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Contract OI history

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Jan 15, 2027 EXPIRATION

ACHR $8.00 Put

ACHR270115P00008000

Latest saved OI485Oct 23, 2026
Last change-19vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACHR $8.00 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. 5902950 2026-10-02: 590 OI2026-10-05: 554 OI2026-10-06: 561 OI2026-10-07: 560 OI2026-10-08: 560 OI2026-10-09: 564 OI2026-10-13: 562 OI2026-10-14: 562 OI2026-10-15: 511 OI2026-10-16: 510 OI2026-10-21: 504 OI2026-10-23: 485 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, 2026Viewing485-19
Oct 21, 2026504-6
Oct 16, 2026510-1
Oct 15, 2026511-51
Oct 14, 20265620
Oct 13, 2026562-2
Oct 09, 2026564+4
Oct 08, 20265600
Oct 07, 2026560-1
Oct 06, 2026561+7
Oct 05, 2026554-36
Oct 02, 2026590No prior observation