Bitcoin short-term rally on the 4-hour chart shows waning momentum after a surge, with the KDJ turning upward, indicating a pullback is needed; on the daily chart, it remains above the middle band of the Bollinger, with weakening downward momentum, and the overall trend is still bullish. Currently, it is in a short-term correction and a medium-term consolidation phase leaning bullish, so the strategy should focus on buying the dip!