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Contract OI history

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Dec 18, 2026 EXPIRATION

B $34.00 Call

B261218C00034000

Latest saved OI64Oct 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 $34.00 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. 68340 2026-10-02: 57 OI2026-10-05: 57 OI2026-10-06: 57 OI2026-10-07: 57 OI2026-10-08: 57 OI2026-10-09: 57 OI2026-10-13: 57 OI2026-10-14: 57 OI2026-10-15: 66 OI2026-10-16: 68 OI2026-10-21: 63 OI2026-10-23: 64 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, 2026Viewing64+1
Oct 21, 202663-5
Oct 16, 202668+2
Oct 15, 202666+9
Oct 14, 2026570
Oct 13, 2026570
Oct 09, 2026570
Oct 08, 2026570
Oct 07, 2026570
Oct 06, 2026570
Oct 05, 2026570
Oct 02, 202657No prior observation