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Contract OI history

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Oct 23, 2026 EXPIRATION

USAR $10.50 Put

USAR261023P00010500

Latest saved OI315Oct 23, 2026
Last change-37vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $10.50 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. 3521760 2026-10-09: 0 OI2026-10-13: 41 OI2026-10-14: 41 OI2026-10-15: 240 OI2026-10-16: 289 OI2026-10-21: 352 OI2026-10-23: 315 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, 2026Viewing315-37
Oct 21, 2026352+63
Oct 16, 2026289+49
Oct 15, 2026240+199
Oct 14, 2026410
Oct 13, 202641+41
Oct 09, 20260No prior observation