Unusual options activity / Oct 8, 2026 COIN · CALLS · OCT 16
Open interest in COIN calls expiring Oct 16 (1 week out) rose 19,229 at the Oct 8 settlement As of Oct 8, 2026 settlement . Source: Cboe settlement open interest archive.
91,269 to 110,498 contracts between the Oct 7 and Oct 8 settlements, 21% of the prior figure.
Evidence The numbers behind this snapshot, Oct 8, 2026 settlement. Open interest change, not trades; it does not say which side opened or closed. Measure Value Open interest, earlier settlement 91,269 Open interest, later settlement 110,498 Change (contracts) +19,229 Change as a share of the earlier figure 21% Earlier settlement Oct 7, 2026 Later settlement Oct 8, 2026 Days to expiry 8
Why it fired
Rule |change| >= 10000 or (>= 2000 and >= 50% of prior), and |change share| >= 2.0 x bucket median; prior OI >= 1000
Values that cleared it Change: 19,229; Change as a share of the earlier figure: 0.2107
Contracts traded behind each figure Open interest changed: 47
Baseline median absolute open interest change share, contracts 1 to 3 weeks out: 0.084
Baseline window last 20 sessions
Baseline n 18
Claim level 0, a reported fact What happened next This snapshot is itself a settlement figure, so it has no follow-up of its own.
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Embed as an image Embed code Open interest change, not trades; it does not say which side opened or closed.
Open interest change, 1 to 3 weeks, calls. Templated sentence, grammar g4.
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COIN C OCT 9 Put/call by expiry
15:59 ET 55,656 call and 17,963 put contracts by 15:59 ET on Oct 8, 2026. Est. premium $1.7M calls, $12.2M puts. Tracked: up to 40 strikes around the money across 21 expirations.
C Calls55,656
P Puts17,963
contracts COIN C OCT 16 Put/call by expiry
15:59 ET 35,475 call and 13,879 put contracts by 15:59 ET on Oct 8, 2026. Est. premium $7.9M calls, $5.3M puts. Tracked: up to 40 strikes around the money across 21 expirations.
C Calls35,475
P Puts13,879
contracts COIN Near vs far dates
15:59 ET Within 3 weeks: 33,051 put and 93,958 call contracts. 1 to 3 months out: 8,667 put and 9,113 call contracts. By 15:59 ET on Oct 8, 2026. Tracked: up to 40 strikes around the money across 21 expirations.
< 3 wks 93,958 C / 33,051 P
1-3 mo 9,113 C / 8,667 P
Every snapshot, Oct 8, 2026 Open interest changes Latest session