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Contract OI history

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Oct 23, 2026 EXPIRATION

USAR $11.50 Put

USAR261023P00011500

Latest saved OI100Oct 23, 2026
Last change-94vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $11.50 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. 194970 2026-10-09: 22 OI2026-10-13: 178 OI2026-10-14: 178 OI2026-10-15: 194 OI2026-10-16: 192 OI2026-10-21: 194 OI2026-10-23: 100 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, 2026Viewing100-94
Oct 21, 2026194+2
Oct 16, 2026192-2
Oct 15, 2026194+16
Oct 14, 20261780
Oct 13, 2026178+156
Oct 09, 202622No prior observation