AMZN puts expiring that date in the strikes we track traded 1.2x their open interest, by 10:01 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 24 expirations.
PStrike5.7x
Expiry1.2x
Evidence
The numbers behind this snapshot, Oct 21, 2026, 10:01 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
5.7x
Volume / prior open interest, the expiry's tracked strikes
1.2x
Days to expiry
0
Why it fired
Rule
volume/prior OI >= 5.0 and >= 3.0 x this expiry's put volume/OI; prior OI >= 1000; volume >= 2000
Values that cleared it
Expiry ratio: 1.19; Ratio: 5.7
Contracts traded behind each figure
Expiry puts: 24
Baseline
this expiry's put volume/open interest, same session: 1.19
Baseline window
same expiry, same session (n = strikes with open interest)
The median is AMZN's call/put volume ratio for contracts more than 3 months out over the last 9 sessions. 4,649 call and 876 put contracts by 13:26 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 24 expirations.
The median is AMZN's call/put volume ratio for contracts 1 to 3 weeks out over the last 9 sessions. 5,397 call and 1,187 put contracts by 13:11 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 24 expirations.
The median is AMZN's call/put volume ratio for contracts within a week over the last 9 sessions. 3,684 call and 600 put contracts by 09:56 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 24 expirations.
The median is AMZN's call/put volume ratio for contracts 1 to 3 months out over the last 9 sessions. 3,844 call and 681 put contracts by 09:56 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 24 expirations.
The median is AMZN's call/put volume ratio for contracts 1 to 3 weeks out over the last 9 sessions. 2,642 call and 562 put contracts by 09:52 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 24 expirations.
The median is AMZN's call/put volume ratio for contracts within a week over the last 9 sessions. 9,825 call and 2,652 put contracts by 09:41 ET on Oct 21, 2026. Tracked: up to 40 strikes around the money across 24 expirations.