OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

USAR $40.00 Call

USAR280121C00040000

Latest saved OI1,491Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $40.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,4947470 2026-10-09: 1,413 OI2026-10-13: 1,432 OI2026-10-14: 1,432 OI2026-10-15: 1,487 OI2026-10-16: 1,491 OI2026-10-21: 1,494 OI2026-10-23: 1,491 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, 2026Viewing1,491-3
Oct 21, 20261,494+3
Oct 16, 20261,491+4
Oct 15, 20261,487+55
Oct 14, 20261,4320
Oct 13, 20261,432+19
Oct 09, 20261,413No prior observation