OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

AA $40.00 Put

AA280121P00040000

Latest saved OI3,434Oct 23, 2026
Last change+71vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AA $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3,4901,7450 2026-10-02: 3,490 OI2026-10-05: 3,454 OI2026-10-06: 3,459 OI2026-10-07: 3,459 OI2026-10-08: 3,459 OI2026-10-09: 3,454 OI2026-10-13: 3,452 OI2026-10-14: 3,452 OI2026-10-15: 3,455 OI2026-10-16: 3,453 OI2026-10-21: 3,363 OI2026-10-23: 3,434 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

AA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3,434+71
Oct 21, 20263,363-90
Oct 16, 20263,453-2
Oct 15, 20263,455+3
Oct 14, 20263,4520
Oct 13, 20263,452-2
Oct 09, 20263,454-5
Oct 08, 20263,4590
Oct 07, 20263,4590
Oct 06, 20263,459+5
Oct 05, 20263,454-36
Oct 02, 20263,490No prior observation