My script

//version=5
indicator("IMK RSI-50 10x Reversal (Buy/Sell + Divergence + MTF + MAs + Alerts)", overlay=true, max_labels_count=500)

//========================================================
// 🔧 Inputs
//========================================================
rsiLen = input.int(14, "RSI Length")
stochLen = input.int(14, "Stoch RSI Length")
kLen = input.int(3, "Stoch K")
dLen = input.int(3, "Stoch D")
volShortLen = input.int(5, "Volume Short EMA")
volLongLen = input.int(20, "Volume Long EMA")

shortMA_len = input.int(20, "Short MA Length")
longMA_len = input.int(800, "Long MA Length")

lbL = input.int(2, "Pivot Left (Div)")
lbR = input.int(2, "Pivot Right (Div)")
requireDiv = input.bool(true, "Require Bullish Divergence?")

useMTF = input.bool(true, "Use Higher-Timeframe RSI?")
htf = input.timeframe("240", "Higher TF (4H)")

//========================================================
// 📈 Moving Averages
//========================================================
shortMA = ta.sma(close, shortMA_len)
longMA = ta.sma(close, longMA_len)

plot(shortMA, "Short MA", color=color.orange, linewidth=2)
plot(longMA, "800 MA", color=color.blue, linewidth=2)

//========================================================
// 📈 RSI + Crosses
//========================================================
rsi = ta.rsi(close, rsiLen)
rsi50 = 50

rsiCrossUp = ta.crossover(rsi, rsi50)
rsiCrossDown = ta.crossunder(rsi, rsi50)

//========================================================
// ⏫ MTF Confirmation
//========================================================
rsiHTF = request.security(syminfo.tickerid, htf, ta.rsi(close, rsiLen))
htfOk = useMTF ? rsiHTF > 50 : true

//========================================================
// 🌀 Stoch RSI
//========================================================
rsiSrc = rsi
rsiLowest = ta.lowest(rsiSrc, stochLen)
rsiHighest = ta.highest(rsiSrc, stochLen)
stochRaw = (rsiSrc - rsiLowest) / math.max(rsiHighest - rsiLowest, 1e-10) * 100

k = ta.sma(stochRaw, kLen)
d = ta.sma(k, dLen)

stochCrossUp = ta.crossover(k, d)
stochCrossDown = ta.crossunder(k, d)

//========================================================
// 📦 Volume Oscillator
//========================================================
volShort = ta.ema(volume, volShortLen)
volLong = ta.ema(volume, volLongLen)
volOsc = volShort - volLong
volPositive = volOsc > 0

//========================================================
// 🔍 Bullish Divergence (Simple)
//========================================================
plPrice = ta.pivotlow(low, lbL, lbR)
plRSI = ta.pivotlow(rsi, lbL, lbR)

priceLow1 = ta.valuewhen(not na(plPrice), low[lbR], 0)
priceLow2 = ta.valuewhen(not na(plPrice), low[lbR], 1)
rsiLow1 = ta.valuewhen(not na(plRSI), rsi[lbR], 0)
rsiLow2 = ta.valuewhen(not na(plRSI), rsi[lbR], 1)

bullDivSimple =
not na(priceLow1) and not na(priceLow2) and
not na(rsiLow1) and not na(rsiLow2) and
priceLow1 < priceLow2 and rsiLow1 > rsiLow2

//========================================================
// 🎯 IMK A+ Long Setup
//========================================================
coreOK = rsiCrossUp and stochCrossUp and volPositive
divOK = requireDiv ? bullDivSimple : true
aPlusLong = coreOK and divOK and htfOk

//========================================================
// 🟢 BUY / 🔴 SELL Signals
//========================================================
buySignal = aPlusLong
sellSignal = rsiCrossDown // Clean exit rule

plotshape(buySignal, title="BUY", style=shape.triangleup, location=location.belowbar, color=color.green, size=size.small, text="BUY")
plotshape(sellSignal, title="SELL", style=shape.triangledown, location=location.abovebar, color=color.red, size=size.small, text="SELL")

//========================================================
// 🔔 ALERT CONDITIONS (OPTIMIZED FOR PHONE & EMAIL)
//========================================================
alertcondition(rsiCrossUp, title="RSI 50 CROSS UP",
message="IMK ALERT: RSI crossed ABOVE 50 — potential entry.")

alertcondition(rsiCrossDown, title="RSI 50 CROSS DOWN",
message="IMK ALERT: RSI fell BELOW 50 — exit signal.")

alertcondition(aPlusLong, title="IMK A+ LONG SETUP",
message="IMK BUY SETUP: RSI>50, Stoch up, Volume positive, MTF OK, Divergence OK.")

alertcondition(buySignal, title="IMK BUY SIGNAL",
message="IMK BUY: Full BUY signal confirmed.")

alertcondition(sellSignal, title="IMK SELL SIGNAL",
message="IMK SELL: RSI lost 50 — exit now.")