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Contract OI history

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Nov 27, 2026 EXPIRATION

ACHR $4.00 Call

ACHR261127C00004000

Latest saved OI306Oct 23, 2026
Last change+20vs previous saved observation
Saved market days9Oct 07, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $4.00 call open interest history 9 saved observations from 2026-10-07 to 2026-10-23. Exact values and changes are listed in the table below. 3061530 2026-10-07: 0 OI2026-10-08: 0 OI2026-10-09: 203 OI2026-10-13: 232 OI2026-10-14: 232 OI2026-10-15: 233 OI2026-10-16: 245 OI2026-10-21: 286 OI2026-10-23: 306 OI Oct 07, 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, 2026Viewing306+20
Oct 21, 2026286+41
Oct 16, 2026245+12
Oct 15, 2026233+1
Oct 14, 20262320
Oct 13, 2026232+29
Oct 09, 2026203+203
Oct 08, 202600
Oct 07, 20260No prior observation