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Contract OI history

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Jan 19, 2029 EXPIRATION

B $42.00 Call

B290119C00042000

Latest saved OI19Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $42.00 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. 20100 2026-10-02: 17 OI2026-10-05: 17 OI2026-10-06: 17 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 18 OI2026-10-13: 19 OI2026-10-14: 19 OI2026-10-15: 19 OI2026-10-16: 19 OI2026-10-21: 20 OI2026-10-23: 19 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, 2026Viewing19-1
Oct 21, 202620+1
Oct 16, 2026190
Oct 15, 2026190
Oct 14, 2026190
Oct 13, 202619+1
Oct 09, 2026180
Oct 08, 2026180
Oct 07, 202618+1
Oct 06, 2026170
Oct 05, 2026170
Oct 02, 202617No prior observation