My script

//version=5
indicator("MA + OI + Volume Breakout", overlay=true)

// === MA Parameters ===
ma_type = input.string("EMA", title="MA Type", options=["SMA", "EMA", "WMA"])
ma(src, len, type) =>
type == "SMA" ? ta.sma(src, len) :
type == "EMA" ? ta.ema(src, len) :
ta.wma(src, len)

ma5 = ma(close, 5, ma_type)
ma21 = ma(close, 21, ma_type)
ma50 = ma(close, 50, ma_type)
ma100 = ma(close, 100, ma_type)

plot(ma5, "5-day MA", color=color.yellow, linewidth=2)
plot(ma21, "21-day MA", color=color.orange, linewidth=2)
plot(ma50, "50-day MA", color=color.fuchsia, linewidth=2)
plot(ma100, "100-day MA", color=color.blue, linewidth=2)

// === Trend Signal ===
bullish_trend = ma5 > ma21 and ma21 > ma50 and ma50 > ma100
bearish_trend = ma5 < ma21 and ma21 < ma50 and ma50 < ma100
bgcolor(bullish_trend ? color.new(color.green, 85) : bearish_trend ? color.new(color.red, 85) : na)

// === Volume Breakout ===
vol_avg = ta.sma(volume, 20)
vol_breakout = volume > 1.5 * vol_avg
plotshape(vol_breakout, title="Volume Breakout", location=location.belowbar, style=shape.circle, color=color.aqua, size=size.tiny)

// === Open Interest Overlay (assumes OI data via external input or future integration) ===
// Placeholder: simulate OI input (replace with `request.security(syminfo.tickerid, ..., ...)` if available)
oi = input.float(na, title="Open Interest (external feed)")
oi_avg = ta.sma(oi, 20)
oi_breakout = oi > 1.2 * oi_avg

plotshape(not na(oi) and oi_breakout, title="OI Spike", location=location.belowbar, style=shape.diamond, color=color.purple, size=size.tiny)
plot(oi, title="Open Interest", color=color.gray, display=display.none) // Optional: hidden line for alerts

// === Composite Signal ===
strong_long = bullish_trend and vol_breakout and oi_breakout
plotshape(strong_long, title="Strong Long Signal", location=location.belowbar, style=shape.labelup, text="LONG", size=size.small, color=color.lime)

// === Screener Logic ===
// Use `strong_long` as your filter condition in a screener or dashboard output