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Contract OI history

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Apr 16, 2027 EXPIRATION

ACHR $12.00 Put

ACHR270416P00012000

Latest saved OI26Oct 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 $12.00 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. 47230 2026-10-02: 47 OI2026-10-05: 26 OI2026-10-06: 25 OI2026-10-07: 25 OI2026-10-08: 25 OI2026-10-09: 25 OI2026-10-13: 26 OI2026-10-14: 26 OI2026-10-15: 26 OI2026-10-16: 26 OI2026-10-21: 26 OI2026-10-23: 26 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, 2026Viewing260
Oct 21, 2026260
Oct 16, 2026260
Oct 15, 2026260
Oct 14, 2026260
Oct 13, 202626+1
Oct 09, 2026250
Oct 08, 2026250
Oct 07, 2026250
Oct 06, 202625-1
Oct 05, 202626-21
Oct 02, 202647No prior observation