OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BXSL $25.00 Put

BXSL270115P00025000

Latest saved OI507Oct 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. 5092540 2026-10-02: 481 OI2026-10-05: 481 OI2026-10-06: 491 OI2026-10-07: 501 OI2026-10-08: 501 OI2026-10-13: 501 OI2026-10-14: 509 OI2026-10-16: 507 OI2026-10-20: 507 OI2026-10-23: 507 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, 2026Viewing5070
Oct 20, 20265070
Oct 16, 2026507-2
Oct 14, 2026509+8
Oct 13, 20265010
Oct 08, 20265010
Oct 07, 2026501+10
Oct 06, 2026491+10
Oct 05, 20264810
Oct 02, 2026481No prior observation