OITracker Cboe delayed data

Contract OI history

Back to USAR

Jan 21, 2028 EXPIRATION

USAR $20.00 Put

USAR280121P00020000

Latest saved OI2,065Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $20.00 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. 2,1031,0510 2026-10-09: 1,433 OI2026-10-13: 2,100 OI2026-10-14: 2,100 OI2026-10-15: 2,103 OI2026-10-16: 2,093 OI2026-10-21: 2,065 OI2026-10-23: 2,065 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, 2026Viewing2,0650
Oct 21, 20262,065-28
Oct 16, 20262,093-10
Oct 15, 20262,103+3
Oct 14, 20262,1000
Oct 13, 20262,100+667
Oct 09, 20261,433No prior observation