Based on Fib Level and Elliot waves theory. This is for 4 Hour chart.
On a smaller scale it has completed impulse wave 3. It should now retrace towards .786 Fib level (15750 to 15850 Satoshi). Under extreme bearish pressure, it may also retrace up to .618 Fib (14300 to 14450). However, on a larger scale, it is on impulse wave 3 which may go up to (19500 Satoshi). On a larger scale, once it completed wave 3, it may retrace up to .786 Fib level (17500 to 18000).
Only precurser, BTC should not behave impulsively.