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Contract OI history

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Mar 19, 2027 EXPIRATION

USAR $23.00 Put

USAR270319P00023000

Latest saved OI135Oct 23, 2026
Last change-24vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $23.00 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. 159790 2026-10-09: 158 OI2026-10-13: 149 OI2026-10-14: 149 OI2026-10-15: 149 OI2026-10-16: 159 OI2026-10-21: 159 OI2026-10-23: 135 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, 2026Viewing135-24
Oct 21, 20261590
Oct 16, 2026159+10
Oct 15, 20261490
Oct 14, 20261490
Oct 13, 2026149-9
Oct 09, 2026158No prior observation