# Open interest in BAC puts expiring Jan 19, 2029 rose 8,718 at the Oct 15 settlement

As of the Oct 15, 2026 settlement: Open interest in BAC puts expiring Jan 19, 2029 rose 8,718 at the Oct 15 settlement. The evidence table and the rule this settlement figure passed are at https://squawkflow.com/options-flow/2026-10-15/bac-puts-jan-19-2029-open-interest-change.

16,989 to 25,707 contracts between the Oct 14 and Oct 15 settlements, 51% of the prior figure. Source: Cboe settlement open interest archive.

- Session: 2026-10-15
- Kind: Open interest change
- Status: Settled
- Expiry: 2029-01-19 (over 3 months)
- Rule: |change| >= 10000 or (>= 2000 and >= 50% of prior), and |change share| >= 2.0 x bucket median; prior OI >= 1000
- Baseline: median absolute open interest change share, contracts more than 3 months out, last 20 sessions, n = 19, value 0.006

| Metric | Value |
|---|---:|
| changeShare | 0.5132 |
| daysToExpiry | 827 |
| openInterest | 25707 |
| openInterestChange | 8718 |
| priorOpenInterest | 16989 |
| priorSettlement | 2026-10-14 |
| settlement | 2026-10-15 |

## What happened next

This snapshot is itself a settlement figure.

Caveat: Open interest change, not trades; it does not say which side opened or closed.

Session page: https://squawkflow.com/options-flow/2026-10-15

## Citation

Source: SquawkFlow, https://squawkflow.com/options-flow/2026-10-15/bac-puts-jan-19-2029-open-interest-change
Retrieved: 2026-10-17 07:38 ET
Attribution: cite the page URL rather than a copied number. Levels are
recomputed every session, so a number without its date is wrong within a day.

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