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Contract OI history

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Oct 23, 2026 EXPIRATION

B $44.00 Put

B261023P00044000

Latest saved OI1Oct 23, 2026
Last change-36vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $44.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 45220 2026-10-02: 44 OI2026-10-05: 42 OI2026-10-06: 42 OI2026-10-07: 42 OI2026-10-08: 42 OI2026-10-09: 42 OI2026-10-13: 41 OI2026-10-14: 41 OI2026-10-15: 41 OI2026-10-16: 45 OI2026-10-21: 37 OI2026-10-23: 1 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, 2026Viewing1-36
Oct 21, 202637-8
Oct 16, 202645+4
Oct 15, 2026410
Oct 14, 2026410
Oct 13, 202641-1
Oct 09, 2026420
Oct 08, 2026420
Oct 07, 2026420
Oct 06, 2026420
Oct 05, 202642-2
Oct 02, 202644No prior observation