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Contract OI history

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Dec 18, 2026 EXPIRATION

B $50.00 Call

B261218C00050000

Latest saved OI15,791Oct 23, 2026
Last change+176vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $50.00 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. 16,6928,3460 2026-10-02: 16,692 OI2026-10-05: 15,630 OI2026-10-06: 15,630 OI2026-10-07: 15,630 OI2026-10-08: 15,542 OI2026-10-09: 15,497 OI2026-10-13: 15,525 OI2026-10-14: 15,526 OI2026-10-15: 15,514 OI2026-10-16: 15,511 OI2026-10-21: 15,615 OI2026-10-23: 15,791 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, 2026Viewing15,791+176
Oct 21, 202615,615+104
Oct 16, 202615,511-3
Oct 15, 202615,514-12
Oct 14, 202615,526+1
Oct 13, 202615,525+28
Oct 09, 202615,497-45
Oct 08, 202615,542-88
Oct 07, 202615,6300
Oct 06, 202615,6300
Oct 05, 202615,630-1,062
Oct 02, 202616,692No prior observation