namespace StockSharp.Samples.Strategies;
using System;
using System.Collections.Generic;
using Ecng.Common;
using StockSharp.Algo.Indicators;
using StockSharp.Algo.Strategies;
using StockSharp.Messages;
/// <summary>
/// Dark Cloud Piercing CCI strategy: trades Dark Cloud Cover and Piercing Line
/// candlestick patterns confirmed by CCI indicator levels.
/// </summary>
public class DarkCloudPiercingCciStrategy : Strategy
{
private readonly StrategyParam<DataType> _candleType;
private readonly StrategyParam<int> _cciPeriod;
private readonly StrategyParam<decimal> _entryLevel;
private readonly StrategyParam<int> _signalCooldownCandles;
private readonly List<ICandleMessage> _candles = new();
private decimal _prevCci;
private bool _hasPrevCci;
private int _candlesSinceTrade;
public DataType CandleType { get => _candleType.Value; set => _candleType.Value = value; }
public int CciPeriod { get => _cciPeriod.Value; set => _cciPeriod.Value = value; }
public decimal EntryLevel { get => _entryLevel.Value; set => _entryLevel.Value = value; }
public int SignalCooldownCandles { get => _signalCooldownCandles.Value; set => _signalCooldownCandles.Value = value; }
public DarkCloudPiercingCciStrategy()
{
_candleType = Param(nameof(CandleType), TimeSpan.FromMinutes(5).TimeFrame())
.SetDisplay("Candle Type", "Candle timeframe", "General");
_cciPeriod = Param(nameof(CciPeriod), 14)
.SetGreaterThanZero()
.SetDisplay("CCI Period", "CCI period", "Indicators");
_entryLevel = Param(nameof(EntryLevel), 50m)
.SetDisplay("Entry Level", "CCI level for confirmation", "Signals");
_signalCooldownCandles = Param(nameof(SignalCooldownCandles), 6)
.SetGreaterThanZero()
.SetDisplay("Signal Cooldown", "Bars to wait between trades", "Trading");
}
/// <inheritdoc />
protected override void OnReseted()
{
base.OnReseted();
_candles.Clear();
_prevCci = 0m;
_hasPrevCci = false;
_candlesSinceTrade = SignalCooldownCandles;
}
/// <inheritdoc />
protected override void OnStarted2(DateTime time)
{
base.OnStarted2(time);
_candles.Clear();
_hasPrevCci = false;
_candlesSinceTrade = SignalCooldownCandles;
var cci = new CommodityChannelIndex { Length = CciPeriod };
var subscription = SubscribeCandles(CandleType);
subscription.Bind(cci, ProcessCandle).Start();
StartProtection(
takeProfit: new Unit(2, UnitTypes.Percent),
stopLoss: new Unit(1, UnitTypes.Percent)
);
}
private void ProcessCandle(ICandleMessage candle, decimal cciValue)
{
if (candle.State != CandleStates.Finished) return;
if (_candlesSinceTrade < SignalCooldownCandles)
_candlesSinceTrade++;
_candles.Add(candle);
if (_candles.Count > 5)
_candles.RemoveAt(0);
if (_candles.Count >= 2 && _hasPrevCci)
{
var curr = _candles[^1];
var prev = _candles[^2];
// Piercing Line: prev bearish, curr bullish, curr opens below prev low, closes above midpoint
var isPiercing = prev.OpenPrice > prev.ClosePrice
&& curr.ClosePrice > curr.OpenPrice
&& curr.OpenPrice < prev.LowPrice
&& curr.ClosePrice > (prev.OpenPrice + prev.ClosePrice) / 2m;
// Dark Cloud Cover: prev bullish, curr bearish, curr opens above prev high, closes below midpoint
var isDarkCloud = prev.ClosePrice > prev.OpenPrice
&& curr.OpenPrice > curr.ClosePrice
&& curr.OpenPrice > prev.HighPrice
&& curr.ClosePrice < (prev.OpenPrice + prev.ClosePrice) / 2m;
if (isPiercing && cciValue < -EntryLevel && Position == 0 && _candlesSinceTrade >= SignalCooldownCandles)
{
BuyMarket();
_candlesSinceTrade = 0;
}
else if (isDarkCloud && cciValue > EntryLevel && Position == 0 && _candlesSinceTrade >= SignalCooldownCandles)
{
SellMarket();
_candlesSinceTrade = 0;
}
}
_prevCci = cciValue;
_hasPrevCci = true;
}
}
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, Unit, UnitTypes
from StockSharp.Algo.Indicators import CommodityChannelIndex
from StockSharp.Algo.Strategies import Strategy
class dark_cloud_piercing_cci_strategy(Strategy):
def __init__(self):
super(dark_cloud_piercing_cci_strategy, self).__init__()
self._cci_period = self.Param("CciPeriod", 14) \
.SetDisplay("CCI Period", "CCI period", "Indicators")
self._entry_level = self.Param("EntryLevel", 50.0) \
.SetDisplay("Entry Level", "CCI level for confirmation", "Signals")
self._signal_cooldown = self.Param("SignalCooldownCandles", 6) \
.SetDisplay("Signal Cooldown", "Bars to wait between trades", "Trading")
self._cci = None
self._candles = []
self._has_prev_cci = False
self._candles_since_trade = 0
@property
def cci_period(self):
return self._cci_period.Value
@property
def entry_level(self):
return self._entry_level.Value
@property
def signal_cooldown(self):
return self._signal_cooldown.Value
def OnReseted(self):
super(dark_cloud_piercing_cci_strategy, self).OnReseted()
self._cci = None
self._candles = []
self._has_prev_cci = False
self._candles_since_trade = self.signal_cooldown
def OnStarted2(self, time):
super(dark_cloud_piercing_cci_strategy, self).OnStarted2(time)
self._cci = CommodityChannelIndex()
self._cci.Length = self.cci_period
self._candles = []
self._has_prev_cci = False
self._candles_since_trade = self.signal_cooldown
subscription = self.SubscribeCandles(DataType.TimeFrame(TimeSpan.FromMinutes(5)))
subscription.Bind(self._cci, self._process_candle)
subscription.Start()
self.StartProtection(takeProfit=Unit(2, UnitTypes.Percent), stopLoss=Unit(1, UnitTypes.Percent))
def _process_candle(self, candle, cci_value):
if candle.State != CandleStates.Finished:
return
cci_val = float(cci_value)
if self._candles_since_trade < self.signal_cooldown:
self._candles_since_trade += 1
self._candles.append(candle)
if len(self._candles) > 5:
self._candles.pop(0)
if len(self._candles) >= 2 and self._has_prev_cci:
curr = self._candles[-1]
prev = self._candles[-2]
is_piercing = (float(prev.OpenPrice) > float(prev.ClosePrice)
and float(curr.ClosePrice) > float(curr.OpenPrice)
and float(curr.OpenPrice) < float(prev.LowPrice)
and float(curr.ClosePrice) > (float(prev.OpenPrice) + float(prev.ClosePrice)) / 2.0)
is_dark_cloud = (float(prev.ClosePrice) > float(prev.OpenPrice)
and float(curr.OpenPrice) > float(curr.ClosePrice)
and float(curr.OpenPrice) > float(prev.HighPrice)
and float(curr.ClosePrice) < (float(prev.OpenPrice) + float(prev.ClosePrice)) / 2.0)
if is_piercing and cci_val < -self.entry_level and self.Position == 0 and self._candles_since_trade >= self.signal_cooldown:
self.BuyMarket()
self._candles_since_trade = 0
elif is_dark_cloud and cci_val > self.entry_level and self.Position == 0 and self._candles_since_trade >= self.signal_cooldown:
self.SellMarket()
self._candles_since_trade = 0
self._has_prev_cci = True
def CreateClone(self):
return dark_cloud_piercing_cci_strategy()