SOFI 28 calls expiring Nov 20 traded 5.0x their open interest
As of , published from Oct 12, 2026, 12:59 ET. Source: Schwab options chain.
SOFI calls expiring that date in the strikes we track traded 0.3x their open interest, by 12:44 ET on Oct 12, 2026. Tracked: up to 39 strikes around the money across 18 expirations.
CStrike5.0x
Expiry0.32x
Evidence
The numbers behind this snapshot, Oct 12, 2026, 12:44 ET. 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.
Measure
Value
Volume / prior open interest, this strike
5.0x
Volume / prior open interest, the expiry's tracked strikes
0.32x
Days to expiry
39
Why it fired
Rule
volume/prior OI >= 5.0 and >= 3.0 x this expiry's call volume/OI; prior OI >= 1000; volume >= 2000
Values that cleared it
Expiry ratio: 0.32; Ratio: 5.03
Contracts traded behind each figure
Expiry calls: 24
Baseline
this expiry's call volume/open interest, same session: 0.32
Baseline window
same expiry, same session (n = strikes with open interest)
3,201 call and 662 put contracts by 15:29 ET on Oct 12, 2026. Est. premium $1.2M calls, $307K puts. Tracked: up to 39 strikes around the money across 18 expirations.
2,936 call and 500 put contracts by 13:39 ET on Oct 12, 2026. Est. premium $566K calls, $159K puts. Tracked: up to 39 strikes around the money across 18 expirations.
6,209 call and 2,196 put contracts by 12:04 ET on Oct 12, 2026. Est. premium $477K calls, $338K puts. Tracked: up to 39 strikes around the money across 18 expirations.
Within 3 weeks: 22,773 put and 43,105 call contracts. 1 to 3 months out: 8,734 put and 33,532 call contracts. By 10:39 ET on Oct 12, 2026. Tracked: up to 39 strikes around the money across 18 expirations.
3,482 call and 513 put contracts by 10:29 ET on Oct 12, 2026. Est. premium $114K calls, $92K puts. Tracked: up to 39 strikes around the money across 18 expirations.
5,323 call and 1,313 put contracts by 09:44 ET on Oct 12, 2026. Est. premium $72K calls, $52K puts. Tracked: up to 39 strikes around the money across 18 expirations.