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Contract OI history

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Jan 15, 2027 EXPIRATION

B $37.00 Put

B270115P00037000

Latest saved OI15,694Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
B $37.00 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. 15,6947,8470 2026-10-02: 15,662 OI2026-10-05: 15,671 OI2026-10-06: 15,671 OI2026-10-07: 15,672 OI2026-10-08: 15,673 OI2026-10-09: 15,673 OI2026-10-13: 15,673 OI2026-10-14: 15,678 OI2026-10-15: 15,677 OI2026-10-16: 15,689 OI2026-10-21: 15,691 OI2026-10-23: 15,694 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, 2026Viewing15,694+3
Oct 21, 202615,691+2
Oct 16, 202615,689+12
Oct 15, 202615,677-1
Oct 14, 202615,678+5
Oct 13, 202615,6730
Oct 09, 202615,6730
Oct 08, 202615,673+1
Oct 07, 202615,672+1
Oct 06, 202615,6710
Oct 05, 202615,671+9
Oct 02, 202615,662No prior observation