AI Oversold Swing - Screener

//version=5
indicator("AI Oversold Swing - Screener", overlay=false)

// ─────────────────────────
// USER INPUTS
// ─────────────────────────
maxPrice = input.float(75.0, "Max Price ($)")
rsiLen = input.int(14, "RSI Length")
rsiOversold = input.float(35.0, "RSI Oversold Level")

bbLen = input.int(20, "BB Length")
bbMult = input.float(2.0, "BB StdDev")

supportLen = input.int(20, "Support Lookback (days)")
nearSupportPct = input.float(1.5, "Near Support %")
undercutPct = input.float(0.5, "Allowed Undercut %")

atrLen = input.int(14, "ATR Length")
maxATRfromSup = input.float(1.0, "Max ATR From Support")

minDollarVol = input.float(75000000.0, "Min Dollar Volume", step=1000000)

requireTrigger = input.bool(false, "Require Reversal Trigger")

// ─────────────────────────
// DAILY DATA (screener uses indicator outputs)
// ─────────────────────────
dClose = request.security(syminfo.tickerid, "D", close)
dLow = request.security(syminfo.tickerid, "D", low)
dVol = request.security(syminfo.tickerid, "D", volume)
dPrevC = request.security(syminfo.tickerid, "D", close[1])

// ─────────────────────────
// INDICATORS
// ─────────────────────────
rsi = ta.rsi(dClose, rsiLen)

basis = ta.sma(dClose, bbLen)
dev = bbMult * ta.stdev(dClose, bbLen)
bbLow = basis - dev

atr = request.security(syminfo.tickerid, "D", ta.atr(atrLen))

support = ta.lowest(dLow, supportLen)

distPct = support > 0 ? (dClose - support) / support * 100.0 : na
distATR = atr > 0 ? (dClose - support) / atr : na

dollarVol = dClose * dVol

// ─────────────────────────
// CONDITIONS
// ─────────────────────────
priceOK = dClose > 0 and dClose <= maxPrice
liqOK = dollarVol >= minDollarVol

oversold = (rsi <= rsiOversold) and (dClose <= bbLow)

nearSup =
support > 0 and
dClose <= support * (1 + nearSupportPct / 100.0) and
dClose >= support * (1 - undercutPct / 100.0) and
distATR <= maxATRfromSup

setup = priceOK and liqOK and oversold and nearSup

// Optional reversal confirmation
rsiReversal = ta.crossover(rsi, rsiOversold)
greenCandle = dClose > dPrevC
trigger = rsiReversal or greenCandle

signal = requireTrigger ? (setup and trigger) : setup

// ─────────────────────────
// SCREENER OUTPUTS
// ─────────────────────────
plot(signal ? 1 : 0, title="Signal (1 = YES)")
plot(rsi, title="RSI (Daily)")
plot(distPct, title="Dist to Support % (Daily)")
plot(distATR, title="Dist to Support ATR (Daily)")
plot(dollarVol, title="Dollar Volume (Daily)")