OITracker Cboe delayed data

Contract OI history

Back to BXP

Nov 20, 2026 EXPIRATION

BXP $50.00 Put

BXP261120P00050000

Latest saved OI60Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BXP $50.00 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. 60300 2026-10-02: 5 OI2026-10-05: 5 OI2026-10-06: 5 OI2026-10-07: 5 OI2026-10-08: 5 OI2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-15: 9 OI2026-10-16: 9 OI2026-10-21: 60 OI2026-10-23: 60 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, 2026Viewing600
Oct 21, 202660+51
Oct 16, 202690
Oct 15, 20269+2
Oct 14, 202670
Oct 13, 202670
Oct 09, 20267+2
Oct 08, 202650
Oct 07, 202650
Oct 06, 202650
Oct 05, 202650
Oct 02, 20265No prior observation