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Contract OI history

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Dec 18, 2026 EXPIRATION

USAC $40.00 Put

USAC261218P00040000

Latest saved OI16Oct 08, 2026
Last change0vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
USAC $40.00 put open interest history 5 saved observations from 2026-10-02 to 2026-10-08. Exact values and changes are listed in the table below. 1680 2026-10-02: 16 OI2026-10-05: 16 OI2026-10-06: 16 OI2026-10-07: 16 OI2026-10-08: 16 OI Oct 02, 2026Oct 08, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

USAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 08, 2026Viewing160
Oct 07, 2026160
Oct 06, 2026160
Oct 05, 2026160
Oct 02, 202616No prior observation