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Contract OI history

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Oct 30, 2026 EXPIRATION

USAR $8.00 Put

USAR261030P00008000

Latest saved OI185Oct 23, 2026
Last change+40vs 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. 185920 2026-10-09: 0 OI2026-10-13: 15 OI2026-10-14: 15 OI2026-10-15: 135 OI2026-10-16: 143 OI2026-10-21: 145 OI2026-10-23: 185 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, 2026Viewing185+40
Oct 21, 2026145+2
Oct 16, 2026143+8
Oct 15, 2026135+120
Oct 14, 2026150
Oct 13, 202615+15
Oct 09, 20260No prior observation