Trend lines show Bitcoin forming a Bearish Pennant. If $BTC performs a bullish break above the upper trend line, then will look to 11,650 as next resistance, followed by 12,700. If $BTC breaks down from the pennant, as the flag would suggest, then consider a short entry. Fib based on 11/12/17 low 5511 and 12/17/17 high of 19891 and shows strong support at 8588...