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Contract OI history

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Jan 15, 2027 EXPIRATION

BXSL $27.50 Put

BXSL270115P00027500

Latest saved OI94Oct 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 $27.50 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. 94470 2026-10-02: 69 OI2026-10-05: 69 OI2026-10-06: 69 OI2026-10-07: 69 OI2026-10-08: 70 OI2026-10-13: 70 OI2026-10-14: 70 OI2026-10-16: 70 OI2026-10-20: 94 OI2026-10-23: 94 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, 2026Viewing940
Oct 20, 202694+24
Oct 16, 2026700
Oct 14, 2026700
Oct 13, 2026700
Oct 08, 202670+1
Oct 07, 2026690
Oct 06, 2026690
Oct 05, 2026690
Oct 02, 202669No prior observation