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Contract OI history

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Dec 18, 2026 EXPIRATION

B $55.00 Call

B261218C00055000

Latest saved OI3,072Oct 23, 2026
Last change-4vs 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. 3,0761,5380 2026-10-02: 2,989 OI2026-10-05: 2,935 OI2026-10-06: 2,935 OI2026-10-07: 2,934 OI2026-10-08: 2,923 OI2026-10-09: 2,873 OI2026-10-13: 2,871 OI2026-10-14: 2,862 OI2026-10-15: 2,852 OI2026-10-16: 2,847 OI2026-10-21: 3,076 OI2026-10-23: 3,072 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, 2026Viewing3,072-4
Oct 21, 20263,076+229
Oct 16, 20262,847-5
Oct 15, 20262,852-10
Oct 14, 20262,862-9
Oct 13, 20262,871-2
Oct 09, 20262,873-50
Oct 08, 20262,923-11
Oct 07, 20262,934-1
Oct 06, 20262,9350
Oct 05, 20262,935-54
Oct 02, 20262,989No prior observation