Cascade autopsy: BTC, 2026-09-23 - $222.5M liquidated (n=12,814 tape events)

On 2026-09-23, our multi-venue tape recorded a BTC cascade: $222.5M in forced closes over 10 minutes (n=12,814 raw tape events in our own capture, not the whole market).

The liquidation map snapshot published 2 minutes before the start showed 22 levels; 10 were reached inside the cascade's traded range (n=22 levels, Wilson 95% lower bound 27%). Misses are shown at equal weight in the full autopsy.

The measured record as published that day: walk-forward precision 63.7% [Wilson 95% lower bound 40.4%], n=17 day-clusters.

Full re-verified anatomy (minute-by-minute timeline, before-map, venue breakdown): https://hunterkiller.io/autopsy/2026-09-23T1410-BTC

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