OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

B $45.00 Call

B270115C00045000

Latest saved OI7,391Oct 23, 2026
Last change-1,121vs 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. 8,8394,4190 2026-10-02: 8,839 OI2026-10-05: 8,803 OI2026-10-06: 8,803 OI2026-10-07: 8,806 OI2026-10-08: 8,802 OI2026-10-09: 8,801 OI2026-10-13: 8,814 OI2026-10-14: 8,412 OI2026-10-15: 8,413 OI2026-10-16: 8,476 OI2026-10-21: 8,512 OI2026-10-23: 7,391 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, 2026Viewing7,391-1,121
Oct 21, 20268,512+36
Oct 16, 20268,476+63
Oct 15, 20268,413+1
Oct 14, 20268,412-402
Oct 13, 20268,814+13
Oct 09, 20268,801-1
Oct 08, 20268,802-4
Oct 07, 20268,806+3
Oct 06, 20268,8030
Oct 05, 20268,803-36
Oct 02, 20268,839No prior observation