OITracker Cboe delayed data

Contract OI history

Back to BX

Mar 19, 2027 EXPIRATION

BX $115.00 Put

BX270319P00115000

Latest saved OI2,850Oct 23, 2026
Last change+52vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BX $115.00 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. 2,8501,4250 2026-10-02: 2,602 OI2026-10-05: 2,698 OI2026-10-06: 2,701 OI2026-10-07: 2,709 OI2026-10-08: 2,755 OI2026-10-09: 2,755 OI2026-10-13: 2,828 OI2026-10-14: 2,829 OI2026-10-15: 2,829 OI2026-10-16: 2,830 OI2026-10-21: 2,798 OI2026-10-23: 2,850 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, 2026Viewing2,850+52
Oct 21, 20262,798-32
Oct 16, 20262,830+1
Oct 15, 20262,8290
Oct 14, 20262,829+1
Oct 13, 20262,828+73
Oct 09, 20262,7550
Oct 08, 20262,755+46
Oct 07, 20262,709+8
Oct 06, 20262,701+3
Oct 05, 20262,698+96
Oct 02, 20262,602No prior observation