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Contract OI history

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Oct 23, 2026 EXPIRATION

ACHR $3.50 Call

ACHR261023C00003500

Latest saved OI304Oct 23, 2026
Last change+216vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $3.50 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. 3041520 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 9 OI2026-10-07: 9 OI2026-10-08: 9 OI2026-10-09: 10 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-15: 10 OI2026-10-16: 13 OI2026-10-21: 88 OI2026-10-23: 304 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, 2026Viewing304+216
Oct 21, 202688+75
Oct 16, 202613+3
Oct 15, 2026100
Oct 14, 2026100
Oct 13, 2026100
Oct 09, 202610+1
Oct 08, 202690
Oct 07, 202690
Oct 06, 202690
Oct 05, 202690
Oct 02, 20269No prior observation