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Contract OI history

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Nov 20, 2026 EXPIRATION

B $42.00 Call

B261120C00042000

Latest saved OI1,162Oct 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. 1,1625810 2026-10-02: 722 OI2026-10-05: 727 OI2026-10-06: 727 OI2026-10-07: 728 OI2026-10-08: 739 OI2026-10-09: 749 OI2026-10-13: 812 OI2026-10-14: 791 OI2026-10-15: 959 OI2026-10-16: 1,015 OI2026-10-21: 1,161 OI2026-10-23: 1,162 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, 2026Viewing1,162+1
Oct 21, 20261,161+146
Oct 16, 20261,015+56
Oct 15, 2026959+168
Oct 14, 2026791-21
Oct 13, 2026812+63
Oct 09, 2026749+10
Oct 08, 2026739+11
Oct 07, 2026728+1
Oct 06, 20267270
Oct 05, 2026727+5
Oct 02, 2026722No prior observation