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Contract OI history

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Oct 30, 2026 EXPIRATION

ACHR $4.00 Call

ACHR261030C00004000

Latest saved OI1,037Oct 23, 2026
Last change+482vs 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. 1,0375180 2026-10-02: 5 OI2026-10-05: 7 OI2026-10-06: 7 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 16 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-15: 178 OI2026-10-16: 139 OI2026-10-21: 555 OI2026-10-23: 1,037 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, 2026Viewing1,037+482
Oct 21, 2026555+416
Oct 16, 2026139-39
Oct 15, 2026178+159
Oct 14, 2026190
Oct 13, 202619+3
Oct 09, 202616+6
Oct 08, 2026100
Oct 07, 202610+3
Oct 06, 202670
Oct 05, 20267+2
Oct 02, 20265No prior observation