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Contract OI history

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Oct 23, 2026 EXPIRATION

AA $42.50 Put

AA261023P00042500

Latest saved OI1Oct 23, 2026
Last change-99vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
AA $42.50 put open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 100500 2026-10-05: 0 OI2026-10-06: 0 OI2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 4 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-15: 32 OI2026-10-16: 27 OI2026-10-21: 100 OI2026-10-23: 1 OI Oct 05, 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, 2026Viewing1-99
Oct 21, 2026100+73
Oct 16, 202627-5
Oct 15, 202632+13
Oct 14, 2026190
Oct 13, 202619+15
Oct 09, 20264+4
Oct 08, 202600
Oct 07, 202600
Oct 06, 202600
Oct 05, 20260No prior observation