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Contract OI history

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Mar 19, 2027 EXPIRATION

USAR $11.00 Put

USAR270319P00011000

Latest saved OI1,380Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $11.00 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. 1,3806900 2026-10-09: 612 OI2026-10-13: 1,295 OI2026-10-14: 1,295 OI2026-10-15: 1,363 OI2026-10-16: 1,367 OI2026-10-21: 1,372 OI2026-10-23: 1,380 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, 2026Viewing1,380+8
Oct 21, 20261,372+5
Oct 16, 20261,367+4
Oct 15, 20261,363+68
Oct 14, 20261,2950
Oct 13, 20261,295+683
Oct 09, 2026612No prior observation