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Contract OI history

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Dec 18, 2026 EXPIRATION

USAR $16.00 Put

USAR261218P00016000

Latest saved OI8,209Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $16.00 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. 8,3894,1940 2026-10-09: 8,257 OI2026-10-13: 8,366 OI2026-10-14: 8,366 OI2026-10-15: 8,389 OI2026-10-16: 8,348 OI2026-10-21: 8,206 OI2026-10-23: 8,209 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, 2026Viewing8,209+3
Oct 21, 20268,206-142
Oct 16, 20268,348-41
Oct 15, 20268,389+23
Oct 14, 20268,3660
Oct 13, 20268,366+109
Oct 09, 20268,257No prior observation