OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BXSL $20.00 Put

BXSL270115P00020000

Latest saved OI550Oct 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 $20.00 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. 5902950 2026-10-02: 572 OI2026-10-05: 590 OI2026-10-06: 590 OI2026-10-07: 590 OI2026-10-08: 590 OI2026-10-13: 557 OI2026-10-14: 557 OI2026-10-16: 557 OI2026-10-20: 550 OI2026-10-23: 550 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, 2026Viewing5500
Oct 20, 2026550-7
Oct 16, 20265570
Oct 14, 20265570
Oct 13, 2026557-33
Oct 08, 20265900
Oct 07, 20265900
Oct 06, 20265900
Oct 05, 2026590+18
Oct 02, 2026572No prior observation