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Contract OI history

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Apr 16, 2027 EXPIRATION

ACHR $5.00 Put

ACHR270416P00005000

Latest saved OI1,842Oct 23, 2026
Last change+22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $5.00 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. 1,8429210 2026-10-02: 820 OI2026-10-05: 884 OI2026-10-06: 898 OI2026-10-07: 933 OI2026-10-08: 933 OI2026-10-09: 1,158 OI2026-10-13: 1,186 OI2026-10-14: 1,186 OI2026-10-15: 1,224 OI2026-10-16: 1,810 OI2026-10-21: 1,820 OI2026-10-23: 1,842 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, 2026Viewing1,842+22
Oct 21, 20261,820+10
Oct 16, 20261,810+586
Oct 15, 20261,224+38
Oct 14, 20261,1860
Oct 13, 20261,186+28
Oct 09, 20261,158+225
Oct 08, 20269330
Oct 07, 2026933+35
Oct 06, 2026898+14
Oct 05, 2026884+64
Oct 02, 2026820No prior observation