OITracker Cboe delayed data

Contract OI history

Back to USAR

Jan 21, 2028 EXPIRATION

USAR $27.00 Put

USAR280121P00027000

Latest saved OI1,317Oct 23, 2026
Last change-668vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $27.00 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. 1,9929960 2026-10-09: 1,992 OI2026-10-13: 1,987 OI2026-10-14: 1,987 OI2026-10-15: 1,985 OI2026-10-16: 1,985 OI2026-10-21: 1,985 OI2026-10-23: 1,317 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, 2026Viewing1,317-668
Oct 21, 20261,9850
Oct 16, 20261,9850
Oct 15, 20261,985-2
Oct 14, 20261,9870
Oct 13, 20261,987-5
Oct 09, 20261,992No prior observation