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Contract OI history

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Dec 18, 2026 EXPIRATION

USAR $12.00 Put

USAR261218P00012000

Latest saved OI4,256Oct 23, 2026
Last change+19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $12.00 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. 4,2562,1280 2026-10-09: 4,132 OI2026-10-13: 4,106 OI2026-10-14: 4,106 OI2026-10-15: 4,181 OI2026-10-16: 4,206 OI2026-10-21: 4,237 OI2026-10-23: 4,256 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, 2026Viewing4,256+19
Oct 21, 20264,237+31
Oct 16, 20264,206+25
Oct 15, 20264,181+75
Oct 14, 20264,1060
Oct 13, 20264,106-26
Oct 09, 20264,132No prior observation