OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

BX $110.00 Put

BX270319P00110000

Latest saved OI3,493Oct 23, 2026
Last change+114vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $110.00 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. 3,4931,7460 2026-10-02: 3,188 OI2026-10-05: 3,187 OI2026-10-06: 3,189 OI2026-10-07: 3,214 OI2026-10-08: 3,218 OI2026-10-09: 3,231 OI2026-10-13: 3,252 OI2026-10-14: 3,261 OI2026-10-15: 3,260 OI2026-10-16: 3,326 OI2026-10-21: 3,379 OI2026-10-23: 3,493 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, 2026Viewing3,493+114
Oct 21, 20263,379+53
Oct 16, 20263,326+66
Oct 15, 20263,260-1
Oct 14, 20263,261+9
Oct 13, 20263,252+21
Oct 09, 20263,231+13
Oct 08, 20263,218+4
Oct 07, 20263,214+25
Oct 06, 20263,189+2
Oct 05, 20263,187-1
Oct 02, 20263,188No prior observation