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Contract OI history

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Dec 18, 2026 EXPIRATION

ACH $7.00 Call

ACH261218C00007000

Latest saved OI173Oct 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 $7.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 189940 2026-10-02: 189 OI2026-10-05: 189 OI2026-10-06: 189 OI2026-10-07: 189 OI2026-10-08: 189 OI2026-10-09: 189 OI2026-10-13: 173 OI2026-10-14: 173 OI2026-10-16: 173 OI2026-10-20: 173 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, 2026Viewing1730
Oct 16, 20261730
Oct 14, 20261730
Oct 13, 2026173-16
Oct 09, 20261890
Oct 08, 20261890
Oct 07, 20261890
Oct 06, 20261890
Oct 05, 20261890
Oct 02, 2026189No prior observation