Cascade autopsy: ETH, 2026-10-20 - $89.5M liquidated (n=4,722 tape events)

On 2026-10-20, our multi-venue tape recorded a ETH cascade: $89.5M in forced closes over 9 minutes (n=4,722 raw tape events in our own capture, not the whole market).

The liquidation map snapshot published 2 minutes before the start showed 18 levels; 9 were reached inside the cascade's traded range (n=18 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 67.3% [Wilson 95% lower bound 43.7%], n=17 day-clusters.

Full re-verified anatomy (minute-by-minute timeline, before-map, venue breakdown): https://hunterkiller.io/autopsy/2026-10-20T1405-ETH

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