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Contract OI history

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Dec 18, 2026 EXPIRATION

USAR $8.00 Put

USAR261218P00008000

Latest saved OI9,046Oct 23, 2026
Last change-201vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $8.00 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. 9,2474,6230 2026-10-09: 343 OI2026-10-13: 347 OI2026-10-14: 347 OI2026-10-15: 390 OI2026-10-16: 3,237 OI2026-10-21: 9,247 OI2026-10-23: 9,046 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, 2026Viewing9,046-201
Oct 21, 20269,247+6,010
Oct 16, 20263,237+2,847
Oct 15, 2026390+43
Oct 14, 20263470
Oct 13, 2026347+4
Oct 09, 2026343No prior observation