Bitcoin's Feb. 5 plunge: -15% ($10,800), BVIV 88.55; IBIT traded $10B

On Feb. 5, Bitcoin fell more than 15% (~$10,800), triggering spikes in implied volatility and record ETF trading activity. IBIT volume hit $10b and the fund dropped 13%, while BVIV touched 88.55 and daily RSI printed 15.64, levels consistent with capitulation.