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Contract OI history

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Nov 20, 2026 EXPIRATION

ACHR $3.00 Put

ACHR261120P00003000

Latest saved OI636Oct 23, 2026
Last change+57vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $3.00 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. 6363180 2026-10-02: 11 OI2026-10-05: 25 OI2026-10-06: 374 OI2026-10-07: 397 OI2026-10-08: 397 OI2026-10-09: 400 OI2026-10-13: 446 OI2026-10-14: 446 OI2026-10-15: 481 OI2026-10-16: 561 OI2026-10-21: 579 OI2026-10-23: 636 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, 2026Viewing636+57
Oct 21, 2026579+18
Oct 16, 2026561+80
Oct 15, 2026481+35
Oct 14, 20264460
Oct 13, 2026446+46
Oct 09, 2026400+3
Oct 08, 20263970
Oct 07, 2026397+23
Oct 06, 2026374+349
Oct 05, 202625+14
Oct 02, 202611No prior observation