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Contract OI history

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Dec 18, 2026 EXPIRATION

USAR $25.00 Put

USAR261218P00025000

Latest saved OI93Oct 23, 2026
Last change-27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $25.00 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. 4,8472,4230 2026-10-09: 4,847 OI2026-10-13: 4,829 OI2026-10-14: 4,829 OI2026-10-15: 4,804 OI2026-10-16: 4,804 OI2026-10-21: 120 OI2026-10-23: 93 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, 2026Viewing93-27
Oct 21, 2026120-4,684
Oct 16, 20264,8040
Oct 15, 20264,804-25
Oct 14, 20264,8290
Oct 13, 20264,829-18
Oct 09, 20264,847No prior observation