prueba 1
study(title="Double Exponential Moving Average", shorttitle="DEMA", overlay=true) length = input(12, minval=1) e1 = ema(close, length) e2 = ema(e1, length) dema12 = 2 * e1 - e2 plot(dema12, color=red) length_2 = input(26, minval=1) e1_2 = ema(close, length_2) e2_2 = ema(e1_2, length_2) dema26 = 2 * e1_2 - e2_2 plot(dema26, color=blue)