$61M in open positions just got wiped off Coinbase — $BTC perps dropped from over $150M in open interest down to $91.4M. That's a ~40% OI flush in one session.

In absolute dollar terms it's not huge, but for Coinbase — a relatively thin derivatives venue compared to offshore — this is a material deleveraging event. It suggests retail and U.S.-based levered longs got shaken out hard, likely on a sharp move or funding pressure.

When OI collapses this fast on a major U.S. exchange, it's usually a sign that the easy money has been cleared. Could set up a cleaner base if spot holds, or signal more unwind if this was just the first wave. Watch whether OI stabilizes here or keeps bleeding — that'll tell you if this was capitulation or the start of a bigger derisk.