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Contract OI history

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Dec 18, 2026 EXPIRATION

ACHR $5.00 Call

ACHR261218C00005000

Latest saved OI785Oct 23, 2026
Last change+265vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $5.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 7853920 2026-10-15: 0 OI2026-10-16: 34 OI2026-10-21: 520 OI2026-10-23: 785 OI Oct 15, 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, 2026Viewing785+265
Oct 21, 2026520+486
Oct 16, 202634+34
Oct 15, 20260No prior observation