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Contract OI history

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Jan 21, 2028 EXPIRATION

ACHR $25.00 Call

ACHR280121C00025000

Latest saved OI1,987Oct 23, 2026
Last change+14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $25.00 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. 1,9879930 2026-10-02: 1,878 OI2026-10-05: 1,878 OI2026-10-06: 1,878 OI2026-10-07: 1,959 OI2026-10-08: 1,959 OI2026-10-09: 1,964 OI2026-10-13: 1,967 OI2026-10-14: 1,967 OI2026-10-15: 1,958 OI2026-10-16: 1,958 OI2026-10-21: 1,973 OI2026-10-23: 1,987 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, 2026Viewing1,987+14
Oct 21, 20261,973+15
Oct 16, 20261,9580
Oct 15, 20261,958-9
Oct 14, 20261,9670
Oct 13, 20261,967+3
Oct 09, 20261,964+5
Oct 08, 20261,9590
Oct 07, 20261,959+81
Oct 06, 20261,8780
Oct 05, 20261,8780
Oct 02, 20261,878No prior observation