OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

U $50.00 Call

U280121C00050000

Latest saved OI1,994Oct 23, 2026
Last change-153vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
U $50.00 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. 2,1491,0740 2026-10-02: 2,137 OI2026-10-05: 2,138 OI2026-10-06: 2,139 OI2026-10-07: 2,139 OI2026-10-08: 2,139 OI2026-10-09: 2,140 OI2026-10-14: 2,140 OI2026-10-15: 2,147 OI2026-10-16: 2,149 OI2026-10-21: 2,147 OI2026-10-23: 1,994 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, 20261,994-153
Oct 21, 2026Viewing2,147-2
Oct 16, 20262,149+2
Oct 15, 20262,147+7
Oct 14, 20262,1400
Oct 09, 20262,140+1
Oct 08, 20262,1390
Oct 07, 20262,1390
Oct 06, 20262,139+1
Oct 05, 20262,138+1
Oct 02, 20262,137No prior observation