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Contract OI history

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Jan 21, 2028 EXPIRATION

ACH $5.00 Call

ACH280121C00005000

Latest saved OI366Oct 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 $5.00 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. 3661830 2026-10-02: 366 OI2026-10-05: 366 OI2026-10-06: 366 OI2026-10-07: 366 OI2026-10-08: 366 OI2026-10-09: 366 OI2026-10-13: 366 OI2026-10-14: 366 OI2026-10-16: 366 OI2026-10-20: 366 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, 2026Viewing3660
Oct 16, 20263660
Oct 14, 20263660
Oct 13, 20263660
Oct 09, 20263660
Oct 08, 20263660
Oct 07, 20263660
Oct 06, 20263660
Oct 05, 20263660
Oct 02, 2026366No prior observation