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Contract OI history

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Dec 15, 2028 EXPIRATION

B $70.00 Call

B281215C00070000

Latest saved OI314Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $70.00 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. 3161580 2026-10-02: 316 OI2026-10-05: 312 OI2026-10-06: 312 OI2026-10-07: 311 OI2026-10-08: 311 OI2026-10-09: 311 OI2026-10-13: 314 OI2026-10-14: 314 OI2026-10-15: 314 OI2026-10-16: 304 OI2026-10-21: 311 OI2026-10-23: 314 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, 2026Viewing314+3
Oct 21, 2026311+7
Oct 16, 2026304-10
Oct 15, 20263140
Oct 14, 20263140
Oct 13, 2026314+3
Oct 09, 20263110
Oct 08, 20263110
Oct 07, 2026311-1
Oct 06, 20263120
Oct 05, 2026312-4
Oct 02, 2026316No prior observation