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Contract OI history

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Dec 18, 2026 EXPIRATION

USAR $5.00 Put

USAR261218P00005000

Latest saved OI199Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $5.00 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. 2011000 2026-10-09: 185 OI2026-10-13: 185 OI2026-10-14: 185 OI2026-10-15: 196 OI2026-10-16: 196 OI2026-10-21: 201 OI2026-10-23: 199 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, 2026Viewing199-2
Oct 21, 2026201+5
Oct 16, 20261960
Oct 15, 2026196+11
Oct 14, 20261850
Oct 13, 20261850
Oct 09, 2026185No prior observation