স্মার্ট ফোম কুলিং কৌশল

/*backtest
start: 2025-09-15 00:00:00
end: 2025-10-14 08:00:00
period: 1d
basePeriod: 1d
exchanges: [{"eid":"Futures_Binance","currency":"ETH_USDT","balance":500000}]
*/

//@version=5
strategy("Pump-Smart Shorting Strategy", overlay=true)

// Inputs
lookbackPeriod = input.int(20, "Lookback Period for New High", minval=5)
minProfitPerc  = input.float(0.02, "Take Profit %", minval=0.001)
stopLossPerc   = input.float(0.06, "Stop Loss %", minval=0.001)
hedgeTokens    = input.int(1, "Hedge Tokens")

// Pump detection inputs
rsiPeriod = input.int(14, "RSI Period")
rsiHigh   = input.float(70, "Pump RSI ≥")
rsiCool   = input.float(60, "Pump cool-off RSI ≤")
volMult   = input.float(1.5, "Volume Pump Multiplier")
pctUp     = input.float(0.05, "1-bar Up % for Pump")
barsWait  = input.int(0, "Bars to wait after pump ends", minval=0, maxval=10)

// Tech
rsi = ta.rsi(close, rsiPeriod)
avgVol = ta.sma(volume, 20)
oneBarUp = (close - close[1]) / close[1]

// Pump on if any strong up-move pattern
pumpOn = (rsi >= rsiHigh) or (volume > avgVol * volMult and oneBarUp > pctUp)

// Track pump state with var and transitions
var bool wasPump = false
pumpStart = not wasPump and pumpOn
pumpEnd   = wasPump and not pumpOn

// Update state each bar
wasPump := pumpOn

// Count bars since pump ended
var int barsSincePumpEnd = 10000
barsSincePumpEnd := pumpEnd ? 0 : math.min(10000, barsSincePumpEnd + 1)

// Define "pump ended and cooled" condition
cooled = (rsi <= rsiCool) and (oneBarUp <= pctUp/2 or volume <= avgVol * (volMult * 0.8))

// Immediate short signal when pump finishes and cooled (with optional wait)
shortAfterPump = (barsSincePumpEnd >= barsWait) and cooled and not pumpOn and strategy.position_size == 0

// Also allow shorts on fresh new highs when not pumping (optional, keep for more entries)
isNewHigh = high > ta.highest(high, lookbackPeriod)[1]
shortOnPeak = isNewHigh and not pumpOn and strategy.position_size == 0

// Define conditions where we DON'T short (for red background)
noShortZone = pumpOn or (isNewHigh and pumpOn) or (barsSincePumpEnd < barsWait) or not cooled

// Preemptive close if pump turns on while short
var float shortEntry = na
inShort = strategy.position_size < 0 and not na(shortEntry)
if inShort and pumpOn
    strategy.close("Short")
    shortEntry := na

// Entry rules: short either right after pump ends OR on new high when not pumping
if (shortAfterPump or shortOnPeak) and strategy.position_size == 0
    strategy.entry("Short", strategy.short, qty=hedgeTokens)
    shortEntry := na

// Track entry price
if strategy.position_size < 0 and na(shortEntry)
    shortEntry := strategy.position_avg_price
if strategy.position_size == 0
    shortEntry := na
inShort := strategy.position_size < 0 and not na(shortEntry)

// TP/SL
tp = shortEntry * (1 - minProfitPerc)
sl = shortEntry * (1 + stopLossPerc)
exitTP = inShort and close <= tp
exitSL = inShort and close >= sl
if exitTP
    strategy.close("Short")
if exitSL
    strategy.close("Short")

// Visuals - REMOVED TEXT FROM ARROWS
plotshape(pumpStart, style=shape.circle, color=color.orange, location=location.abovebar, size=size.tiny)
plotshape(pumpEnd, style=shape.circle, color=color.teal, location=location.abovebar, size=size.tiny)
plotshape(shortAfterPump, style=shape.triangledown, color=color.blue, location=location.abovebar, size=size.small)
plotshape(shortOnPeak, style=shape.triangledown, color=color.red, location=location.abovebar, size=size.tiny)

plot(inShort ? shortEntry : na, color=color.blue, linewidth=2, title="Short Entry")
plot(inShort ? tp : na, color=color.green, linewidth=2, title="TP")
plot(inShort ? sl : na, color=color.red, linewidth=2, title="SL")

// Background colors - ADDED RED NO-SHORT ZONES
bgcolor(pumpOn ? color.new(color.orange, 92) : na, title="Pump Zone")
bgcolor(shortAfterPump ? color.new(color.blue, 92) : na, title="Post-Pump Short Zone")
bgcolor(noShortZone and not pumpOn ? color.new(color.red, 95) : na, title="No Short Zone")