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Contract OI history

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Jan 19, 2029 EXPIRATION

ACHR $7.00 Put

ACHR290119P00007000

Latest saved OI192Oct 23, 2026
Last change+15vs 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. 192960 2026-10-02: 179 OI2026-10-05: 181 OI2026-10-06: 182 OI2026-10-07: 184 OI2026-10-08: 184 OI2026-10-09: 184 OI2026-10-13: 184 OI2026-10-14: 184 OI2026-10-15: 182 OI2026-10-16: 166 OI2026-10-21: 177 OI2026-10-23: 192 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, 2026Viewing192+15
Oct 21, 2026177+11
Oct 16, 2026166-16
Oct 15, 2026182-2
Oct 14, 20261840
Oct 13, 20261840
Oct 09, 20261840
Oct 08, 20261840
Oct 07, 2026184+2
Oct 06, 2026182+1
Oct 05, 2026181+2
Oct 02, 2026179No prior observation