OITracker Cboe delayed data

Contract OI history

Back to BX

Dec 18, 2026 EXPIRATION

BX $110.00 Put

BX261218P00110000

Latest saved OI1,548Oct 23, 2026
Last change+97vs 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. 1,5487740 2026-10-02: 1,324 OI2026-10-05: 1,325 OI2026-10-06: 1,331 OI2026-10-07: 1,342 OI2026-10-08: 1,372 OI2026-10-09: 1,382 OI2026-10-13: 1,398 OI2026-10-14: 1,407 OI2026-10-15: 1,438 OI2026-10-16: 1,432 OI2026-10-21: 1,451 OI2026-10-23: 1,548 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, 2026Viewing1,548+97
Oct 21, 20261,451+19
Oct 16, 20261,432-6
Oct 15, 20261,438+31
Oct 14, 20261,407+9
Oct 13, 20261,398+16
Oct 09, 20261,382+10
Oct 08, 20261,372+30
Oct 07, 20261,342+11
Oct 06, 20261,331+6
Oct 05, 20261,325+1
Oct 02, 20261,324No prior observation