OITracker Cboe delayed data

Contract OI history

Back to ACN

Jan 15, 2027 EXPIRATION

ACN $145.00 Put

ACN270115P00145000

Latest saved OI233Oct 23, 2026
Last change-17vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACN $145.00 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. 2501250 2026-10-02: 242 OI2026-10-05: 237 OI2026-10-06: 246 OI2026-10-07: 246 OI2026-10-08: 246 OI2026-10-09: 246 OI2026-10-13: 248 OI2026-10-14: 248 OI2026-10-15: 248 OI2026-10-16: 250 OI2026-10-21: 250 OI2026-10-23: 233 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, 2026Viewing233-17
Oct 21, 20262500
Oct 16, 2026250+2
Oct 15, 20262480
Oct 14, 20262480
Oct 13, 2026248+2
Oct 09, 20262460
Oct 08, 20262460
Oct 07, 20262460
Oct 06, 2026246+9
Oct 05, 2026237-5
Oct 02, 2026242No prior observation