# Open interest in BAC puts expiring Sep 17, 2027 rose 6,075 at the Oct 8 settlement

As of the Oct 8, 2026 settlement: Open interest in BAC puts expiring Sep 17, 2027 rose 6,075 at the Oct 8 settlement. 11,219 to 17,294 contracts between the Oct 7 and Oct 8 settlements, 54% of the prior figure. Source: Cboe settlement open interest archive.

- Session: 2026-10-08
- Kind: Open interest change
- Status: Settled
- Expiry: 2027-09-17 (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 = 14, value 0.0066

| Metric | Value |
|---|---:|
| changeShare | 0.5415 |
| daysToExpiry | 344 |
| openInterest | 17294 |
| openInterestChange | 6075 |
| priorOpenInterest | 11219 |
| priorSettlement | 2026-10-07 |
| settlement | 2026-10-08 |

## 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/2026-10-08

## Citation

Source: SquawkFlow, https://squawkflow.com/options-flow/2026-10-08/bac-puts-sep-17-2027-open-interest-change
Retrieved: 2026-10-11 16:44 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.

SquawkFlow publishes market-structure data and education. Nothing here is
investment advice, a price target or a recommendation, and we have no order
execution.