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Contract OI history

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Dec 18, 2026 EXPIRATION

USAR $13.00 Put

USAR261218P00013000

Latest saved OI2,805Oct 23, 2026
Last change+48vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $13.00 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. 2,8051,4020 2026-10-09: 2,432 OI2026-10-13: 2,554 OI2026-10-14: 2,554 OI2026-10-15: 2,638 OI2026-10-16: 2,665 OI2026-10-21: 2,757 OI2026-10-23: 2,805 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, 2026Viewing2,805+48
Oct 21, 20262,757+92
Oct 16, 20262,665+27
Oct 15, 20262,638+84
Oct 14, 20262,5540
Oct 13, 20262,554+122
Oct 09, 20262,432No prior observation