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Contract OI history

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Oct 30, 2026 EXPIRATION

USAR $9.00 Put

USAR261030P00009000

Latest saved OI3,640Oct 23, 2026
Last change+2,966vs 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. 3,6401,8200 2026-10-09: 0 OI2026-10-13: 60 OI2026-10-14: 60 OI2026-10-15: 268 OI2026-10-16: 421 OI2026-10-21: 674 OI2026-10-23: 3,640 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, 2026Viewing3,640+2,966
Oct 21, 2026674+253
Oct 16, 2026421+153
Oct 15, 2026268+208
Oct 14, 2026600
Oct 13, 202660+60
Oct 09, 20260No prior observation