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>
/// XPeriod candle system with Bollinger Bands breakout.
/// Buys on close above upper band with bullish candle, sells on close below lower band with bearish candle.
/// </summary>
public class XPeriodCandleSystemTmPlusStrategy : Strategy
{
private readonly StrategyParam<DataType> _candleType;
private readonly StrategyParam<int> _bbPeriod;
private readonly StrategyParam<decimal> _bbWidth;
public DataType CandleType
{
get => _candleType.Value;
set => _candleType.Value = value;
}
public int BbPeriod
{
get => _bbPeriod.Value;
set => _bbPeriod.Value = value;
}
public decimal BbWidth
{
get => _bbWidth.Value;
set => _bbWidth.Value = value;
}
public XPeriodCandleSystemTmPlusStrategy()
{
_candleType = Param(nameof(CandleType), TimeSpan.FromMinutes(5).TimeFrame())
.SetDisplay("Candle Type", "Timeframe", "General");
_bbPeriod = Param(nameof(BbPeriod), 20)
.SetGreaterThanZero()
.SetDisplay("BB Period", "Bollinger Bands period", "Indicators");
_bbWidth = Param(nameof(BbWidth), 2m)
.SetGreaterThanZero()
.SetDisplay("BB Width", "Bollinger Bands width", "Indicators");
}
public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
{
return [(Security, CandleType)];
}
protected override void OnStarted2(DateTime time)
{
base.OnStarted2(time);
var bb = new BollingerBands { Length = BbPeriod, Width = BbWidth };
var subscription = SubscribeCandles(CandleType);
subscription
.BindEx(bb, ProcessCandle)
.Start();
var area = CreateChartArea();
if (area != null)
{
DrawCandles(area, subscription);
DrawIndicator(area, bb);
DrawOwnTrades(area);
}
}
private void ProcessCandle(ICandleMessage candle, IIndicatorValue value)
{
if (candle.State != CandleStates.Finished)
return;
var bb = (BollingerBandsValue)value;
if (bb.UpBand is not decimal upper ||
bb.LowBand is not decimal lower ||
bb.MovingAverage is not decimal middle)
return;
var close = candle.ClosePrice;
var isBullish = candle.ClosePrice > candle.OpenPrice;
var isBearish = candle.ClosePrice < candle.OpenPrice;
// Buy: close above upper band with bullish candle
if (close > upper && isBullish && Position <= 0)
{
if (Position < 0)
BuyMarket();
BuyMarket();
}
// Sell: close below lower band with bearish candle
else if (close < lower && isBearish && Position >= 0)
{
if (Position > 0)
SellMarket();
SellMarket();
}
// Exit long at middle band
else if (Position > 0 && close < middle)
{
SellMarket();
}
// Exit short at middle band
else if (Position < 0 && close > middle)
{
BuyMarket();
}
}
}
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 BollingerBands
from StockSharp.Algo.Strategies import Strategy
class x_period_candle_system_tm_plus_strategy(Strategy):
def __init__(self):
super(x_period_candle_system_tm_plus_strategy, self).__init__()
self._candle_type = self.Param("CandleType", DataType.TimeFrame(TimeSpan.FromMinutes(5))) \
.SetDisplay("Candle Type", "Timeframe", "General")
self._bb_period = self.Param("BbPeriod", 20) \
.SetDisplay("BB Period", "Bollinger Bands period", "Indicators")
self._bb_width = self.Param("BbWidth", 2.0) \
.SetDisplay("BB Width", "Bollinger Bands width", "Indicators")
@property
def CandleType(self):
return self._candle_type.Value
@property
def BbPeriod(self):
return self._bb_period.Value
@property
def BbWidth(self):
return self._bb_width.Value
def OnStarted2(self, time):
super(x_period_candle_system_tm_plus_strategy, self).OnStarted2(time)
bb = BollingerBands()
bb.Length = self.BbPeriod
bb.Width = self.BbWidth
subscription = self.SubscribeCandles(self.CandleType)
subscription.BindEx(bb, self._on_process).Start()
area = self.CreateChartArea()
if area is not None:
self.DrawCandles(area, subscription)
self.DrawIndicator(area, bb)
self.DrawOwnTrades(area)
def _on_process(self, candle, bb_value):
if candle.State != CandleStates.Finished:
return
upper = bb_value.UpBand
lower = bb_value.LowBand
middle = bb_value.MovingAverage
if upper is None or lower is None or middle is None:
return
upper = float(upper)
lower = float(lower)
middle = float(middle)
close = float(candle.ClosePrice)
is_bullish = float(candle.ClosePrice) > float(candle.OpenPrice)
is_bearish = float(candle.ClosePrice) < float(candle.OpenPrice)
# Buy: close above upper band with bullish candle
if close > upper and is_bullish and self.Position <= 0:
if self.Position < 0:
self.BuyMarket()
self.BuyMarket()
# Sell: close below lower band with bearish candle
elif close < lower and is_bearish and self.Position >= 0:
if self.Position > 0:
self.SellMarket()
self.SellMarket()
# Exit long at middle band
elif self.Position > 0 and close < middle:
self.SellMarket()
# Exit short at middle band
elif self.Position < 0 and close > middle:
self.BuyMarket()
def CreateClone(self):
return x_period_candle_system_tm_plus_strategy()