BTC downside risk reminder:
1) BTC has been fluctuating around 0.786, or 645, for several days, but has not been able to break through upward. If it stays sideways for a long time, it will fall;
2) BTC's four-hour MACD top divergence, long and short volume weakens, and the daily upward trend weakens;
3) The order book has large positions in active sell orders near 645, and relatively few buy orders;
4) CME's contract positions are close to historical highs again, and a decline is coming; In summary, BTC's downside risk increases.
