OITracker Cboe delayed data

Contract OI history

Back to U

May 21, 2027 EXPIRATION

U $36.00 Call

U270521C00036000

Latest saved OI12Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $36.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1260 2026-10-02: 9 OI2026-10-05: 9 OI2026-10-06: 10 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 10 OI2026-10-14: 10 OI2026-10-15: 10 OI2026-10-16: 10 OI2026-10-21: 11 OI2026-10-23: 12 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing12+1
Oct 21, 202611+1
Oct 16, 2026100
Oct 15, 2026100
Oct 14, 2026100
Oct 09, 2026100
Oct 08, 2026100
Oct 07, 2026100
Oct 06, 202610+1
Oct 05, 202690
Oct 02, 20269No prior observation