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Contract OI history

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Dec 18, 2026 EXPIRATION

AA $42.00 Put

AA261218P00042000

Latest saved OI1,555Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AA $42.00 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. 1,5557770 2026-10-02: 1,419 OI2026-10-05: 1,434 OI2026-10-06: 1,439 OI2026-10-07: 1,476 OI2026-10-08: 1,476 OI2026-10-09: 1,486 OI2026-10-13: 1,528 OI2026-10-14: 1,528 OI2026-10-15: 1,509 OI2026-10-16: 1,500 OI2026-10-21: 1,534 OI2026-10-23: 1,555 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, 2026Viewing1,555+21
Oct 21, 20261,534+34
Oct 16, 20261,500-9
Oct 15, 20261,509-19
Oct 14, 20261,5280
Oct 13, 20261,528+42
Oct 09, 20261,486+10
Oct 08, 20261,4760
Oct 07, 20261,476+37
Oct 06, 20261,439+5
Oct 05, 20261,434+15
Oct 02, 20261,419No prior observation