OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

B $50.00 Call

B290119C00050000

Latest saved OI90Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $50.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 123610 2026-10-02: 122 OI2026-10-05: 122 OI2026-10-06: 122 OI2026-10-07: 123 OI2026-10-08: 122 OI2026-10-09: 122 OI2026-10-13: 77 OI2026-10-14: 78 OI2026-10-15: 90 OI2026-10-16: 90 OI2026-10-21: 90 OI2026-10-23: 90 OI Oct 02, 2026Oct 23, 2026

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

B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing900
Oct 21, 2026900
Oct 16, 2026900
Oct 15, 202690+12
Oct 14, 202678+1
Oct 13, 202677-45
Oct 09, 20261220
Oct 08, 2026122-1
Oct 07, 2026123+1
Oct 06, 20261220
Oct 05, 20261220
Oct 02, 2026122No prior observation