OITracker Cboe delayed data

Contract OI history

Back to ACI

Oct 23, 2026 EXPIRATION

ACI $13.00 Put

ACI261023P00013000

Latest saved OI54Oct 23, 2026
Last change+26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACI $13.00 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. 54270 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 9 OI2026-10-07: 9 OI2026-10-08: 9 OI2026-10-09: 9 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-15: 11 OI2026-10-16: 12 OI2026-10-21: 28 OI2026-10-23: 54 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, 2026Viewing54+26
Oct 21, 202628+16
Oct 16, 202612+1
Oct 15, 2026110
Oct 14, 2026110
Oct 13, 202611+2
Oct 09, 202690
Oct 08, 202690
Oct 07, 202690
Oct 06, 202690
Oct 05, 202690
Oct 02, 20269No prior observation