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Contract OI history

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Nov 20, 2026 EXPIRATION

ACHR $7.00 Put

ACHR261120P00007000

Latest saved OI118Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $7.00 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. 177880 2026-10-02: 168 OI2026-10-05: 172 OI2026-10-06: 172 OI2026-10-07: 176 OI2026-10-08: 176 OI2026-10-09: 177 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-15: 122 OI2026-10-16: 122 OI2026-10-21: 120 OI2026-10-23: 118 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, 2026Viewing118-2
Oct 21, 2026120-2
Oct 16, 20261220
Oct 15, 2026122-12
Oct 14, 20261340
Oct 13, 2026134-43
Oct 09, 2026177+1
Oct 08, 20261760
Oct 07, 2026176+4
Oct 06, 20261720
Oct 05, 2026172+4
Oct 02, 2026168No prior observation