//@version=5 indicator("Simple SMA Crossover", overlay=true) // Define the lengths for the short and long simple moving averages shortLength = input(9, title="Short SMA Length") longLength = input(21, title="Long SMA Length") // Calculate the SMAs shortSMA = ta.sma(close, shortLength) longSMA = ta.sma(close, longLength) // Plot the SMAs on the...