OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

AA $40.00 Put

AA261218P00040000

Latest saved OI2,219Oct 23, 2026
Last change+18vs 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. 2,2191,1090 2026-10-02: 1,774 OI2026-10-05: 1,780 OI2026-10-06: 1,880 OI2026-10-07: 2,038 OI2026-10-08: 2,038 OI2026-10-09: 2,033 OI2026-10-13: 2,120 OI2026-10-14: 2,120 OI2026-10-15: 2,078 OI2026-10-16: 2,131 OI2026-10-21: 2,201 OI2026-10-23: 2,219 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, 2026Viewing2,219+18
Oct 21, 20262,201+70
Oct 16, 20262,131+53
Oct 15, 20262,078-42
Oct 14, 20262,1200
Oct 13, 20262,120+87
Oct 09, 20262,033-5
Oct 08, 20262,0380
Oct 07, 20262,038+158
Oct 06, 20261,880+100
Oct 05, 20261,780+6
Oct 02, 20261,774No prior observation