RSI Cross for BTC Dominance

In order to get stable alt-coin investments, the BTC dominance (BTC.D) is of parmaount importance.
With this script, I plotted both RSI (28) and the EMA (9).
Whenever the RSI is decreasing and is below EMA, alt-coins are more likely thrive.
Viceversa, when the RSI is mounting the is at least 10% above the EMA, BTC is growing in dominance.