MSFTCNOV 6Open interest change
Open interest in MSFT calls expiring Nov 6 (2 weeks out) rose 10,312 at the Oct 26 settlement
17,042 to 27,354 contracts between the Oct 23 and Oct 26 settlements, 61% of the prior figure.
MSFT · CALLS · JAN 15 '27Settled
Open interest in MSFT calls expiring Jan 15, 2027 rose 42,452 at the Oct 26 settlement
As of . Source: settlement open interest archive.
On the page at squawkflow.com/options-flow/2026-10-26/msft-calls-jan-15-2027-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other MSFT snapshots from Oct 26, 2026.
405,768 to 448,220 contracts between the Oct 23 and Oct 26 settlements, 10% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 405,768 |
| Open interest, later settlement | 448,220 |
| Change (contracts) | +42,452 |
| Change as a share of the earlier figure | 10% |
| Earlier settlement | Oct 23, 2026 |
| Later settlement | Oct 26, 2026 |
| Days to expiry | 81 |
Why it fired
- Rule
- |change| >= 10000 or (>= 2000 and >= 50% of prior), and |change share| >= 2.0 x bucket median; prior OI >= 1000
- Values that cleared it
- Change: 42,452; Change as a share of the earlier figure: 0.1046
- Contracts traded behind each figure
- Open interest changed: 67
- Baseline
- median absolute open interest change share, contracts 1 to 3 months out: 0.0263
- Baseline window
- last 20 sessions
- Baseline n
- 20
- Claim level
- 0, a reported fact
What happened next
This snapshot is itself a settlement figure, so it has no follow-up of its own.
More MSFT snapshots, Oct 26, 2026
All MSFT snapshots on the hub- MSFTCJAN 15 '27Put/call by expiry
MSFT calls outnumbered puts 7.2 to 1 expiring Jan 15, 2027, vs a 1.5 median
The median is MSFT's call/put volume ratio for contracts 1 to 3 months out over the last 12 sessions. 13,919 call and 1,921 put contracts by 11:53 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- MSFTNear vs far dates
MSFT put/call volume ratio held at 0.42 within 3 weeks, against 0.21 1 to 3 months out
Within 3 weeks: 47,132 put and 111,080 call contracts. 1 to 3 months out: 5,520 put and 26,304 call contracts. By 11:53 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- MSFTCNOV 20Put/call by expiry
MSFT calls outnumbered puts 3.2 to 1 expiring Nov 20, vs a 1.5 median
The median is MSFT's call/put volume ratio for contracts 1 to 3 months out over the last 12 sessions. 3,123 call and 968 put contracts by 10:53 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- MSFTCNOV 6Put/call by expiry
MSFT calls outnumbered puts 7.7 to 1 expiring Nov 6 (2 weeks out), vs a 1.7 median
The median is MSFT's call/put volume ratio for contracts 1 to 3 weeks out over the last 12 sessions. 4,356 call and 567 put contracts by 10:12 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
- MSFTC530OCT 26Volume vs open interest
MSFT 530 calls expiring Oct 26 (same day) traded 5.1x their open interest
MSFT calls expiring that date in the strikes we track traded 1.0x their open interest, by 10:12 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 22 expirations.