OITracker Cboe delayed data

Contract OI history

Back to AON

Dec 18, 2026 EXPIRATION

AON $320.00 Call

AON261218C00320000

Latest saved OI309Oct 23, 2026
Last change+48vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AON $320.00 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. 3091540 2026-10-02: 17 OI2026-10-05: 17 OI2026-10-06: 17 OI2026-10-07: 74 OI2026-10-08: 74 OI2026-10-09: 75 OI2026-10-13: 75 OI2026-10-14: 143 OI2026-10-15: 143 OI2026-10-16: 202 OI2026-10-21: 261 OI2026-10-23: 309 OI Oct 02, 2026Oct 23, 2026

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

AON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing309+48
Oct 21, 2026261+59
Oct 16, 2026202+59
Oct 15, 20261430
Oct 14, 2026143+68
Oct 13, 2026750
Oct 09, 202675+1
Oct 08, 2026740
Oct 07, 202674+57
Oct 06, 2026170
Oct 05, 2026170
Oct 02, 202617No prior observation