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Contract OI history

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Jan 21, 2028 EXPIRATION

BSY $45.00 Call

BSY280121C00045000

Latest saved OI865Oct 23, 2026
Last change+59vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BSY $45.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 8654320 2026-10-09: 518 OI2026-10-13: 662 OI2026-10-14: 662 OI2026-10-15: 662 OI2026-10-16: 662 OI2026-10-21: 806 OI2026-10-23: 865 OI Oct 09, 2026Oct 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, 2026Viewing865+59
Oct 21, 2026806+144
Oct 16, 20266620
Oct 15, 20266620
Oct 14, 20266620
Oct 13, 2026662+144
Oct 09, 2026518No prior observation