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Contract OI history

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Jan 21, 2028 EXPIRATION

ACHR $17.00 Call

ACHR280121C00017000

Latest saved OI2,165Oct 23, 2026
Last change+17vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $17.00 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. 2,1831,0910 2026-10-02: 1,527 OI2026-10-05: 1,560 OI2026-10-06: 2,126 OI2026-10-07: 2,078 OI2026-10-08: 2,078 OI2026-10-09: 2,084 OI2026-10-13: 2,083 OI2026-10-14: 2,083 OI2026-10-15: 2,183 OI2026-10-16: 2,183 OI2026-10-21: 2,148 OI2026-10-23: 2,165 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, 2026Viewing2,165+17
Oct 21, 20262,148-35
Oct 16, 20262,1830
Oct 15, 20262,183+100
Oct 14, 20262,0830
Oct 13, 20262,083-1
Oct 09, 20262,084+6
Oct 08, 20262,0780
Oct 07, 20262,078-48
Oct 06, 20262,126+566
Oct 05, 20261,560+33
Oct 02, 20261,527No prior observation