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Contract OI history

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Jan 21, 2028 EXPIRATION

AI $17.50 Put

AI280121P00017500

Latest saved OI132Oct 23, 2026
Last change+25vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AI $17.50 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. 132660 2026-10-02: 80 OI2026-10-05: 80 OI2026-10-06: 80 OI2026-10-07: 80 OI2026-10-08: 80 OI2026-10-09: 80 OI2026-10-13: 80 OI2026-10-14: 80 OI2026-10-15: 106 OI2026-10-16: 106 OI2026-10-21: 107 OI2026-10-23: 132 OI Oct 02, 2026Oct 23, 2026

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

AI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing132+25
Oct 21, 2026107+1
Oct 16, 20261060
Oct 15, 2026106+26
Oct 14, 2026800
Oct 13, 2026800
Oct 09, 2026800
Oct 08, 2026800
Oct 07, 2026800
Oct 06, 2026800
Oct 05, 2026800
Oct 02, 202680No prior observation