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Contract OI history

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Jan 21, 2028 EXPIRATION

ACI $17.00 Call

ACI280121C00017000

Latest saved OI1,678Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACI $17.00 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. 1,6788390 2026-10-02: 1,644 OI2026-10-05: 1,644 OI2026-10-06: 1,644 OI2026-10-07: 1,644 OI2026-10-08: 1,644 OI2026-10-09: 1,647 OI2026-10-13: 1,647 OI2026-10-14: 1,647 OI2026-10-15: 1,647 OI2026-10-16: 1,672 OI2026-10-21: 1,677 OI2026-10-23: 1,678 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, 2026Viewing1,678+1
Oct 21, 20261,677+5
Oct 16, 20261,672+25
Oct 15, 20261,6470
Oct 14, 20261,6470
Oct 13, 20261,6470
Oct 09, 20261,647+3
Oct 08, 20261,6440
Oct 07, 20261,6440
Oct 06, 20261,6440
Oct 05, 20261,6440
Oct 02, 20261,644No prior observation