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Contract OI history

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Mar 19, 2027 EXPIRATION

B $55.00 Call

B270319C00055000

Latest saved OI1,191Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $55.00 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. 1,1915950 2026-10-02: 1,189 OI2026-10-05: 1,175 OI2026-10-06: 1,175 OI2026-10-07: 1,175 OI2026-10-08: 1,175 OI2026-10-09: 1,175 OI2026-10-13: 1,175 OI2026-10-14: 1,186 OI2026-10-15: 1,188 OI2026-10-16: 1,188 OI2026-10-21: 1,189 OI2026-10-23: 1,191 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, 2026Viewing1,191+2
Oct 21, 20261,189+1
Oct 16, 20261,1880
Oct 15, 20261,188+2
Oct 14, 20261,186+11
Oct 13, 20261,1750
Oct 09, 20261,1750
Oct 08, 20261,1750
Oct 07, 20261,1750
Oct 06, 20261,1750
Oct 05, 20261,175-14
Oct 02, 20261,189No prior observation