Technically it seems that BTC would need some fresh blood to close above 15100 now. Because BTC have got resistance at 14949 during its recent bullish rally after posting a low of 10718 which fall on 61.8% correction of its last bearish rally which was started from 17333 on 2017-12-21 and ended up at 10718 next day.
While its also capped by a resistant trend line on same level on hourly chart.
As of right now it have slipped below 74.6% correction of previous correction which took bitcoin prices towards 14949 therefore as of right now its expected that 12751 would react as a major resistance for any upcoming bullish rally and it would try to expand previous bearish correction in coming days which would lead bitcoin prices in negative direction. 
If it would not become able to close above 12751 then next targets for expansion of said correction would lead prices towards 10932 where it will get support from crossover of a supportive trend line along with horizontal support.
Technically bitcoin have to touch 9832 and 8414 in coming days and then it would get rid of current bearish rally after completing 100% expansion.
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Now once again bitcoin have started a new bearish trend. therefore be careful as its next targets could be 11811 and 10980 if it would close below 12751 in this hour.