Bitcoin's market sentiment has turned bullish as the long-short ratio shows a significant tilt towards buyers. On December 19, Bitcoin's price surged from $85,200 to $88,000 within five hours, following the Bank of Japan's decision to raise interest rates. This upward momentum is mirrored in trading behavior, with 66% of traders opting for long positions in the past four hours, signaling strong market confidence in further price increases.