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Contract OI history

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Jan 15, 2027 EXPIRATION

ACI $18.00 Call

ACI270115C00018000

Latest saved OI313Oct 23, 2026
Last change-14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACI $18.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3271630 2026-10-02: 312 OI2026-10-05: 312 OI2026-10-06: 311 OI2026-10-07: 311 OI2026-10-08: 311 OI2026-10-09: 311 OI2026-10-13: 313 OI2026-10-14: 313 OI2026-10-15: 313 OI2026-10-16: 313 OI2026-10-21: 327 OI2026-10-23: 313 OI Oct 02, 2026Oct 23, 2026

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

ACI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing313-14
Oct 21, 2026327+14
Oct 16, 20263130
Oct 15, 20263130
Oct 14, 20263130
Oct 13, 2026313+2
Oct 09, 20263110
Oct 08, 20263110
Oct 07, 20263110
Oct 06, 2026311-1
Oct 05, 20263120
Oct 02, 2026312No prior observation