// Credit to @kerberos007.
//@version=5
indicator("VIX / VIX3M", overlay = false)

vix = request.security("VIX", "D", close)
vix3m = request.security("VIX3M", "D", close)

vix_ratio = vix / vix3m

fastEMA = ta.ema(vix_ratio, 7)
slowEMA = ta.ema(vix_ratio, 12)

plot(fastEMA, color = color.green)
plot(slowEMA, color = color.red)