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Contract OI history

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Jan 15, 2027 EXPIRATION

ACHR $10.00 Put

ACHR270115P00010000

Latest saved OI3,829Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $10.00 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. 3,9431,9710 2026-10-02: 3,943 OI2026-10-05: 3,937 OI2026-10-06: 3,937 OI2026-10-07: 3,938 OI2026-10-08: 3,938 OI2026-10-09: 3,938 OI2026-10-13: 3,926 OI2026-10-14: 3,926 OI2026-10-15: 3,836 OI2026-10-16: 3,836 OI2026-10-21: 3,835 OI2026-10-23: 3,829 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, 2026Viewing3,829-6
Oct 21, 20263,835-1
Oct 16, 20263,8360
Oct 15, 20263,836-90
Oct 14, 20263,9260
Oct 13, 20263,926-12
Oct 09, 20263,9380
Oct 08, 20263,9380
Oct 07, 20263,938+1
Oct 06, 20263,9370
Oct 05, 20263,937-6
Oct 02, 20263,943No prior observation