OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

CPB $30.00 Call

CPB270917C00030000

Latest saved OI110Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CPB $30.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 110550 2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 104 OI2026-10-15: 105 OI2026-10-16: 105 OI2026-10-21: 105 OI2026-10-23: 110 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CPB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing110+5
Oct 21, 20261050
Oct 16, 20261050
Oct 15, 2026105+1
Oct 14, 2026104+1
Oct 13, 20261030
Oct 09, 2026103No prior observation