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Contract OI history

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Oct 30, 2026 EXPIRATION

BSX $45.50 Call

BSX261030C00045500

Latest saved OI171Oct 23, 2026
Last change+74vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $45.50 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. 171850 2026-10-09: 0 OI2026-10-13: 6 OI2026-10-14: 6 OI2026-10-15: 6 OI2026-10-16: 6 OI2026-10-21: 97 OI2026-10-23: 171 OI Oct 09, 2026Oct 23, 2026

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

BSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing171+74
Oct 21, 202697+91
Oct 16, 202660
Oct 15, 202660
Oct 14, 202660
Oct 13, 20266+6
Oct 09, 20260No prior observation