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Contract OI history

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Oct 23, 2026 EXPIRATION

ACHR $6.00 Put

ACHR261023P00006000

Latest saved OI63Oct 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 $6.00 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. 2611300 2026-10-02: 261 OI2026-10-05: 251 OI2026-10-06: 225 OI2026-10-07: 226 OI2026-10-08: 226 OI2026-10-09: 226 OI2026-10-13: 227 OI2026-10-14: 227 OI2026-10-15: 228 OI2026-10-16: 181 OI2026-10-21: 62 OI2026-10-23: 63 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, 2026Viewing63+1
Oct 21, 202662-119
Oct 16, 2026181-47
Oct 15, 2026228+1
Oct 14, 20262270
Oct 13, 2026227+1
Oct 09, 20262260
Oct 08, 20262260
Oct 07, 2026226+1
Oct 06, 2026225-26
Oct 05, 2026251-10
Oct 02, 2026261No prior observation