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Contract OI history

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Nov 20, 2026 EXPIRATION

USAR $13.00 Put

USAR261120P00013000

Latest saved OI2,163Oct 23, 2026
Last change-9vs 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. 3,7471,8730 2026-10-09: 3,520 OI2026-10-13: 3,675 OI2026-10-14: 3,675 OI2026-10-15: 3,747 OI2026-10-16: 2,321 OI2026-10-21: 2,172 OI2026-10-23: 2,163 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, 2026Viewing2,163-9
Oct 21, 20262,172-149
Oct 16, 20262,321-1,426
Oct 15, 20263,747+72
Oct 14, 20263,6750
Oct 13, 20263,675+155
Oct 09, 20263,520No prior observation