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Contract OI history

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Oct 23, 2026 EXPIRATION

ACHR $5.00 Put

ACHR261023P00005000

Latest saved OI144Oct 23, 2026
Last change-589vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $5.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0625310 2026-10-02: 682 OI2026-10-05: 733 OI2026-10-06: 733 OI2026-10-07: 742 OI2026-10-08: 742 OI2026-10-09: 873 OI2026-10-13: 924 OI2026-10-14: 924 OI2026-10-15: 924 OI2026-10-16: 1,062 OI2026-10-21: 733 OI2026-10-23: 144 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, 2026Viewing144-589
Oct 21, 2026733-329
Oct 16, 20261,062+138
Oct 15, 20269240
Oct 14, 20269240
Oct 13, 2026924+51
Oct 09, 2026873+131
Oct 08, 20267420
Oct 07, 2026742+9
Oct 06, 20267330
Oct 05, 2026733+51
Oct 02, 2026682No prior observation