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Contract OI history

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Jan 15, 2027 EXPIRATION

USAR $25.00 Put

USAR270115P00025000

Latest saved OI216Oct 23, 2026
Last change-561vs 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. 8194090 2026-10-09: 819 OI2026-10-13: 811 OI2026-10-14: 811 OI2026-10-15: 811 OI2026-10-16: 810 OI2026-10-21: 777 OI2026-10-23: 216 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, 2026Viewing216-561
Oct 21, 2026777-33
Oct 16, 2026810-1
Oct 15, 20268110
Oct 14, 20268110
Oct 13, 2026811-8
Oct 09, 2026819No prior observation