SOFICOCT 30Open interest change
Open interest in SOFI calls expiring Oct 30 rose 41,291 at the Oct 26 settlement
175,555 to 216,846 contracts between the Oct 23 and Oct 26 settlements, 24% of the prior figure.
SOFI · PUTS · OCT 30Settled
Open interest in SOFI puts expiring Oct 30 rose 21,055 at the Oct 26 settlement
As of . Source: settlement open interest archive.
On the page at squawkflow.com/options-flow/2026-10-26/sofi-puts-oct-30-2026-open-interest-change: the evidence table and the rule this settlement figure passed; and up to six other SOFI snapshots from Oct 26, 2026.
104,336 to 125,391 contracts between the Oct 23 and Oct 26 settlements, 20% of the prior figure.
Evidence
| Measure | Value |
|---|---|
| Open interest, earlier settlement | 104,336 |
| Open interest, later settlement | 125,391 |
| Change (contracts) | +21,055 |
| Change as a share of the earlier figure | 20% |
| Earlier settlement | Oct 23, 2026 |
| Later settlement | Oct 26, 2026 |
| Days to expiry | 4 |
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: 21,055; Change as a share of the earlier figure: 0.2018
- Contracts traded behind each figure
- Open interest changed: 19
- Baseline
- median absolute open interest change share, contracts within a week: 0.0573
- 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 SOFI snapshots, Oct 26, 2026
All SOFI snapshots on the hub- SOFICNOV 13Put/call by expiry
SOFI calls outnumbered puts 4.6 to 1 expiring Nov 13 (3 weeks out), vs a 2.2 median
The median is SOFI's call/put volume ratio for contracts 1 to 3 weeks out over the last 12 sessions. 11,000 call and 2,383 put contracts by 15:09 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 17 expirations.
- SOFICJAN 21 '28Put/call by expiry
SOFI calls outnumbered puts 6.7 to 1 expiring Jan 21, 2028, vs a 3.2 median
The median is SOFI's call/put volume ratio for contracts more than 3 months out over the last 12 sessions. 3,362 call and 501 put contracts by 14:55 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 17 expirations.
- SOFIPDEC 18Put/call by expiry
SOFI puts expiring Dec 18 traded 1.6x the calls, vs a 0.2x median
The median is SOFI's put/call volume ratio for contracts 1 to 3 months out over the last 12 sessions. 10,825 put and 6,850 call contracts by 10:45 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 17 expirations.
- SOFINear vs far dates
SOFI put/call volume ratio held at 0.58 within 3 weeks, against 0.36 1 to 3 months out
Within 3 weeks: 21,680 put and 37,573 call contracts. 1 to 3 months out: 14,678 put and 40,548 call contracts. By 10:45 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 17 expirations.
- SOFICNOV 20Put/call by expiry
SOFI calls outnumbered puts 13.5 to 1 expiring Nov 20, vs a 5.4 median
The median is SOFI's call/put volume ratio for contracts 1 to 3 months out over the last 12 sessions. 10,287 call and 761 put contracts by 09:54 ET on Oct 26, 2026. Tracked: up to 40 strikes around the money across 17 expirations.