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Contract OI history

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Apr 16, 2027 EXPIRATION

ACHR $8.00 Put

ACHR270416P00008000

Latest saved OI814Oct 23, 2026
Last change+18vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $8.00 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. 8144070 2026-10-02: 665 OI2026-10-05: 698 OI2026-10-06: 698 OI2026-10-07: 696 OI2026-10-08: 696 OI2026-10-09: 745 OI2026-10-13: 753 OI2026-10-14: 753 OI2026-10-15: 804 OI2026-10-16: 804 OI2026-10-21: 796 OI2026-10-23: 814 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, 2026Viewing814+18
Oct 21, 2026796-8
Oct 16, 20268040
Oct 15, 2026804+51
Oct 14, 20267530
Oct 13, 2026753+8
Oct 09, 2026745+49
Oct 08, 20266960
Oct 07, 2026696-2
Oct 06, 20266980
Oct 05, 2026698+33
Oct 02, 2026665No prior observation