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Contract OI history

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Nov 20, 2026 EXPIRATION

BXP $65.00 Put

BXP261120P00065000

Latest saved OI399Oct 23, 2026
Last change-961vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BXP $65.00 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. 2,3231,1610 2026-10-02: 2,323 OI2026-10-05: 2,323 OI2026-10-06: 2,322 OI2026-10-07: 2,322 OI2026-10-08: 2,323 OI2026-10-09: 2,323 OI2026-10-13: 2,323 OI2026-10-14: 2,323 OI2026-10-15: 2,323 OI2026-10-16: 2,323 OI2026-10-21: 1,360 OI2026-10-23: 399 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, 2026Viewing399-961
Oct 21, 20261,360-963
Oct 16, 20262,3230
Oct 15, 20262,3230
Oct 14, 20262,3230
Oct 13, 20262,3230
Oct 09, 20262,3230
Oct 08, 20262,323+1
Oct 07, 20262,3220
Oct 06, 20262,322-1
Oct 05, 20262,3230
Oct 02, 20262,323No prior observation