On 2026-09-03, our multi-venue tape recorded a BTC cascade: $51.1M in forced closes over 9 minutes (n=1,848 raw tape events in our own capture, not the whole market).
The liquidation map snapshot published 4 minutes before the start showed 30 levels; 10 were reached inside the cascade's traded range (n=30 levels, Wilson 95% lower bound 19%). Misses are shown at equal weight in the full autopsy.
The measured record as published that day: walk-forward precision 81.1% [Wilson 95% lower bound 56.0%], n=15 day-clusters.
Full re-verified anatomy (minute-by-minute timeline, before-map, venue breakdown): https://hunterkiller.io/autopsy/2026-09-03T2127-BTC
Descriptive record of a past event - not a forecast and not a trade signal.