The Balance of Power (BOP) indicator was described by Igor Livshin and measures the strength of the bulls vs bears by assessing the ability of each to push price to an extreme level. The BOP oscillates between extremes of -1 and +1.
The Exp_CoeffofLine_true Expert Advisor based on the CoeffofLine_true indicator. A signal to perform a deal is formed at bar closing, if the histogram breakthroughs its zero levelExp_CenterOfGravity
The Exp_CenterOfGravity Expert Advisor is based on the CenterOfGravity indicator. The signal is formed when a bar is closing if there is crossing of indicator and its signal line.