OITracker Cboe delayed data

Contract OI history

Back to BXSL

Nov 20, 2026 EXPIRATION

BXSL $25.00 Put

BXSL261120P00025000

Latest saved OI1,278Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BXSL $25.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,2786390 2026-10-02: 1,057 OI2026-10-05: 1,057 OI2026-10-06: 1,047 OI2026-10-07: 1,046 OI2026-10-08: 1,049 OI2026-10-13: 1,049 OI2026-10-14: 1,067 OI2026-10-16: 1,070 OI2026-10-20: 1,278 OI2026-10-23: 1,278 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BXSL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,2780
Oct 20, 20261,278+208
Oct 16, 20261,070+3
Oct 14, 20261,067+18
Oct 13, 20261,0490
Oct 08, 20261,049+3
Oct 07, 20261,046-1
Oct 06, 20261,047-10
Oct 05, 20261,0570
Oct 02, 20261,057No prior observation