Biggest options open interest changes
OI settled 2026-09-23 vs 2026-09-22
Open interest change, not trades; it does not say which side opened or closed.
Source: SquawkFlow's own nightly archive of Cboe settled open interest. Updates once per session. Figures are contracts, not dollars: the archive holds no option prices.
126 of 212 archived US symbols compared. The other 86 lacked a consecutive settlement pair in the archive for these two sessions. 126 of those compared reported an identical book in both sessions.
Across the compared symbols, 0 contracts changed open interest: 0 added, 0 removed, net 0 contracts.
Largest open interest increases (contracts)
None in this pair.
Largest open interest decreases (contracts)
None in this pair.
Index ETFs vs single stocks
Index ETFs (SPY, QQQ, IWM, DIA): increases
None in this pair.
Index ETFs: decreases
None in this pair.
Single stocks: increases
None in this pair.
Single stocks: decreases
None in this pair.
Calls vs puts
| Type | Added | Removed | Net |
|---|---|---|---|
| Calls | 0 | 0 | 0 |
| Puts | 0 | 0 | 0 |
Top call increases
None in this pair.
Top put increases
None in this pair.
Biggest percent changes
Percent changes only for contracts with at least 1,000 prior open interest.
Increases
None in this pair.
Decreases
None in this pair.
Top strikes, summed across expirations
None in this pair.
Symbols by net change
Largest net increases
None in this pair.
Largest net decreases
None in this pair.
Archive
- 2026-10-08 vs 2026-10-07, 158 symbols compared
- 2026-10-07 vs 2026-10-06, 135 symbols compared
- 2026-10-06 vs 2026-10-05, 136 symbols compared
- 2026-10-05 vs 2026-10-02, 155 symbols compared
- 2026-10-02 vs 2026-10-01, 148 symbols compared
- 2026-10-01 vs 2026-09-30, 156 symbols compared
- 2026-09-30 vs 2026-09-29, 148 symbols compared
- 2026-09-29 vs 2026-09-28, 150 symbols compared
- 2026-09-28 vs 2026-09-25, 150 symbols compared
- 2026-09-25 vs 2026-09-24, 135 symbols compared
Related
- SPX open interest change by strike
- Max pain by ticker
- Unusual options activity today, dated snapshots with the next settlement's open interest as a follow-up
- Machine-readable version of the latest pair