study(title="4MA", overlay=true)
short = sma(low, 8)
long = sma(high, 10)
plot(short, title="SMA8", color = yellow, linewidth = 2)
plot(long, title="SMA10", color = orange, linewidth = 2)
plot(cross(short, long) ? short : na, style = cross ,color = lime, linewidth = 4)
sma3 = sma(close, 50)
sma4 = sma(close, 200)
plot(sma3, title="SMA50", color = blue, linewidth = 2)
plot(sma4, title="SMA200", color = fuchsia, linewidth = 2)
plot(cross(sma3, sma4) ? sma4 : na, style = cross, color = lime, linewidth = 4)