OITracker Cboe delayed data

Contract OI history

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Oct 30, 2026 EXPIRATION

U $55.00 Call

U261030C00055000

Latest saved OI109Oct 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 $55.00 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. 110550 2026-10-02: 57 OI2026-10-05: 65 OI2026-10-06: 108 OI2026-10-07: 108 OI2026-10-08: 108 OI2026-10-09: 108 OI2026-10-14: 109 OI2026-10-15: 109 OI2026-10-16: 109 OI2026-10-21: 110 OI2026-10-23: 109 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, 2026Viewing109-1
Oct 21, 2026110+1
Oct 16, 20261090
Oct 15, 20261090
Oct 14, 2026109+1
Oct 09, 20261080
Oct 08, 20261080
Oct 07, 20261080
Oct 06, 2026108+43
Oct 05, 202665+8
Oct 02, 202657No prior observation