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Contract OI history

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Nov 20, 2026 EXPIRATION

ACHR $5.00 Put

ACHR261120P00005000

Latest saved OI3,053Oct 23, 2026
Last change+27vs 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. 3,0791,5390 2026-10-02: 1,927 OI2026-10-05: 2,332 OI2026-10-06: 2,403 OI2026-10-07: 2,436 OI2026-10-08: 2,436 OI2026-10-09: 2,769 OI2026-10-13: 2,960 OI2026-10-14: 2,960 OI2026-10-15: 3,015 OI2026-10-16: 3,079 OI2026-10-21: 3,026 OI2026-10-23: 3,053 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, 2026Viewing3,053+27
Oct 21, 20263,026-53
Oct 16, 20263,079+64
Oct 15, 20263,015+55
Oct 14, 20262,9600
Oct 13, 20262,960+191
Oct 09, 20262,769+333
Oct 08, 20262,4360
Oct 07, 20262,436+33
Oct 06, 20262,403+71
Oct 05, 20262,332+405
Oct 02, 20261,927No prior observation