OITracker Cboe delayed data

Contract OI history

Back to ACHR

Oct 23, 2026 EXPIRATION

ACHR $4.00 Call

ACHR261023C00004000

Latest saved OI2,136Oct 23, 2026
Last change+1,321vs 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. 2,1361,0680 2026-10-02: 11 OI2026-10-05: 14 OI2026-10-06: 16 OI2026-10-07: 20 OI2026-10-08: 20 OI2026-10-09: 52 OI2026-10-13: 155 OI2026-10-14: 155 OI2026-10-15: 230 OI2026-10-16: 233 OI2026-10-21: 815 OI2026-10-23: 2,136 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, 2026Viewing2,136+1,321
Oct 21, 2026815+582
Oct 16, 2026233+3
Oct 15, 2026230+75
Oct 14, 20261550
Oct 13, 2026155+103
Oct 09, 202652+32
Oct 08, 2026200
Oct 07, 202620+4
Oct 06, 202616+2
Oct 05, 202614+3
Oct 02, 202611No prior observation