Cette stratégie est basée sur l'indicateur du cycle de tendance de Schaff, combiné avec les principes de surachat et de survente de l'indice de performance boursier, pour déterminer et suivre les tendances à l'aide de mesures de dynamique.
La stratégie du cycle de tendance de Schaff identifie les surachats/survente via des mesures de dynamique pour déterminer les changements de tendance des prix à court terme. Bien que simple et ajustable, elle risque des pièges.
/*backtest start: 2023-10-01 00:00:00 end: 2023-10-31 00:00:00 period: 1h basePeriod: 15m exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}] */ //@version=3 // Copyright (c) 2018-present, Alex Orekhov (everget) // Schaff Trend Cycle script may be freely distributed under the MIT license. strategy("Schaff Trend Cycle", shorttitle="STC Backtest", overlay=true) fastLength = input(title="MACD Fast Length", defval=23) slowLength = input(title="MACD Slow Length", defval=50) cycleLength = input(title="Cycle Length", defval=10) d1Length = input(title="1st %D Length", defval=3) d2Length = input(title="2nd %D Length", defval=3) src = input(title="Source", defval=close) highlightBreakouts = input(title="Highlight Breakouts ?", type=bool, defval=true) macd = ema(src, fastLength) - ema(src, slowLength) k = nz(fixnan(stoch(macd, macd, macd, cycleLength))) d = ema(k, d1Length) kd = nz(fixnan(stoch(d, d, d, cycleLength))) stc = ema(kd, d2Length) stc := stc > 100 ? 100 : stc < 0 ? 0 : stc //stcColor = not highlightBreakouts ? (stc > stc[1] ? green : red) : #ff3013 //stcPlot = plot(stc, title="STC", color=stcColor, transp=0) upper = input(75, defval=75) lower = input(25, defval=25) transparent = color(white, 100) upperLevel = plot(upper, title="Upper", color=gray) // hline(50, title="Middle", linestyle=dotted) lowerLevel = plot(lower, title="Lower", color=gray) fill(upperLevel, lowerLevel, color=#f9cb9c, transp=90) upperFillColor = stc > upper and highlightBreakouts ? green : transparent lowerFillColor = stc < lower and highlightBreakouts ? red : transparent //fill(upperLevel, stcPlot, color=upperFillColor, transp=80) //fill(lowerLevel, stcPlot, color=lowerFillColor, transp=80) long = crossover(stc, lower) ? lower : na short = crossunder(stc, upper) ? upper : na long_filt = long and not short short_filt = short and not long prev = 0 prev := long_filt ? 1 : short_filt ? -1 : prev[1] long_final = long_filt and prev[1] == -1 short_final = short_filt and prev[1] == 1 strategy.entry("long", strategy.long, when = long ) strategy.entry("short", strategy.short, when = short) plotshape(crossover(stc, lower) ? lower : na, title="Crossover", location=location.absolute, style=shape.circle, size=size.tiny, color=green, transp=0) plotshape(crossunder(stc, upper) ? upper : na, title="Crossunder", location=location.absolute, style=shape.circle, size=size.tiny, color=red, transp=0) alertcondition(long_final, "Long", message="Long") alertcondition(short_final,"Short", message="Short") plotshape(long_final, style=shape.arrowup, text="Long", color=green, location=location.belowbar) plotshape(short_final, style=shape.arrowdown, text="Short", color=red, location=location.abovebar)