OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

U $40.00 Call

U271217C00040000

Latest saved OI7,196Oct 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 $40.00 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. 7,1973,5980 2026-10-02: 7,196 OI2026-10-05: 7,196 OI2026-10-06: 7,197 OI2026-10-07: 7,197 OI2026-10-08: 7,197 OI2026-10-09: 7,196 OI2026-10-14: 7,196 OI2026-10-15: 7,196 OI2026-10-16: 7,196 OI2026-10-21: 7,196 OI2026-10-23: 7,196 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, 20267,1960
Oct 21, 2026Viewing7,1960
Oct 16, 20267,1960
Oct 15, 20267,1960
Oct 14, 20267,1960
Oct 09, 20267,196-1
Oct 08, 20267,1970
Oct 07, 20267,1970
Oct 06, 20267,197+1
Oct 05, 20267,1960
Oct 02, 20267,196No prior observation