MSFT calls expiring that date in the strikes we track traded 0.6x their open interest, by 12:18 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
CStrike5.1x
Expiry0.55x
Evidence
The numbers behind this snapshot, Oct 30, 2026, 12:18 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
5.1x
Volume / prior open interest, the expiry's tracked strikes
0.55x
Days to expiry
0
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: 0.55; Ratio: 5.11
Contracts traded behind each figure
Expiry calls: 39
Baseline
this expiry's call volume/open interest, same session: 0.55
Baseline window
same expiry, same session (n = strikes with open interest)
The median is MSFT's call/put volume ratio for contracts 1 to 3 months out over the last 16 sessions. 2,514 call and 870 put contracts by 15:57 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 22 expirations.
The median is MSFT's call/put volume ratio for contracts 1 to 3 months out over the last 16 sessions. 17,344 call and 2,195 put contracts by 10:48 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
Within 3 weeks: 68,168 put and 96,396 call contracts. 1 to 3 months out: 6,233 put and 24,635 call contracts. By 10:48 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
The median is MSFT's call/put volume ratio for contracts 1 to 3 weeks out over the last 16 sessions. 2,722 call and 599 put contracts by 10:43 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
The median is MSFT's call/put volume ratio for contracts 1 to 3 weeks out over the last 16 sessions. 10,782 call and 2,929 put contracts by 10:17 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
The median is MSFT's call/put volume ratio for contracts within a week over the last 16 sessions. 2,703 call and 613 put contracts by 09:58 ET on Oct 30, 2026. Tracked: up to 40 strikes around the money across 23 expirations.