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Contract OI history

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Dec 18, 2026 EXPIRATION

B $30.00 Call

B261218C00030000

Latest saved OI28,937Oct 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 $30.00 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. 28,96714,4830 2026-10-02: 28,964 OI2026-10-05: 28,964 OI2026-10-06: 28,964 OI2026-10-07: 28,967 OI2026-10-08: 28,967 OI2026-10-09: 28,967 OI2026-10-13: 28,964 OI2026-10-14: 28,964 OI2026-10-15: 28,961 OI2026-10-16: 28,956 OI2026-10-21: 28,938 OI2026-10-23: 28,937 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, 2026Viewing28,937-1
Oct 21, 202628,938-18
Oct 16, 202628,956-5
Oct 15, 202628,961-3
Oct 14, 202628,9640
Oct 13, 202628,964-3
Oct 09, 202628,9670
Oct 08, 202628,9670
Oct 07, 202628,967+3
Oct 06, 202628,9640
Oct 05, 202628,9640
Oct 02, 202628,964No prior observation