OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

U $15.00 Call

U270521C00015000

Latest saved OI30Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $15.00 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. 44220 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 44 OI2026-10-07: 44 OI2026-10-08: 44 OI2026-10-09: 44 OI2026-10-14: 44 OI2026-10-15: 44 OI2026-10-16: 44 OI2026-10-21: 30 OI2026-10-23: 30 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, 2026300
Oct 21, 2026Viewing30-14
Oct 16, 2026440
Oct 15, 2026440
Oct 14, 2026440
Oct 09, 2026440
Oct 08, 2026440
Oct 07, 2026440
Oct 06, 2026440
Oct 05, 2026440
Oct 02, 202644No prior observation