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Contract OI history

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Mar 19, 2027 EXPIRATION

USAR $20.00 Put

USAR270319P00020000

Latest saved OI4,139Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $20.00 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. 4,1652,0820 2026-10-09: 4,164 OI2026-10-13: 4,165 OI2026-10-14: 4,165 OI2026-10-15: 4,165 OI2026-10-16: 4,158 OI2026-10-21: 4,139 OI2026-10-23: 4,139 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, 2026Viewing4,1390
Oct 21, 20264,139-19
Oct 16, 20264,158-7
Oct 15, 20264,1650
Oct 14, 20264,1650
Oct 13, 20264,165+1
Oct 09, 20264,164No prior observation