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Contract OI history

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Nov 20, 2026 EXPIRATION

ACHR $6.00 Put

ACHR261120P00006000

Latest saved OI998Oct 23, 2026
Last change-7vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $6.00 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. 1,0395190 2026-10-02: 355 OI2026-10-05: 473 OI2026-10-06: 489 OI2026-10-07: 471 OI2026-10-08: 471 OI2026-10-09: 502 OI2026-10-13: 1,039 OI2026-10-14: 1,039 OI2026-10-15: 1,031 OI2026-10-16: 1,022 OI2026-10-21: 1,005 OI2026-10-23: 998 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, 2026Viewing998-7
Oct 21, 20261,005-17
Oct 16, 20261,022-9
Oct 15, 20261,031-8
Oct 14, 20261,0390
Oct 13, 20261,039+537
Oct 09, 2026502+31
Oct 08, 20264710
Oct 07, 2026471-18
Oct 06, 2026489+16
Oct 05, 2026473+118
Oct 02, 2026355No prior observation