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Contract OI history

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Apr 16, 2027 EXPIRATION

ACHR $10.00 Put

ACHR270416P00010000

Latest saved OI74Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $10.00 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. 75370 2026-10-02: 70 OI2026-10-05: 70 OI2026-10-06: 70 OI2026-10-07: 70 OI2026-10-08: 70 OI2026-10-09: 75 OI2026-10-13: 75 OI2026-10-14: 75 OI2026-10-15: 73 OI2026-10-16: 73 OI2026-10-21: 73 OI2026-10-23: 74 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, 2026Viewing74+1
Oct 21, 2026730
Oct 16, 2026730
Oct 15, 202673-2
Oct 14, 2026750
Oct 13, 2026750
Oct 09, 202675+5
Oct 08, 2026700
Oct 07, 2026700
Oct 06, 2026700
Oct 05, 2026700
Oct 02, 202670No prior observation