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Contract OI history

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Mar 19, 2027 EXPIRATION

USAR $8.00 Put

USAR270319P00008000

Latest saved OI544Oct 23, 2026
Last change+13vs 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. 5442720 2026-10-09: 127 OI2026-10-13: 127 OI2026-10-14: 127 OI2026-10-15: 313 OI2026-10-16: 510 OI2026-10-21: 531 OI2026-10-23: 544 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, 2026Viewing544+13
Oct 21, 2026531+21
Oct 16, 2026510+197
Oct 15, 2026313+186
Oct 14, 20261270
Oct 13, 20261270
Oct 09, 2026127No prior observation