OITracker Cboe delayed data

Contract OI history

Back to ACN

Oct 23, 2026 EXPIRATION

ACN $170.00 Put

ACN261023P00170000

Latest saved OI217Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACN $170.00 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. 5232610 2026-10-02: 523 OI2026-10-05: 220 OI2026-10-06: 222 OI2026-10-07: 222 OI2026-10-08: 222 OI2026-10-09: 219 OI2026-10-13: 217 OI2026-10-14: 217 OI2026-10-15: 217 OI2026-10-16: 217 OI2026-10-21: 217 OI2026-10-23: 217 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, 2026Viewing2170
Oct 21, 20262170
Oct 16, 20262170
Oct 15, 20262170
Oct 14, 20262170
Oct 13, 2026217-2
Oct 09, 2026219-3
Oct 08, 20262220
Oct 07, 20262220
Oct 06, 2026222+2
Oct 05, 2026220-303
Oct 02, 2026523No prior observation