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Contract OI history

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Jan 15, 2027 EXPIRATION

ACHR $12.00 Put

ACHR270115P00012000

Latest saved OI52Oct 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 $12.00 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. 83410 2026-10-02: 83 OI2026-10-05: 83 OI2026-10-06: 83 OI2026-10-07: 83 OI2026-10-08: 83 OI2026-10-09: 60 OI2026-10-13: 53 OI2026-10-14: 53 OI2026-10-15: 53 OI2026-10-16: 53 OI2026-10-21: 53 OI2026-10-23: 52 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, 2026Viewing52-1
Oct 21, 2026530
Oct 16, 2026530
Oct 15, 2026530
Oct 14, 2026530
Oct 13, 202653-7
Oct 09, 202660-23
Oct 08, 2026830
Oct 07, 2026830
Oct 06, 2026830
Oct 05, 2026830
Oct 02, 202683No prior observation