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Contract OI history

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Jan 21, 2028 EXPIRATION

B $65.00 Call

B280121C00065000

Latest saved OI1,006Oct 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 $65.00 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. 1,0065030 2026-10-02: 996 OI2026-10-05: 998 OI2026-10-06: 998 OI2026-10-07: 998 OI2026-10-08: 998 OI2026-10-09: 997 OI2026-10-13: 997 OI2026-10-14: 997 OI2026-10-15: 997 OI2026-10-16: 1,004 OI2026-10-21: 1,005 OI2026-10-23: 1,006 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, 2026Viewing1,006+1
Oct 21, 20261,005+1
Oct 16, 20261,004+7
Oct 15, 20269970
Oct 14, 20269970
Oct 13, 20269970
Oct 09, 2026997-1
Oct 08, 20269980
Oct 07, 20269980
Oct 06, 20269980
Oct 05, 2026998+2
Oct 02, 2026996No prior observation