Early entry on trend reversal

Updated
GBPCHF has been on a strong uptrend with no significant retracements. Furthermore, this pair has recently experienced some rejection of the upper resistance line and appears to be struggling to move upwards.

I have placed my short in the following location. First target is as indicated. Large volume coinciding with the pinbar candle indicates a possible reversion near this level.
Note
Price decided to break out higher. I'm adding a second position near the top of the resistance area.

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