Cascade autopsy: BTC, 2026-10-30 - $254.2M liquidated (n=20,879 tape events)

On 2026-10-30, our multi-venue tape recorded a BTC cascade: $254.2M in forced closes over 15 minutes (n=20,879 raw tape events in our own capture, not the whole market).

The liquidation map snapshot published 2 minutes before the start showed 23 levels; 11 were reached inside the cascade's traded range (n=23 levels, Wilson 95% lower bound 29%). Misses are shown at equal weight in the full autopsy.

The measured record as published that day: walk-forward precision 77.5% [Wilson 95% lower bound 52.3%], n=15 day-clusters.

Full re-verified anatomy (minute-by-minute timeline, before-map, venue breakdown): https://hunterkiller.io/autopsy/2026-10-30T0010-BTC

Descriptive record of a past event - not a forecast and not a trade signal.