OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

BX $130.00 Put

BX261120P00130000

Latest saved OI718Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $130.00 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. 7293640 2026-10-02: 725 OI2026-10-05: 726 OI2026-10-06: 726 OI2026-10-07: 726 OI2026-10-08: 728 OI2026-10-09: 729 OI2026-10-13: 729 OI2026-10-14: 729 OI2026-10-15: 727 OI2026-10-16: 727 OI2026-10-21: 718 OI2026-10-23: 718 OI Oct 02, 2026Oct 23, 2026

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

BX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7180
Oct 21, 2026718-9
Oct 16, 20267270
Oct 15, 2026727-2
Oct 14, 20267290
Oct 13, 20267290
Oct 09, 2026729+1
Oct 08, 2026728+2
Oct 07, 20267260
Oct 06, 20267260
Oct 05, 2026726+1
Oct 02, 2026725No prior observation