Bitcoin (BTC) rallied from an intraday low at $17,573.29 on Dec. 11 to an intraday high at $29,310.19 on Dec. 31, a 66.78% rally in a short span. This shows strong demand from traders at every higher level. Institutional crypto investment giant Grayscale bought 72,950 Bitcoin in December, which was 159.49% more than the 28,112…