MSFT calls expiring that date in the strikes we track traded 1.5x their open interest, by 14:17 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
CStrike5.1x
Expiry1.5x
Evidence
The numbers behind this snapshot, Oct 29, 2026, 14:17 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
1.5x
Days to expiry
1
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: 1.52; Ratio: 5.08
Contracts traded behind each figure
Expiry calls: 40
Baseline
this expiry's call volume/open interest, same session: 1.52
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 15 sessions. 30,039 call and 9,809 put contracts by 10:53 ET on Oct 29, 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 months out over the last 15 sessions. 2,026 call and 785 put contracts by 09:48 ET on Oct 29, 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 15 sessions. 2,003 call and 797 put contracts by 09:43 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
The median is MSFT's put/call volume ratio for contracts 1 to 3 months out over the last 15 sessions. 2,210 put and 1,142 call contracts by 09:37 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 23 expirations.
Within 3 weeks: 8,331 put and 13,928 call contracts. 1 to 3 months out: 3,917 put and 2,953 call contracts. By 09:32 ET on Oct 29, 2026. Tracked: up to 40 strikes around the money across 23 expirations.