OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

USAR $15.00 Put

USAR280121P00015000

Latest saved OI6,425Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
USAR $15.00 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. 6,4363,2180 2026-10-09: 6,259 OI2026-10-13: 6,340 OI2026-10-14: 6,340 OI2026-10-15: 6,366 OI2026-10-16: 6,366 OI2026-10-21: 6,436 OI2026-10-23: 6,425 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, 2026Viewing6,425-11
Oct 21, 20266,436+70
Oct 16, 20266,3660
Oct 15, 20266,366+26
Oct 14, 20266,3400
Oct 13, 20266,340+81
Oct 09, 20266,259No prior observation