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Contract OI history

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Nov 20, 2026 EXPIRATION

B $55.00 Call

B261120C00055000

Latest saved OI234Oct 23, 2026
Last change-8vs 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. 3141570 2026-10-02: 314 OI2026-10-05: 314 OI2026-10-06: 314 OI2026-10-07: 314 OI2026-10-08: 314 OI2026-10-09: 314 OI2026-10-13: 313 OI2026-10-14: 313 OI2026-10-15: 310 OI2026-10-16: 305 OI2026-10-21: 242 OI2026-10-23: 234 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, 2026Viewing234-8
Oct 21, 2026242-63
Oct 16, 2026305-5
Oct 15, 2026310-3
Oct 14, 20263130
Oct 13, 2026313-1
Oct 09, 20263140
Oct 08, 20263140
Oct 07, 20263140
Oct 06, 20263140
Oct 05, 20263140
Oct 02, 2026314No prior observation