Get Currency option trading Code That Actually Works

//@version=5
indicator("Currency Option Trading Signals", shorttitle="COT Signals", overlay=true)

// Input parameters
st_length = input.int(10, "SuperTrend ATR Length", minval=1)
st_mult = input.float(3.0, "SuperTrend Multiplier", minval=0.1, step=0.1)
rsi_length = input.int(14, "RSI Length", minval=1)
div_lookback = input.int(5, "Divergence Lookback", minval=2)
vol_length = input.int(20, "Volume MA Length", minval=1)
vol_mult = input.float(1.5, "Volume Spike Multiplier", minval=1.0, step=0.1)

// SuperTrend calculation
[supertrend, direction] = ta.supertrend(st_mult, st_length)
plot(supertrend, "SuperTrend", color=direction < 0 ? color.green : color.red, linewidth=2)

// RSI for divergence
rsi = ta.rsi(close, rsi_length)

// Pivot points for price and RSI
div_left = div_lookback, div_right = div_lookback
price_pivot_high = ta.pivothigh(high, div_left, div_right)
price_pivot_low = ta.pivotlow(low, div_left, div_right)
rsi_pivot_high = ta.pivothigh(rsi, div_left, div_right)
rsi_pivot_low = ta.pivotlow(rsi, div_left, div_right)

// Detect bullish divergence: lower price low, higher RSI low
var float prev_price_low = na
var float prev_rsi_low = na
bullish_div = false
if not na(price_pivot_low)
    if not na(prev_price_low) and low[div_right] < prev_price_low and rsi[div_right] > prev_rsi_low
        bullish_div := true
    prev_price_low := low[div_right]
    prev_rsi_low := rsi[div_right]

// Detect bearish divergence: higher price high, lower RSI high
var float prev_price_high = na
var float prev_rsi_high = na
bearish_div = false
if not na(price_pivot_high)
    if not na(prev_price_high) and high[div_right] > prev_price_high and rsi[div_right] < prev_rsi_high
        bearish_div := true
    prev_price_high := high[div_right]
    prev_rsi_high := rsi[div_right]

// Volume confirmation
vol_ma = ta.sma(volume, vol_length)
high_volume = volume > vol_ma * vol_mult

// Signals for currency options (Call/Put entries)
st_bull_flip = ta.crossover(close, supertrend)
st_bear_flip = ta.crossunder(close, supertrend)
call_signal = st_bull_flip and (bullish_div or high_volume)
put_signal = st_bear_flip and (bearish_div or high_volume)

// Plots
plotshape(call_signal, "Call Signal", shape.triangleup, location.belowbar, color.lime, size=size.small)
plotshape(put_signal, "Put Signal", shape.triangledown, location.abovebar, color.red, size=size.small)

// Alerts
alertcondition(call_signal, "Currency Option Call Alert", "CALL signal: SuperTrend bull + divergence/volume on {{ticker}}")
alertcondition(put_signal, "Currency Option Put Alert", "PUT signal: SuperTrend bear + divergence/volume on {{ticker}}")

// Background color for trend
dir_color = direction < 0 ? color.new(color.green, 90) : color.new(color.red, 90)
bgcolor(dir_color)