OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

U $40.00 Call

U280121C00040000

Latest saved OI2,206Oct 23, 2026
Last change-4vs 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. 2,2171,1080 2026-10-02: 2,217 OI2026-10-05: 2,217 OI2026-10-06: 2,217 OI2026-10-07: 2,217 OI2026-10-08: 2,217 OI2026-10-09: 2,206 OI2026-10-14: 2,206 OI2026-10-15: 2,209 OI2026-10-16: 2,209 OI2026-10-21: 2,210 OI2026-10-23: 2,206 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, 20262,206-4
Oct 21, 2026Viewing2,210+1
Oct 16, 20262,2090
Oct 15, 20262,209+3
Oct 14, 20262,2060
Oct 09, 20262,206-11
Oct 08, 20262,2170
Oct 07, 20262,2170
Oct 06, 20262,2170
Oct 05, 20262,2170
Oct 02, 20262,217No prior observation