Usually i am not a big fan of harmonics because of the many levels that are needed to be reached, before a harmonic pattern is complete. The levels should also match the price action of strong resistance and support zones,
and i see it very rarely that the levels match the price action of strong support/resistance zones.
I use the harmonic in this chart because if you look back you can see some strong support and resistance zones That are in harmony with the harmonic levels of fibonacci
The price could go up to the (0.77206) area before the pattern is complete. but because of the strong resistance at the (0.75508) area/ B leg, which are the 50% fibonacci level of X and A leg, we only need a tight stop loss, just slightly above the 88% fibo level (10-20 pips) according to Scott Carney.
If the price breaks the (0.75108) area i will put an short position with stop loss at (0.76148) Take profit (0.71934)
If the price keeps climbing, i will place a short position at (0.77206) area. with take profit (0.73739) Stop loss 10-20 pips above (0.77206)