多指数均线交叉动量预警交易策略

/*backtest
start: 2024-03-24 00:00:00
end: 2024-11-14 00:00:00
period: 3h
basePeriod: 3h
exchanges: [{"eid":"Futures_Binance","currency":"BTC_USDT"}]
*/

//@version=6
strategy(title='GRIM309 CallPut Strategy', shorttitle='CallsPuts Strategy', overlay=true, initial_capital=500, commission_value=0.1)

// Input parameters for EMAs
len5 = input.int(5, minval=1, title='5 EMA Length')
len10 = input.int(10, minval=1, title='10 EMA Length')
len15 = input.int(15, minval=1, title='15 EMA Length')
len20 = input.int(20, minval=1, title='20 EMA Length')
len50 = input.int(50, minval=1, title='50 EMA Length')
len200 = input.int(200, minval=1, title='200 EMA Length')

// EMA calculations
ema5 = ta.ema(close, len5)
ema10 = ta.ema(close, len10)
ema15 = ta.ema(close, len15)
ema20 = ta.ema(close, len20)
ema50 = ta.ema(close, len50)
ema200 = ta.ema(close, len200)

// Plot EMAs with specified colors
plot(ema5, title='EMA 5', color=color.lime)
plot(ema10, title='EMA 10', color=color.rgb(64, 131, 170))
plot(ema20, title='EMA 20', color=color.purple)
plot(ema50, title='EMA 50', color=color.red)
plot(ema200, title='EMA 200', color=color.white)

// Determine trend conditions
uptrend = ema10 > ema20 and close > ema50
downtrend = ema10 < ema20 and close < ema50

// Plot trend indicators at the bottom of the chart
plotshape(series=uptrend, location=location.bottom, color=color.orange, style=shape.triangleup, text='+', title='Uptrend Indicator')
plotshape(series=downtrend, location=location.bottom, color=color.orange, style=shape.triangledown, text='-', title='Downtrend Indicator')

// Position state variable
var int positionState = 0  // 0 = no position, 1 = long, -1 = short

// Cooldown period settings (dont open right after a close)
cooldownBars = input.int(2, minval=1, title='Cooldown Period (bars)')
var int barsSinceClose = na

// Additional check for EMA5 trend confirmation (optional check to see that it is already in momentum short term)
emaCheckCall = ema5 > ema5[1] and ema5 > ema10
emaCheckPut = ema5 < ema5[1] and ema5 < ema10

// Open and close conditions for calls
openCalls = uptrend and emaCheckCall and positionState == 0 and (na(barsSinceClose) or barsSinceClose >= cooldownBars) 
closeCalls = positionState == 1 and (close <= ema15)

// Open and close conditions for puts
openPuts = downtrend and emaCheckPut and positionState == 0 and (na(barsSinceClose) or barsSinceClose >= cooldownBars)
closePuts = positionState == -1 and (close >= ema15)

// --- WARNING SYSTEM ---

// Calculate recent percentage differences between ema5 and ema10
diffNow = (ema5 - ema10) / ema10 * 100
diff1 = (ema5[1] - ema10[1]) / ema10[1] * 100
diff2 = (ema5[2] - ema10[2]) / ema10[2] * 100
diff3 = (ema5[3] - ema10[3]) / ema10[3] * 100
diff4 = (ema5[4] - ema10[4]) / ema10[4] * 100
diff5 = (ema5[5] - ema10[5]) / ema10[5] * 100

if diffNow < 0
    diffNow:=diffNow*-1
if diff1 < 0
    diff1:=diff1*-1
if diff2 < 0
    diff2:=diff2*-1
if diff3 < 0
    diff3:=diff3*-1
if diff4 < 0
    diff4:=diff4*-1
if diff5 < 0
    diff5:=diff5*-1

// Compute average of last 5 changes
avgChange = (math.abs(diff1 - diff2) + math.abs(diff2 - diff3) + math.abs(diff3 - diff4) + math.abs(diff4 - diff5)) / 4

// Check if latest change is more than double the average
isWarning = positionState != 0 and math.abs(diffNow - diff1) > 2.5 * avgChange and diffNow < diff1

// Draw warning symbol
plotshape(series=isWarning, location=location.belowbar, color=color.red, style=shape.cross, text='⚠', textcolor=color.white, title='Warning Signal')

if isWarning //optional, close position if a warning emits
    if positionState == 1  // Only close calls if the last position was a long
        closeCalls := true
    if positionState == -1 // Only close puts if the last position was a short
        closePuts := true

// Update position state and cooldown counter based on signals
if (openCalls)
    strategy.entry('Long', strategy.long)
    positionState := 1
    barsSinceClose := na  // Reset cooldown counter when opening a position

if (closeCalls)
    strategy.close('Long')
    positionState := 0
    barsSinceClose := 0  // Start cooldown counter when closing a position

if (openPuts)
    strategy.entry('Short', strategy.short)
    positionState := -1
    barsSinceClose := na  // Reset cooldown counter when opening a position

if (closePuts)
    strategy.close('Short')
    positionState := 0
    barsSinceClose := 0  // Start cooldown counter when closing a position

// Increment cooldown counter if it's active
if (not na(barsSinceClose))
    barsSinceClose += 1

// Plot open and close signals for Calls
plotshape(series=openCalls, location=location.belowbar, color=color.green, style=shape.arrowup, text='Open', textcolor=color.white, title='Open call position')
plotshape(series=closeCalls, location=location.abovebar, color=color.green, style=shape.arrowdown, text='Close', textcolor=color.white, title='Close call position')

// Plot open and close signals for Puts
plotshape(series=openPuts, location=location.abovebar, color=color.red, style=shape.arrowdown, text='Open', textcolor=color.white, title='Open put position')
plotshape(series=closePuts, location=location.belowbar, color=color.red, style=shape.arrowup, text='Close', textcolor=color.white, title='Close put position')

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