Sine Wave Trading

//@version=5
strategy("Sine Wave Trading", overlay=true)

// Input parameters
fast_period = input.int(5, "Fast Period", minval=1)
slow_period = input.int(34, "Slow Period", minval=1)
displace = input.int(0, "Displace", minval=-500, maxval=500)

// Compute sine wave
sine = ta.sine(close, fast_period, slow_period, displace)

// Plot sine wave and buy/sell signals
plot(sine, color=color.blue, linewidth=2)
buy_signal = crossover(close, sine)
sell_signal = crossunder(close, sine)
plotshape(buy_signal, style=shape.triangleup, location=location.belowbar, color=color.green)
plotshape(sell_signal, style=shape.triangledown, location=location.abovebar, color=color.red)

// Compute account balance and trade size
balance = strategy.netprofit + strategy.equity
position_size = balance / close

// Check if asset is at dip or top on all timeframes
is_dip_1min = ta.lowest(close, 20) == close
is_top_1min = ta.highest(close, 20) == close
is_dip_5min = ta.lowest(close, 100) == close
is_top_5min = ta.highest(close, 100) == close
is_dip_1h = ta.lowest(close, 600) == close
is_top_1h = ta.highest(close, 600) == close

// Entry and exit logic
if buy_signal and is_dip_1min and is_dip_5min and is_dip_1h
    strategy.entry("long", strategy.long, qty=position_size)
    strategy.exit("exit", "long", profit=ta.highest(sine, 60), loss=ta.lowest(sine, 60))

if sell_signal and is_top_1min and is_top_5min and is_top_1h
    strategy.entry("short", strategy.short, qty=position_size)
    strategy.exit("exit", "short", profit=ta.lowest(sine, 60), loss=ta.highest(sine, 60))