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Contract OI history

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Oct 30, 2026 EXPIRATION

USAR $10.50 Put

USAR261030P00010500

Latest saved OI535Oct 23, 2026
Last change+18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $10.50 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. 5352670 2026-10-09: 0 OI2026-10-13: 358 OI2026-10-14: 358 OI2026-10-15: 435 OI2026-10-16: 481 OI2026-10-21: 517 OI2026-10-23: 535 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, 2026Viewing535+18
Oct 21, 2026517+36
Oct 16, 2026481+46
Oct 15, 2026435+77
Oct 14, 20263580
Oct 13, 2026358+358
Oct 09, 20260No prior observation