var subscription = SubscribeCandles(CandleType);
subscription
.BindEx(stochastic, ProcessCandle)
.Start();
var area = CreateChartArea();
if (area != null)
{
DrawCandles(area, subscription);
DrawIndicator(area, stochastic);
DrawOwnTrades(area);
}
}
private void ProcessCandle(ICandleMessage candle, IIndicatorValue stochasticValue)
{
if (candle.State != CandleStates.Finished)
return;
if (!stochasticValue.IsFinal)
return;
var stoch = (StochasticOscillatorValue)stochasticValue;
if (stoch.K is not decimal kValue || stoch.D is not decimal dValue)
return;
if (_prevK is decimal prevK && _prevD is decimal prevD)
{
var crossedUp = prevK <= prevD && kValue > dValue;
var crossedDown = prevK >= prevD && kValue < dValue;
if (crossedUp && dValue < ZoneBuy && Position <= 0)
{
BuyMarket();
}
else if (crossedDown && dValue > ZoneSell && Position >= 0)
{
SellMarket();
}
}
_prevK = kValue;
_prevD = dValue;
}
}
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.Strategies import Strategy
from StockSharp.Algo.Indicators import StochasticOscillator
class i_stochastic_trading_strategy(Strategy):
"""Stochastic crossover strategy with oversold/overbought zone filtering."""
def __init__(self):
super(i_stochastic_trading_strategy, self).__init__()
self._k_period = self.Param("KPeriod", 5) \
.SetGreaterThanZero() \
.SetDisplay("K Period", "Number of bars for %K", "Indicators")
self._d_period = self.Param("DPeriod", 3) \
.SetGreaterThanZero() \
.SetDisplay("D Period", "Smoothing period for %D", "Indicators")
self._zone_buy = self.Param("ZoneBuy", 30.0) \
.SetDisplay("Buy Zone", "Upper boundary for bullish confirmation", "Signals")
self._zone_sell = self.Param("ZoneSell", 70.0) \
.SetDisplay("Sell Zone", "Lower boundary for bearish confirmation", "Signals")
self._candle_type = self.Param("CandleType", DataType.TimeFrame(TimeSpan.FromHours(1))) \
.SetDisplay("Candle Type", "Primary timeframe", "General")
self._prev_k = None
self._prev_d = None
@property
def KPeriod(self):
return self._k_period.Value
@property
def DPeriod(self):
return self._d_period.Value
@property
def ZoneBuy(self):
return self._zone_buy.Value
@property
def ZoneSell(self):
return self._zone_sell.Value
@property
def CandleType(self):
return self._candle_type.Value
def OnStarted2(self, time):
super(i_stochastic_trading_strategy, self).OnStarted2(time)
self._prev_k = None
self._prev_d = None
stoch = StochasticOscillator()
stoch.K.Length = self.KPeriod
stoch.D.Length = self.DPeriod
subscription = self.SubscribeCandles(self.CandleType)
subscription.BindEx(stoch, self.process_candle).Start()
area = self.CreateChartArea()
if area is not None:
self.DrawCandles(area, subscription)
self.DrawIndicator(area, stoch)
self.DrawOwnTrades(area)
def process_candle(self, candle, stoch_value):
if candle.State != CandleStates.Finished:
return
if not stoch_value.IsFinal:
return
k_val = stoch_value.K
d_val = stoch_value.D
if k_val is None or d_val is None:
return
k = float(k_val)
d = float(d_val)
if self._prev_k is not None and self._prev_d is not None:
crossed_up = self._prev_k <= self._prev_d and k > d
crossed_down = self._prev_k >= self._prev_d and k < d
if crossed_up and d < float(self.ZoneBuy) and self.Position <= 0:
self.BuyMarket()
elif crossed_down and d > float(self.ZoneSell) and self.Position >= 0:
self.SellMarket()
self._prev_k = k
self._prev_d = d
def OnReseted(self):
super(i_stochastic_trading_strategy, self).OnReseted()
self._prev_k = None
self._prev_d = None
def CreateClone(self):
return i_stochastic_trading_strategy()