Its5

//version=5
indicator("HMA Trend Signal", overlay=true)

// Parameters
length = input.int(21, title="HMA Length")

// Calculate the Hull Moving Average
wma1 = ta.wma(close, length)
wma2 = ta.wma(close, length / 2)
hma = ta.wma(2 * wma2 - wma1, math.round(math.sqrt(length)))

// Define conditions for buy and sell signals
buySignal = ta.crossover(close, hma)
sellSignal = ta.crossunder(close, hma)

// Plot the Hull Moving Average
plot(hma, color=color.blue, title="HMA")

// Plot signals
plotshape(buySignal, color=color.green, style=shape.labelup, location=location.belowbar, text="BUY", size=size.small)
plotshape(sellSignal, color=color.red, style=shape.labeldown, location=location.abovebar, text="SELL", size=size.small)