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Contract OI history

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Jan 15, 2027 EXPIRATION

BXP $47.50 Put

BXP270115P00047500

Latest saved OI145Oct 23, 2026
Last change+6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BXP $47.50 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. 145720 2026-10-02: 91 OI2026-10-05: 91 OI2026-10-06: 95 OI2026-10-07: 122 OI2026-10-08: 122 OI2026-10-09: 122 OI2026-10-13: 122 OI2026-10-14: 122 OI2026-10-15: 122 OI2026-10-16: 139 OI2026-10-21: 139 OI2026-10-23: 145 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BXP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing145+6
Oct 21, 20261390
Oct 16, 2026139+17
Oct 15, 20261220
Oct 14, 20261220
Oct 13, 20261220
Oct 09, 20261220
Oct 08, 20261220
Oct 07, 2026122+27
Oct 06, 202695+4
Oct 05, 2026910
Oct 02, 202691No prior observation