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Contract OI history

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Nov 20, 2026 EXPIRATION

ACHC $30.00 Put

ACHC261120P00030000

Latest saved OI6Oct 20, 2026
Last change+1vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHC $30.00 put open interest history 5 saved observations from 2026-10-09 to 2026-10-20. Exact values and changes are listed in the table below. 630 2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-16: 5 OI2026-10-20: 6 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, 2026Viewing6+1
Oct 16, 20265+2
Oct 14, 202630
Oct 13, 202630
Oct 09, 20263No prior observation