OITracker Cboe delayed data

Contract OI history

Back to USAR

Dec 18, 2026 EXPIRATION

USAR $10.00 Put

USAR261218P00010000

Latest saved OI2,421Oct 23, 2026
Last change+232vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $10.00 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. 2,4611,2300 2026-10-09: 1,443 OI2026-10-13: 2,143 OI2026-10-14: 2,143 OI2026-10-15: 2,461 OI2026-10-16: 2,023 OI2026-10-21: 2,189 OI2026-10-23: 2,421 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, 2026Viewing2,421+232
Oct 21, 20262,189+166
Oct 16, 20262,023-438
Oct 15, 20262,461+318
Oct 14, 20262,1430
Oct 13, 20262,143+700
Oct 09, 20261,443No prior observation