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Contract OI history

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May 21, 2027 EXPIRATION

BSY $50.00 Put

BSY270521P00050000

Latest saved OI0Oct 23, 2026
Last change—vs previous saved observation
Saved market days1Oct 23, 2026 onwards
Daily open interest Hover a point for its date and OI
BSY $50.00 put open interest history 1 saved observations from 2026-10-23 to 2026-10-23. Exact values and changes are listed in the table below. 10 2026-10-23: 0 OI Oct 23, 2026

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

BSY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing0No prior observation