OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BX $120.00 Put

BX270115P00120000

Latest saved OI4,500Oct 23, 2026
Last change-104vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $120.00 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. 4,6252,3120 2026-10-02: 4,529 OI2026-10-05: 4,530 OI2026-10-06: 4,625 OI2026-10-07: 4,619 OI2026-10-08: 4,572 OI2026-10-09: 4,558 OI2026-10-13: 4,540 OI2026-10-14: 4,539 OI2026-10-15: 4,546 OI2026-10-16: 4,624 OI2026-10-21: 4,604 OI2026-10-23: 4,500 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, 2026Viewing4,500-104
Oct 21, 20264,604-20
Oct 16, 20264,624+78
Oct 15, 20264,546+7
Oct 14, 20264,539-1
Oct 13, 20264,540-18
Oct 09, 20264,558-14
Oct 08, 20264,572-47
Oct 07, 20264,619-6
Oct 06, 20264,625+95
Oct 05, 20264,530+1
Oct 02, 20264,529No prior observation