OITracker Cboe delayed data

Contract OI history

Back to ACH

Dec 18, 2026 EXPIRATION

ACH $2.00 Put

ACH261218P00002000

Latest saved OI13Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACH $2.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 1990 2026-10-02: 19 OI2026-10-05: 19 OI2026-10-06: 19 OI2026-10-07: 19 OI2026-10-08: 19 OI2026-10-09: 13 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-16: 13 OI2026-10-20: 13 OI Oct 02, 2026Oct 20, 2026

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

ACH contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing130
Oct 16, 2026130
Oct 14, 2026130
Oct 13, 2026130
Oct 09, 202613-6
Oct 08, 2026190
Oct 07, 2026190
Oct 06, 2026190
Oct 05, 2026190
Oct 02, 202619No prior observation