# Open interest in SPY calls expiring Oct 15 rose 161,128 at the Oct 14 settlement

As of the Oct 14, 2026 settlement: Open interest in SPY calls expiring Oct 15 rose 161,128 at the Oct 14 settlement. The evidence table and the rule this settlement figure passed are at https://squawkflow.com/options-flow/2026-10-14/spy-calls-oct-15-2026-open-interest-change.

70,226 to 231,354 contracts between the Oct 13 and Oct 14 settlements, 229% of the prior figure. Source: Cboe settlement open interest archive.

- Session: 2026-10-14
- Kind: Open interest change
- Status: Settled
- Expiry: 2026-10-15 (within a week)
- 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 within a week, last 20 sessions, n = 20, value 0.3759

| Metric | Value |
|---|---:|
| changeShare | 2.2944 |
| daysToExpiry | 1 |
| openInterest | 231354 |
| openInterestChange | 161128 |
| priorOpenInterest | 70226 |
| priorSettlement | 2026-10-13 |
| settlement | 2026-10-14 |

## 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/2026-10-14

## Citation

Source: SquawkFlow, https://squawkflow.com/options-flow/2026-10-14/spy-calls-oct-15-2026-open-interest-change
Retrieved: 2026-10-15 19:39 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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