OITracker Cboe delayed data

Contract OI history

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Dec 15, 2028 EXPIRATION

B $45.00 Call

B281215C00045000

Latest saved OI302Oct 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 $45.00 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. 3041520 2026-10-02: 287 OI2026-10-05: 287 OI2026-10-06: 287 OI2026-10-07: 290 OI2026-10-08: 303 OI2026-10-09: 304 OI2026-10-13: 303 OI2026-10-14: 303 OI2026-10-15: 302 OI2026-10-16: 302 OI2026-10-21: 302 OI2026-10-23: 302 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, 2026Viewing3020
Oct 21, 20263020
Oct 16, 20263020
Oct 15, 2026302-1
Oct 14, 20263030
Oct 13, 2026303-1
Oct 09, 2026304+1
Oct 08, 2026303+13
Oct 07, 2026290+3
Oct 06, 20262870
Oct 05, 20262870
Oct 02, 2026287No prior observation