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Contract OI history

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Jan 15, 2027 EXPIRATION

ACHR $4.00 Call

ACHR270115C00004000

Latest saved OI6,561Oct 23, 2026
Last change+158vs 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. 6,5613,2800 2026-10-02: 4,807 OI2026-10-05: 4,816 OI2026-10-06: 4,826 OI2026-10-07: 4,863 OI2026-10-08: 4,863 OI2026-10-09: 5,333 OI2026-10-13: 5,424 OI2026-10-14: 5,424 OI2026-10-15: 6,031 OI2026-10-16: 6,093 OI2026-10-21: 6,403 OI2026-10-23: 6,561 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, 2026Viewing6,561+158
Oct 21, 20266,403+310
Oct 16, 20266,093+62
Oct 15, 20266,031+607
Oct 14, 20265,4240
Oct 13, 20265,424+91
Oct 09, 20265,333+470
Oct 08, 20264,8630
Oct 07, 20264,863+37
Oct 06, 20264,826+10
Oct 05, 20264,816+9
Oct 02, 20264,807No prior observation