The current market shows Bitcoin struggling after attempting to break through the 63,700 resistance level, with bears starting to gain momentum and the K-line continuing to decline. The middle band of the 15-minute Bollinger Bands has shifted from support to resistance, with resistance levels remaining firm. The bulls' second attempt to push higher has failed, and upward momentum has significantly weakened. On the hourly chart, two upper shadows have formed, indicating a shift from an upward trend to a pullback correction.