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Contract OI history

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Oct 30, 2026 EXPIRATION

ACHR $5.50 Call

ACHR261030C00005500

Latest saved OI3,087Oct 23, 2026
Last change-12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $5.50 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. 3,3571,6780 2026-10-02: 484 OI2026-10-05: 1,550 OI2026-10-06: 2,206 OI2026-10-07: 2,277 OI2026-10-08: 2,277 OI2026-10-09: 2,462 OI2026-10-13: 2,791 OI2026-10-14: 2,791 OI2026-10-15: 3,107 OI2026-10-16: 3,357 OI2026-10-21: 3,099 OI2026-10-23: 3,087 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, 2026Viewing3,087-12
Oct 21, 20263,099-258
Oct 16, 20263,357+250
Oct 15, 20263,107+316
Oct 14, 20262,7910
Oct 13, 20262,791+329
Oct 09, 20262,462+185
Oct 08, 20262,2770
Oct 07, 20262,277+71
Oct 06, 20262,206+656
Oct 05, 20261,550+1,066
Oct 02, 2026484No prior observation