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Contract OI history

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Oct 23, 2026 EXPIRATION

ACHR $7.50 Put

ACHR261023P00007500

Latest saved OI1Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $7.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 420 2026-10-02: 2 OI2026-10-05: 3 OI2026-10-06: 3 OI2026-10-07: 3 OI2026-10-08: 3 OI2026-10-09: 4 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 1 OI2026-10-16: 2 OI2026-10-21: 0 OI2026-10-23: 1 OI Oct 02, 2026Oct 23, 2026

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

ACHR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1+1
Oct 21, 20260-2
Oct 16, 20262+1
Oct 15, 20261-1
Oct 14, 202620
Oct 13, 20262-2
Oct 09, 20264+1
Oct 08, 202630
Oct 07, 202630
Oct 06, 202630
Oct 05, 20263+1
Oct 02, 20262No prior observation