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Contract OI history

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Apr 16, 2027 EXPIRATION

ACHR $11.00 Put

ACHR270416P00011000

Latest saved OI32Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $11.00 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. 32160 2026-10-02: 8 OI2026-10-05: 8 OI2026-10-06: 7 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 7 OI2026-10-13: 27 OI2026-10-14: 27 OI2026-10-15: 32 OI2026-10-16: 32 OI2026-10-21: 32 OI2026-10-23: 32 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, 2026Viewing320
Oct 21, 2026320
Oct 16, 2026320
Oct 15, 202632+5
Oct 14, 2026270
Oct 13, 202627+20
Oct 09, 202670
Oct 08, 202670
Oct 07, 202670
Oct 06, 20267-1
Oct 05, 202680
Oct 02, 20268No prior observation