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Contract OI history

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Jan 15, 2027 EXPIRATION

BSY $40.00 Call

BSY270115C00040000

Latest saved OI2,988Oct 23, 2026
Last change+474vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BSY $40.00 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. 2,9881,4940 2026-10-09: 2,480 OI2026-10-13: 2,480 OI2026-10-14: 2,481 OI2026-10-15: 2,481 OI2026-10-16: 2,467 OI2026-10-21: 2,514 OI2026-10-23: 2,988 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, 2026Viewing2,988+474
Oct 21, 20262,514+47
Oct 16, 20262,467-14
Oct 15, 20262,4810
Oct 14, 20262,481+1
Oct 13, 20262,4800
Oct 09, 20262,480No prior observation