TSLACOCT 12Open interest change
Open interest in TSLA calls expiring Oct 12 rose 57,979 at the Oct 9 settlement
31,704 to 89,683 contracts between the Oct 8 and Oct 9 settlements, 183% of the prior figure.
TSLA · PUTS · OCT 12Settled
Open interest in TSLA puts expiring Oct 12 rose 33,538 at the Oct 9 settlement
As of . Source: Cboe settlement open interest archive.
28,034 to 61,572 contracts between the Oct 8 and Oct 9 settlements, 120% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 28,034 |
| Open interest, later settlement | 61,572 |
| Change (contracts) | +33,538 |
| Change as a share of the earlier figure | 120% |
| Earlier settlement | Oct 8, 2026 |
| Later settlement | Oct 9, 2026 |
| Days to expiry | 3 |
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: 33,538; Change as a share of the earlier figure: 1.1963
- Contracts traded behind each figure
- Open interest changed: 54
- Baseline
- median absolute open interest change share, contracts within a week: 0.3888
- Baseline window
- last 20 sessions
- Baseline n
- 20
- 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.
More TSLA snapshots, Oct 9, 2026
All TSLA snapshots on the hub- TSLACOCT 23Put/call by expiry
TSLA calls outnumbered puts 2.8 to 1 in contracts expiring Oct 23 (2 weeks out)
9,746 call and 3,498 put contracts by 10:01 ET on Oct 9, 2026. Est. premium $12.4M calls, $3.3M puts. Tracked: up to 40 strikes around the money across 23 expirations.
- TSLAP382.5OCT 9Volume vs open interest
TSLA 382.5 puts expiring Oct 9 (same day) traded 7.3x their open interest
TSLA puts expiring that date in the strikes we track traded 0.8x their open interest, by 09:42 ET on Oct 9, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
- TSLACOCT 12Put/call by expiry
TSLA calls outnumbered puts 3.4 to 1 in contracts expiring Oct 12
32,635 call and 9,645 put contracts by 09:42 ET on Oct 9, 2026. Est. premium $12.9M calls, $1.9M puts. Tracked: up to 40 strikes around the money across 23 expirations.
- TSLACOCT 14Put/call by expiry
TSLA calls outnumbered puts 3.9 to 1 in contracts expiring Oct 14
6,635 call and 1,684 put contracts by 09:36 ET on Oct 9, 2026. Est. premium $4.3M calls, $494K puts. Tracked: up to 40 strikes around the money across 23 expirations.
- TSLACOCT 9Put/call by expiry
TSLA calls outnumbered puts 4.4 to 1 in contracts expiring Oct 9 (same day)
43,679 call and 9,897 put contracts by 09:31 ET on Oct 9, 2026. Est. premium $12.1M calls, $810K puts. Tracked: up to 40 strikes around the money across 23 expirations.