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Contract OI history

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Jan 15, 2027 EXPIRATION

USAR $27.00 Put

USAR270115P00027000

Latest saved OI227Oct 23, 2026
Last change-32vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $27.00 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. 1,1265630 2026-10-09: 1,126 OI2026-10-13: 1,125 OI2026-10-14: 1,125 OI2026-10-15: 259 OI2026-10-16: 259 OI2026-10-21: 259 OI2026-10-23: 227 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, 2026Viewing227-32
Oct 21, 20262590
Oct 16, 20262590
Oct 15, 2026259-866
Oct 14, 20261,1250
Oct 13, 20261,125-1
Oct 09, 20261,126No prior observation