NZDCHF Engulf

We can see in yellow candle, its a bullish engulfing signal which I program in Pine. In this signal there is a potentially position to open, with the scenario based on Fibonacci Retracement .

Scenario
OP : 0.6104 - 0.6114 (38-50) percent
SL : 0.6073 (0) percent
TP : 0.6206 (168) percent