OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BX $80.00 Put

BX270115P00080000

Latest saved OI876Oct 23, 2026
Last change+34vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $80.00 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. 8764380 2026-10-02: 771 OI2026-10-05: 771 OI2026-10-06: 771 OI2026-10-07: 771 OI2026-10-08: 771 OI2026-10-09: 771 OI2026-10-13: 772 OI2026-10-14: 772 OI2026-10-15: 773 OI2026-10-16: 817 OI2026-10-21: 842 OI2026-10-23: 876 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, 2026Viewing876+34
Oct 21, 2026842+25
Oct 16, 2026817+44
Oct 15, 2026773+1
Oct 14, 20267720
Oct 13, 2026772+1
Oct 09, 20267710
Oct 08, 20267710
Oct 07, 20267710
Oct 06, 20267710
Oct 05, 20267710
Oct 02, 2026771No prior observation