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Contract OI history

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Dec 18, 2026 EXPIRATION

ACHV $7.50 Call

ACHV261218C00007500

Latest saved OI4,921Oct 23, 2026
Last change-1vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHV $7.50 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,9222,4610 2026-10-09: 4,896 OI2026-10-13: 4,896 OI2026-10-14: 4,897 OI2026-10-16: 4,897 OI2026-10-21: 4,922 OI2026-10-23: 4,921 OI Oct 09, 2026Oct 23, 2026

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

ACHV contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,921-1
Oct 21, 20264,922+25
Oct 16, 20264,8970
Oct 14, 20264,897+1
Oct 13, 20264,8960
Oct 09, 20264,896No prior observation