In the 4H timeframe price has had a bearish breakout, losing momentum and getting lower lows in an uptrend which is the first reason to be in a short position, on the other hand in 1H timeframe and the small uptrend there is another bearish breakout which can be considered as confirmation. Plus this area has been a key area which looks to be acting as a strong resistance now. which makes it a nice place to take short position.