OITracker Cboe delayed data

Contract OI history

Back to USAR

Jan 21, 2028 EXPIRATION

USAR $17.00 Put

USAR280121P00017000

Latest saved OI699Oct 23, 2026
Last change+12vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $17.00 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. 6993490 2026-10-09: 599 OI2026-10-13: 573 OI2026-10-14: 573 OI2026-10-15: 626 OI2026-10-16: 656 OI2026-10-21: 687 OI2026-10-23: 699 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, 2026Viewing699+12
Oct 21, 2026687+31
Oct 16, 2026656+30
Oct 15, 2026626+53
Oct 14, 20265730
Oct 13, 2026573-26
Oct 09, 2026599No prior observation