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Contract OI history

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Mar 19, 2027 EXPIRATION

USAR $9.00 Put

USAR270319P00009000

Latest saved OI554Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $9.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 5712850 2026-10-09: 110 OI2026-10-13: 562 OI2026-10-14: 562 OI2026-10-15: 571 OI2026-10-16: 553 OI2026-10-21: 553 OI2026-10-23: 554 OI Oct 09, 2026Oct 23, 2026

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

USAR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing554+1
Oct 21, 20265530
Oct 16, 2026553-18
Oct 15, 2026571+9
Oct 14, 20265620
Oct 13, 2026562+452
Oct 09, 2026110No prior observation