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Contract OI history

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Oct 23, 2026 EXPIRATION

USAR $9.00 Put

USAR261023P00009000

Latest saved OI540Oct 23, 2026
Last change+194vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $9.00 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. 5402700 2026-10-09: 3 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-15: 167 OI2026-10-16: 278 OI2026-10-21: 346 OI2026-10-23: 540 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, 2026Viewing540+194
Oct 21, 2026346+68
Oct 16, 2026278+111
Oct 15, 2026167+162
Oct 14, 202650
Oct 13, 20265+2
Oct 09, 20263No prior observation