As the FOMC meeting is about to start, monetary tightening concerns are high in financial markets, leading to weak performance in cryptocurrency market. Technically, BTC is still in the minor descending channel and if it breaks 37 500 downwards, we will follow 36 150 and 34 750 supports. On the other side, possible purchases in response may pave the way for 39 500 indicated by the 50-period exponential moving average.