GBPNZD risky counter trend buy setup H4 RR=2.7

We have a RSI divergence showing a weakening bearish trend , stochastic indicator shows that we are in oversold zone , price formed a bullish shark pattern (orange) at potential reversal zone ; the D point of bullish crab pattern in bigger movement (purple) . For a buy at 1.87727 , TP at 1.90812 and SL at 1.86595 you get a RR ratio of 2.7 .