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Contract OI history

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Jan 21, 2028 EXPIRATION

B $55.00 Call

B280121C00055000

Latest saved OI8,164Oct 23, 2026
Last change-104vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $55.00 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. 8,2704,1350 2026-10-02: 8,254 OI2026-10-05: 8,256 OI2026-10-06: 8,256 OI2026-10-07: 8,256 OI2026-10-08: 8,258 OI2026-10-09: 8,256 OI2026-10-13: 8,257 OI2026-10-14: 8,257 OI2026-10-15: 8,257 OI2026-10-16: 8,270 OI2026-10-21: 8,268 OI2026-10-23: 8,164 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, 2026Viewing8,164-104
Oct 21, 20268,268-2
Oct 16, 20268,270+13
Oct 15, 20268,2570
Oct 14, 20268,2570
Oct 13, 20268,257+1
Oct 09, 20268,256-2
Oct 08, 20268,258+2
Oct 07, 20268,2560
Oct 06, 20268,2560
Oct 05, 20268,256+2
Oct 02, 20268,254No prior observation