OITracker Cboe delayed data

Contract OI history

Back to ACI

Jan 15, 2027 EXPIRATION

ACI $10.00 Put

ACI270115P00010000

Latest saved OI389Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACI $10.00 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. 4572280 2026-10-02: 434 OI2026-10-05: 434 OI2026-10-06: 457 OI2026-10-07: 457 OI2026-10-08: 457 OI2026-10-09: 457 OI2026-10-13: 456 OI2026-10-14: 456 OI2026-10-15: 456 OI2026-10-16: 446 OI2026-10-21: 391 OI2026-10-23: 389 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, 2026Viewing389-2
Oct 21, 2026391-55
Oct 16, 2026446-10
Oct 15, 20264560
Oct 14, 20264560
Oct 13, 2026456-1
Oct 09, 20264570
Oct 08, 20264570
Oct 07, 20264570
Oct 06, 2026457+23
Oct 05, 20264340
Oct 02, 2026434No prior observation