OITracker Cboe delayed data

Contract OI history

Back to USAR

Dec 18, 2026 EXPIRATION

USAR $22.00 Put

USAR261218P00022000

Latest saved OI475Oct 23, 2026
Last change-256vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $22.00 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. 7313650 2026-10-09: 731 OI2026-10-13: 731 OI2026-10-14: 731 OI2026-10-15: 731 OI2026-10-16: 731 OI2026-10-21: 731 OI2026-10-23: 475 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, 2026Viewing475-256
Oct 21, 20267310
Oct 16, 20267310
Oct 15, 20267310
Oct 14, 20267310
Oct 13, 20267310
Oct 09, 2026731No prior observation