📊 #BTC Today's Market Brief | 12/27 Bitcoin is still in a high-level oscillation structure. In the short term, there is no clear unilateral trend, more like preparing for the next move. The key ranges are very clear: Support: $86,000 -- $87,500 Resistance: $89,000 -- $90,000 As long as the price remains within these ranges, the main theme today is: oscillating back and forth, repeated battles. 📌 signals to watch closely: Volume breakout above $90K →