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Contract OI history

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Jan 19, 2029 EXPIRATION

ACHR $4.00 Call

ACHR290119C00004000

Latest saved OI763Oct 23, 2026
Last change+64vs 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. 7633810 2026-10-02: 84 OI2026-10-05: 155 OI2026-10-06: 181 OI2026-10-07: 196 OI2026-10-08: 196 OI2026-10-09: 325 OI2026-10-13: 436 OI2026-10-14: 436 OI2026-10-15: 539 OI2026-10-16: 577 OI2026-10-21: 699 OI2026-10-23: 763 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, 2026Viewing763+64
Oct 21, 2026699+122
Oct 16, 2026577+38
Oct 15, 2026539+103
Oct 14, 20264360
Oct 13, 2026436+111
Oct 09, 2026325+129
Oct 08, 20261960
Oct 07, 2026196+15
Oct 06, 2026181+26
Oct 05, 2026155+71
Oct 02, 202684No prior observation