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Contract OI history

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Dec 15, 2028 EXPIRATION

ACH $1000.00 Call

ACH281215C00001000

Latest saved OI159Oct 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 $1000.00 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. 159790 2026-10-02: 131 OI2026-10-05: 131 OI2026-10-06: 151 OI2026-10-07: 151 OI2026-10-08: 151 OI2026-10-09: 154 OI2026-10-13: 154 OI2026-10-14: 159 OI2026-10-16: 159 OI2026-10-20: 159 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, 2026Viewing1590
Oct 16, 20261590
Oct 14, 2026159+5
Oct 13, 20261540
Oct 09, 2026154+3
Oct 08, 20261510
Oct 07, 20261510
Oct 06, 2026151+20
Oct 05, 20261310
Oct 02, 2026131No prior observation