# Same-day contracts accounted for 71% of tracked MSFT option volume by 09:32 ET

As of Oct 21, 2026, 09:32 ET: Same-day contracts accounted for 71% of tracked MSFT option volume by 09:32 ET.
On the page at https://squawkflow.com/options-flow/2026-10-21/msft-oct-21-2026-same-day-share: the follow-up at the next settlement and at the Oct 21, 2026 expiry, each added once recorded; the evidence table and the rule that fired; and up to six other MSFT snapshots from Oct 21, 2026.

9,540 of 13,445 tracked contracts on Oct 21, 2026, puts 6,387 and calls 3,153. Tracked: up to 40 strikes around the money across 22 expirations. Source: delayed broker chain.

- Session: 2026-10-21
- Kind: Same-day share
- Status: Session in progress
- Expiry: 2026-10-21 (same day)
- Rule: same-day share >= 0.6 (absolute: baseline n 1 < 5); volume >= 10000
- Baseline: median same-day share of option volume, last 20 sessions, n = 1, value 0.5544

| Metric | Value |
|---|---:|
| sameDayCallVolume | 3153 |
| sameDayPutVolume | 6387 |
| sameDayShare | 0.7096 |
| sameDayVolume | 9540 |
| totalVolume | 13445 |

## What happened next

- Next settlement: pending the next settlement.
- Expiry: pending expiry.

Caveat: Session volume from delayed options chain snapshots, published at least 15 minutes after capture. Totals cover the strikes captured around the money, not every listed strike. Not individual trades. Premium is an estimate: volume times the quote midpoint.

Session page: https://squawkflow.com/options-flow/2026-10-21

## Citation

Source: SquawkFlow, https://squawkflow.com/options-flow/2026-10-21/msft-oct-21-2026-same-day-share
Retrieved: 2026-10-21 10:39 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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