C'est une combinaison de stratégies pour obtenir un signal cumulatif.
Première stratégie Cet indicateur représente une moyenne mobile exponentielle de 2/20. Avg X 2/20 Indicateur, la barre EMA sera peinte lorsque les critères d'alerte sont remplis.
Deuxième stratégie L'article connexe est du matériel protégé par le droit d'auteur de Les actions et les matières premières mars 2010
Attention!
test de retour
//@version=5 //////////////////////////////////////////////////////////// // Copyright by HPotter v1.0 05/04/2022 // This is combo strategies for get a cumulative signal. // // First strategy // This indicator plots 2/20 exponential moving average. For the Mov // Avg X 2/20 Indicator, the EMA bar will be painted when the Alert criteria is met. // // Second strategy // The related article is copyrighted material from // Stocks & Commodities Mar 2010 // // // WARNING: // - For purpose educate only // - This script to change bars colors. //////////////////////////////////////////////////////////// EMA20(Length) => pos = 0.0 xPrice = close xXA = ta.ema(xPrice, Length) nHH = math.max(high, high[1]) nLL = math.min(low, low[1]) nXS = nLL > xXA or nHH < xXA ? nLL : nHH iff_1 = nXS < close[1] ? 1 : nz(pos[1], 0) pos := nXS > close[1] ? -1 : iff_1 pos BPF(Length,Delta,SellZone,BuyZone) => pos = 0.0 xPrice = hl2 beta = math.cos(3.14 * (360 / Length) / 180) gamma = 1 / math.cos(3.14 * (720 * Delta / Length) / 180) alpha = gamma - math.sqrt(gamma * gamma - 1) BP = 0.0 BP := 0.5 * (1 - alpha) * (xPrice - xPrice[2]) + beta * (1 + alpha) * nz(BP[1]) - alpha * nz(BP[2]) pos:= BP > SellZone ? 1 : BP <= BuyZone? -1 : nz(pos[1], 0) pos strategy(title='Combo 2/20 EMA & Bandpass Filter', shorttitle='Combo', overlay=true) var I1 = '●═════ 2/20 EMA ═════●' Length = input.int(14, minval=1, group=I1) var I2 = '●═════ Bandpass Filter ═════●' LengthBPF = input.int(20, minval=1, group=I2) Delta = input(0.5, group=I2) SellZone = input.float(5, step = 0.01, group=I2) BuyZone = input.float(-5, step = 0.01, group=I2) var misc = '●═════ MISC ═════●' reverse = input.bool(false, title='Trade reverse', group=misc) var timePeriodHeader = '●═════ Time Start ═════●' d = input.int(1, title='From Day', minval=1, maxval=31, group=timePeriodHeader) m = input.int(1, title='From Month', minval=1, maxval=12, group=timePeriodHeader) y = input.int(2005, title='From Year', minval=0, group=timePeriodHeader) StartTrade = time > timestamp(y, m, d, 00, 00) ? true : false posEMA20 = EMA20(Length) prePosBPF = BPF(LengthBPF,Delta,SellZone,BuyZone) iff_1 = posEMA20 == -1 and prePosBPF == -1 and StartTrade ? -1 : 0 pos = posEMA20 == 1 and prePosBPF == 1 and StartTrade ? 1 : iff_1 iff_2 = reverse and pos == -1 ? 1 : pos possig = reverse and pos == 1 ? -1 : iff_2 if possig == 1 strategy.entry('Long', strategy.long) if possig == -1 strategy.entry('Short', strategy.short) if possig == 0 strategy.close_all() //barcolor(possig == -1 ? #b50404 : possig == 1 ? #079605 : #0536b3)