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Contract OI history

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Dec 18, 2026 EXPIRATION

ACHC $25.00 Call

ACHC261218C00025000

Latest saved OI133Oct 20, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHC $25.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 134670 2026-10-09: 134 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-16: 133 OI2026-10-20: 133 OI Oct 09, 2026Oct 20, 2026

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

ACHC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing1330
Oct 16, 2026133-1
Oct 14, 20261340
Oct 13, 20261340
Oct 09, 2026134No prior observation