OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

B $80.00 Call

B280121C00080000

Latest saved OI4,260Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $80.00 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. 4,2632,1310 2026-10-02: 3,424 OI2026-10-05: 3,411 OI2026-10-06: 3,411 OI2026-10-07: 3,948 OI2026-10-08: 3,958 OI2026-10-09: 4,157 OI2026-10-13: 4,162 OI2026-10-14: 4,162 OI2026-10-15: 4,262 OI2026-10-16: 4,263 OI2026-10-21: 4,263 OI2026-10-23: 4,260 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, 2026Viewing4,260-3
Oct 21, 20264,2630
Oct 16, 20264,263+1
Oct 15, 20264,262+100
Oct 14, 20264,1620
Oct 13, 20264,162+5
Oct 09, 20264,157+199
Oct 08, 20263,958+10
Oct 07, 20263,948+537
Oct 06, 20263,4110
Oct 05, 20263,411-13
Oct 02, 20263,424No prior observation