RSI + EMA + Volume Breakout (Robust)

//version=5
indicator("RSI + EMA + Volume Breakout (Robust)", overlay=true)

// === INPUTS ===
ema1_len = input.int(20, "EMA Fast (Short)")
ema2_len = input.int(50, "EMA Slow (Long)")
rsi_len = input.int(14, "RSI Length")
vol_mult = input.float(1.5, "Volume Multiplier", step=0.1)
vol_sma_len = input.int(20, "Volume SMA Length")

// === INDICATORS ===
ema1 = ta.ema(close, ema1_len)
ema2 = ta.ema(close, ema2_len)
rsi = ta.rsi(close, rsi_len)
vol_avg = ta.sma(volume, vol_sma_len)
vol_avg_safe = nz(vol_avg) == 0 ? 1 : vol_avg // protect against zero

// === CONDITIONS ===
bull_cross = ta.crossover(ema1, ema2)
bear_cross = ta.crossunder(ema1, ema2)

vol_break = volume > vol_avg_safe * vol_mult
rsi_bull = rsi > 55
rsi_bear = rsi < 45

buy_signal = bull_cross and vol_break and rsi_bull and close > ema1 and close > ema2
sell_signal = bear_cross and vol_break and rsi_bear and close < ema1 and close < ema2

// === PLOT EMAs ===
plot(ema1, title="EMA 20", linewidth=2)
plot(ema2, title="EMA 50", linewidth=2)

// === SIGNALS ===
plotshape(buy_signal, title="Buy Signal", location=location.belowbar, color=color.green, style=shape.triangleup, size=size.large)
plotshape(sell_signal, title="Sell Signal", location=location.abovebar, color=color.red, style=shape.triangledown, size=size.large)

// === ALERTS ===
alertcondition(buy_signal, title="Buy Alert", message="Buy Signal Triggered")
alertcondition(sell_signal, title="Sell Alert", message="Sell Signal Triggered")