2026-03-12 14:15 to 14:30 (UTC) during this period, BTC price declined from 70660.0 USDT to 69917.2 USDT, with a 15-minute return rate of -0.61% and amplitude reaching 1.06%. Trading volume increased sequentially, market attention rose somewhat, and increased volatility prompted short-term investors to remain vigilant. The main driving force behind this anomaly is that on-chain major wallets concentrated an inflow of approximately 2,100 BTC to exchanges in a short time, representing an 18% increase compared to the previous period. Large holders' active position adjustments and large sell orders released simultaneously in spot and perpetual futures markets