Cascade autopsy: ETH, 2026-09-21 - $58.0M liquidated (n=4,010 tape events)

On 2026-09-21, our multi-venue tape recorded a ETH cascade: $58.0M in forced closes over 10 minutes (n=4,010 raw tape events in our own capture, not the whole market).

The liquidation map snapshot published 3 minutes before the start showed 25 levels; 11 were reached inside the cascade's traded range (n=25 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 55.3% [Wilson 95% lower bound 32.4%], n=16 day-clusters.

Full re-verified anatomy (minute-by-minute timeline, before-map, venue breakdown): https://hunterkiller.io/autopsy/2026-09-21T0011-ETH

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