Isolation Band Oscillation Tracking Strategy

Author: ChaoZhang, Date: 2024-02-04 10:28:24



The main idea of this strategy is to calculate the long and short stop-loss lines based on the ATR indicator. It generates trading signals when the price breaks through these stop-loss lines. It has both trend tracking and oscillation capturing capabilities.

Strategy Principle

The strategy uses the N-period ATR multiplied by a coefficient to calculate the long and short stop-loss lines. The specific calculation formulas are as follows:

Long Stop = Highest Price - ATR * Coefficient 
Short Stop = Lowest Price + ATR * Coefficient

It goes long when the price rises and breaks through the long stop-loss line, and goes short when the price falls and breaks through the short stop-loss line. After going long or short, it will track price fluctuations in real time to move the stop-loss lines.

By using the ATR band as the stop-loss level, this method can fully capture the price trend while ensuring the stop-loss risk. It generates signals when there is a significant breakthrough in price, which can effectively filter out false breakouts.

Advantage Analysis

The biggest advantage of this strategy is that it can automatically adjust the stop-loss level to capture price trends while controlling risks. The specific advantages are as follows:

  1. The floating stop-loss based on the ATR indicator can adjust the stop-loss range according to market volatility to effectively control single loss.

  2. Adopting a breakthrough method to generate signals can filter out some noise and avoid chasing peaks and bottoms.

  3. Real-time adjustment of stop-loss lines to track price fluctuations prevents the stop-loss from being too loose and locks in more profits.

Risk Analysis

The strategy also has some risks, mainly concentrated in the setting of stop-loss level and signal generation. The specific risk points are:

  1. Improper ATR cycle and coefficients may lead to excessively wide or narrow stop-loss.

  2. The breakthrough signal method may miss early trend opportunities.

  3. There may be some lag in stop-loss tracking during trend ending, unable to perfectly exit.

The countermeasures are mainly to adjust the parameters to make the stop-loss more reasonable, or assist with other indicators to determine the trend and signals.

Optimization Directions

The strategy can be further optimized in the following aspects:

  1. Set up a second-layer stop-loss to further control risks.

  2. Combine other indicators to determine the trend and improve signal quality.

  3. Add moving stop-profit strategies to increase profit when the trend further continues.

  4. Optimize ATR cycle and coefficient parameters to make stop-loss closer to actual price fluctuations.


Overall, this strategy is very practical. It can effectively control risks by automatically adjusting the stop-loss level, while obtaining good profits through trend tracking. We can further optimize and improve the strategy by combining other analytical methods on the existing basis to make it more stable and intelligent.

start: 2024-01-04 00:00:00
end: 2024-02-03 00:00:00
period: 1h
basePeriod: 15m
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]

// This source code is subject to the terms of the Mozilla Public License 2.0 at
// © melihtuna
strategy("Chandelier Exit - Strategy",shorttitle="CE-STG" , overlay=true,, default_qty_value=10000, initial_capital=10000, currency=currency.USD, commission_value=0.03, commission_type=strategy.commission.percent)

length = input(title="ATR Period", type=input.integer, defval=22)
mult = input(title="ATR Multiplier", type=input.float, step=0.1, defval=3.0)
showLabels = input(title="Show Buy/Sell Labels ?", type=input.bool, defval=false)
useClose = input(title="Use Close Price for Extremums ?", type=input.bool, defval=true)
highlightState = input(title="Highlight State ?", type=input.bool, defval=true)

atr = mult * atr(length)

longStop = (useClose ? highest(close, length) : highest(length)) - atr
longStopPrev = nz(longStop[1], longStop) 
longStop := close[1] > longStopPrev ? max(longStop, longStopPrev) : longStop

shortStop = (useClose ? lowest(close, length) : lowest(length)) + atr
shortStopPrev = nz(shortStop[1], shortStop)
shortStop := close[1] < shortStopPrev ? min(shortStop, shortStopPrev) : shortStop

var int dir = 1
dir := close > shortStopPrev ? 1 : close < longStopPrev ? -1 : dir

var color longColor =
var color shortColor =

longStopPlot = plot(dir == 1 ? longStop : na, title="Long Stop", style=plot.style_linebr, linewidth=2, color=longColor)
buySignal = dir == 1 and dir[1] == -1
plotshape(buySignal ? longStop : na, title="Long Stop Start", location=location.absolute,, size=size.tiny, color=longColor, transp=0)
plotshape(buySignal and showLabels ? longStop : na, title="Buy Label", text="Buy", location=location.absolute, style=shape.labelup, size=size.tiny, color=longColor, textcolor=color.white, transp=0)

shortStopPlot = plot(dir == 1 ? na : shortStop, title="Short Stop", style=plot.style_linebr, linewidth=2, color=shortColor)
sellSignal = dir == -1 and dir[1] == 1
plotshape(sellSignal ? shortStop : na, title="Short Stop Start", location=location.absolute,, size=size.tiny, color=shortColor, transp=0)
plotshape(sellSignal and showLabels ? shortStop : na, title="Sell Label", text="Sell", location=location.absolute, style=shape.labeldown, size=size.tiny, color=shortColor, textcolor=color.white, transp=0)

midPricePlot = plot(ohlc4, title="", style=plot.style_circles, linewidth=0, display=display.none, editable=false)

longFillColor = highlightState ? (dir == 1 ? longColor : na) : na
shortFillColor = highlightState ? (dir == -1 ? shortColor : na) : na
fill(midPricePlot, longStopPlot, title="Long State Filling", color=longFillColor)
fill(midPricePlot, shortStopPlot, title="Short State Filling", color=shortFillColor)

long_short = input(true, "Long-Short",type=input.bool, group="Strategy Settings")

start     = input(timestamp("2019-01-01"), "Date", type=input.time, group="Strategy Settings")
finish    = input(timestamp("2025-01-01"), "Date", type=input.time, group="Strategy Settings")   
window()  => true

slRatio=input(5, "Manuel Stop Loss Ratio", type=input.float, minval=0, group="Strategy Settings")
tpRatio=input(20, "Take Profit Ratio", type=input.float, minval=0, group="Strategy Settings")
tsStartRatio=input(10, "Trailing Stop Start Ratio", type=input.float, minval=0, group="Strategy Settings")
tsRatio=input(5, "Trailing Stop Ratio", type=input.float, minval=1, group="Strategy Settings")

lastBuyPrice = strategy.position_avg_price

diffHiPriceRatio = (high-lastBuyPrice)/lastBuyPrice*100
diffLoPriceRatio = (close-lastBuyPrice)/lastBuyPrice*100
posHiRatio:= strategy.position_size > 0 ? diffHiPriceRatio > posHiRatio[1] ? diffHiPriceRatio : posHiRatio[1] : 0

s_diffHiPriceRatio = (low-lastBuyPrice)/lastBuyPrice*100
s_diffLoPriceRatio = (close-lastBuyPrice)/lastBuyPrice*100
s_posHiRatio:= strategy.position_size < 0 ? s_diffLoPriceRatio < s_posHiRatio[1] ? s_diffLoPriceRatio : s_posHiRatio[1] : 0

strategy.entry("LONG", strategy.long, when = window() and buySignal)
strategy.close("LONG", when = window() and sellSignal)
strategy.close("LONG", when = diffLoPriceRatio<(slRatio*(-1)), comment="STOP-LONG")
strategy.close("LONG", when = diffHiPriceRatio>tpRatio, comment="TAKE-PROFIT-LONG")
strategy.close("LONG", when = ((posHiRatio[1]>tsStartRatio) and (posHiRatio[1]-diffHiPriceRatio)>tsRatio), comment="TRAILING-STOP-LONG")

if long_short
    strategy.entry("SHORT", strategy.short, when = window() and sellSignal)
    strategy.close("SHORT", when = window() and buySignal)
    strategy.close("SHORT", when = s_diffLoPriceRatio>(slRatio), comment="STOP-SHORT")
    strategy.close("SHORT", when = s_diffHiPriceRatio<(tpRatio*(-1)), comment="TAKE-PROFIT-SHORT")
    strategy.close("SHORT", when = ((s_posHiRatio[1]*(-1)>tsStartRatio) and ((s_posHiRatio[1]-s_diffLoPriceRatio))*(-1)>tsRatio), comment="TRAILING-STOP-SHORT")