LTCBTC LONG DIVERGENCE

I would like to find an explanation of this long divergence that we see with the Momentum and MACD, RSI is not visible.

Divergence he starts from 23/12/2013 to today.

same thing happened on 18.04.2013 ended on 17/11/2013

Same identical pattern made ​​exception of the MACD which has not recorded the divergence.