TSLACOCT 26Open interest change
Open interest in TSLA calls expiring Oct 26 (2 weeks out) rose 2,219 at the Oct 15 settlement
2,735 to 4,954 contracts between the Oct 14 and Oct 15 settlements, 81% of the prior figure.
TSLA · CALLS · OCT 19Settled
Open interest in TSLA calls expiring Oct 19 rose 34,428 at the Oct 15 settlement
As of . The evidence table and the rule this settlement figure passed are at squawkflow.com/options-flow/2026-10-15/tsla-calls-oct-19-2026-open-interest-change. Source: Cboe settlement open interest archive.
38,894 to 73,322 contracts between the Oct 14 and Oct 15 settlements, 89% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 38,894 |
| Open interest, later settlement | 73,322 |
| Change (contracts) | +34,428 |
| Change as a share of the earlier figure | 89% |
| Earlier settlement | Oct 14, 2026 |
| Later settlement | Oct 15, 2026 |
| Days to expiry | 4 |
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: 34,428; Change as a share of the earlier figure: 0.8852
- Contracts traded behind each figure
- Open interest changed: 55
- 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 15, 2026
All TSLA snapshots on the hub- TSLACFEB 19 '27Put/call by expiry
TSLA calls outnumbered puts 8.6 to 1 expiring Feb 19, 2027, vs a 1.6 median
The median is TSLA's call/put volume ratio for contracts more than 3 months out over the last 5 sessions. 11,603 call and 1,345 put contracts by 15:51 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- TSLACDEC 18Put/call by expiry
TSLA calls outnumbered puts 3.0 to 1 expiring Dec 18, vs a 1.7 median
The median is TSLA's call/put volume ratio for contracts 1 to 3 months out over the last 5 sessions. 9,462 call and 3,184 put contracts by 11:36 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- TSLAC362.5OCT 16Volume vs open interest
TSLA 362.5 calls expiring Oct 16 traded 5.1x their open interest
TSLA calls expiring that date in the strikes we track traded 1.0x their open interest, by 10:51 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- TSLACNOV 13Put/call by expiry
TSLA calls outnumbered puts 4.6 to 1 expiring Nov 13, vs a 1.7 median
The median is TSLA's call/put volume ratio for contracts 1 to 3 months out over the last 5 sessions. 2,678 call and 586 put contracts by 09:56 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- TSLACJAN 15 '27Put/call by expiry
TSLA calls outnumbered puts 4.0 to 1 expiring Jan 15, 2027, vs a 1.7 median
The median is TSLA's call/put volume ratio for contracts 1 to 3 months out over the last 5 sessions. 3,651 call and 912 put contracts by 09:46 ET on Oct 15, 2026. Tracked: up to 40 strikes around the money across 22 expirations.