SOFI 31 calls expiring Nov 20 traded 5.2x their open interest
As of , published from Oct 13, 2026, 12:44 ET. Source: Schwab options chain.
SOFI calls expiring that date in the strikes we track traded 0.4x their open interest, by 12:29 ET on Oct 13, 2026. Tracked: up to 39 strikes around the money across 18 expirations.
CStrike5.2x
Expiry0.44x
Evidence
The numbers behind this snapshot, Oct 13, 2026, 12:29 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
5.2x
Volume / prior open interest, the expiry's tracked strikes
0.44x
Days to expiry
38
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: 0.44; Ratio: 5.17
Contracts traded behind each figure
Expiry calls: 27
Baseline
this expiry's call volume/open interest, same session: 0.44
Baseline window
same expiry, same session (n = strikes with open interest)
2,180 call and 543 put contracts by 12:54 ET on Oct 13, 2026. Est. premium $628K calls, $199K puts. Tracked: up to 39 strikes around the money across 18 expirations.
2,410 call and 500 put contracts by 11:05 ET on Oct 13, 2026. Est. premium $226K calls, $40K puts. Tracked: up to 39 strikes around the money across 18 expirations.
6,277 call and 977 put contracts by 10:29 ET on Oct 13, 2026. Est. premium $225K calls, $316K puts. Tracked: up to 39 strikes around the money across 18 expirations.
2,911 call and 559 put contracts by 10:14 ET on Oct 13, 2026. Est. premium $122K calls, $117K puts. Tracked: up to 39 strikes around the money across 18 expirations.
12,802 call and 600 put contracts by 09:49 ET on Oct 13, 2026. Est. premium $337K calls, $93K puts. Tracked: up to 39 strikes around the money across 18 expirations.
2,298 call and 919 put contracts by 09:49 ET on Oct 13, 2026. Est. premium $96K calls, $75K puts. Tracked: up to 39 strikes around the money across 18 expirations.