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Contract OI history

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Nov 20, 2026 EXPIRATION

ACHR $4.00 Call

ACHR261120C00004000

Latest saved OI605Oct 23, 2026
Last change+182vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $4.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6053020 2026-10-02: 14 OI2026-10-05: 118 OI2026-10-06: 150 OI2026-10-07: 261 OI2026-10-08: 261 OI2026-10-09: 249 OI2026-10-13: 282 OI2026-10-14: 282 OI2026-10-15: 342 OI2026-10-16: 359 OI2026-10-21: 423 OI2026-10-23: 605 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, 2026Viewing605+182
Oct 21, 2026423+64
Oct 16, 2026359+17
Oct 15, 2026342+60
Oct 14, 20262820
Oct 13, 2026282+33
Oct 09, 2026249-12
Oct 08, 20262610
Oct 07, 2026261+111
Oct 06, 2026150+32
Oct 05, 2026118+104
Oct 02, 202614No prior observation