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Contract OI history

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Oct 23, 2026 EXPIRATION

ACHR $5.50 Call

ACHR261023C00005500

Latest saved OI3,415Oct 23, 2026
Last change+4vs 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. 3,4151,7070 2026-10-02: 1,095 OI2026-10-05: 2,121 OI2026-10-06: 2,141 OI2026-10-07: 2,131 OI2026-10-08: 2,131 OI2026-10-09: 2,587 OI2026-10-13: 2,746 OI2026-10-14: 2,746 OI2026-10-15: 3,393 OI2026-10-16: 3,392 OI2026-10-21: 3,411 OI2026-10-23: 3,415 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, 2026Viewing3,415+4
Oct 21, 20263,411+19
Oct 16, 20263,392-1
Oct 15, 20263,393+647
Oct 14, 20262,7460
Oct 13, 20262,746+159
Oct 09, 20262,587+456
Oct 08, 20262,1310
Oct 07, 20262,131-10
Oct 06, 20262,141+20
Oct 05, 20262,121+1,026
Oct 02, 20261,095No prior observation