Combo Strategy 123 Reversal & Center Of Gravity

This is combo strategies for get a cumulative signal.

First strategy
This System was created from the Book "How I Tripled My Money In The
Futures Market" by Ulf Jensen, Page 183. This is reverse type of strategies.
The strategy buys at market, if close price is higher than the previous close
during 2 days and the meaning of 9-days Stochastic Slow Oscillator is lower than 50.
The strategy sells at market, if close price is lower than the previous close price
during 2 days and the meaning of 9-days Stochastic Fast Oscillator is higher than 50.

Second strategy
The indicator is based on moving averages. On the basis of these, the
"center" of the price is calculated, and price channels are also constructed,
which act as corridors for the asset quotations.

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