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Contract OI history

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Oct 30, 2026 EXPIRATION

ACHR $5.00 Put

ACHR261030P00005000

Latest saved OI999Oct 23, 2026
Last change-42vs 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. 1,0415200 2026-10-02: 861 OI2026-10-05: 897 OI2026-10-06: 907 OI2026-10-07: 908 OI2026-10-08: 908 OI2026-10-09: 917 OI2026-10-13: 968 OI2026-10-14: 968 OI2026-10-15: 992 OI2026-10-16: 985 OI2026-10-21: 1,041 OI2026-10-23: 999 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, 2026Viewing999-42
Oct 21, 20261,041+56
Oct 16, 2026985-7
Oct 15, 2026992+24
Oct 14, 20269680
Oct 13, 2026968+51
Oct 09, 2026917+9
Oct 08, 20269080
Oct 07, 2026908+1
Oct 06, 2026907+10
Oct 05, 2026897+36
Oct 02, 2026861No prior observation