Stochastic indicator shows that we are in oversold zone . Price may form a gartley pattern at a previous support level tested 3 times and few pips under D point of max bullish shark pattern . Price might reverse and go up in order to test previous levels after a long bearish movement . For a buy at 0.89245 ,TP at 0.90771 and SL at 0.88736 you get a RR ratio of 3 .