Combo 2/20 EMA & Bull Power

This is combo strategies for get a cumulative signal.

First strategy
This indicator plots 2/20 exponential moving average. For the Mov
Avg X 2/20 Indicator, the EMA bar will be painted when the Alert criteria is met.

Second strategy
Bull Power Indicator
To get more information please see "Bull And Bear Balance Indicator"
by Vadim Gimelfarb.

WARNING:
- For purpose educate only
- This script to change bars colors.