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Contract OI history

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Dec 18, 2026 EXPIRATION

AA $55.00 Put

AA261218P00055000

Latest saved OI1,092Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AA $55.00 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. 1,0975480 2026-10-02: 1,094 OI2026-10-05: 1,093 OI2026-10-06: 1,096 OI2026-10-07: 1,095 OI2026-10-08: 1,095 OI2026-10-09: 1,095 OI2026-10-13: 1,097 OI2026-10-14: 1,097 OI2026-10-15: 1,096 OI2026-10-16: 1,096 OI2026-10-21: 1,092 OI2026-10-23: 1,092 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, 2026Viewing1,0920
Oct 21, 20261,092-4
Oct 16, 20261,0960
Oct 15, 20261,096-1
Oct 14, 20261,0970
Oct 13, 20261,097+2
Oct 09, 20261,0950
Oct 08, 20261,0950
Oct 07, 20261,095-1
Oct 06, 20261,096+3
Oct 05, 20261,093-1
Oct 02, 20261,094No prior observation