OITracker Cboe delayed data

Contract OI history

Back to ACN

Oct 23, 2026 EXPIRATION

ACN $220.00 Put

ACN261023P00220000

Latest saved OI317Oct 23, 2026
Last change-9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACN $220.00 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. 3261630 2026-10-02: 64 OI2026-10-05: 84 OI2026-10-06: 84 OI2026-10-07: 84 OI2026-10-08: 84 OI2026-10-09: 88 OI2026-10-13: 159 OI2026-10-14: 159 OI2026-10-15: 212 OI2026-10-16: 251 OI2026-10-21: 326 OI2026-10-23: 317 OI Oct 02, 2026Oct 23, 2026

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

ACN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing317-9
Oct 21, 2026326+75
Oct 16, 2026251+39
Oct 15, 2026212+53
Oct 14, 20261590
Oct 13, 2026159+71
Oct 09, 202688+4
Oct 08, 2026840
Oct 07, 2026840
Oct 06, 2026840
Oct 05, 202684+20
Oct 02, 202664No prior observation