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Contract OI history

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Nov 20, 2026 EXPIRATION

USAR $8.00 Put

USAR261120P00008000

Latest saved OI666Oct 23, 2026
Last change+155vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $8.00 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. 6663330 2026-10-09: 6 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 308 OI2026-10-16: 330 OI2026-10-21: 511 OI2026-10-23: 666 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, 2026Viewing666+155
Oct 21, 2026511+181
Oct 16, 2026330+22
Oct 15, 2026308+51
Oct 14, 20262570
Oct 13, 2026257+251
Oct 09, 20266No prior observation