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Contract OI history

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Jan 15, 2027 EXPIRATION

BSX $47.50 Call

BSX270115C00047500

Latest saved OI4,018Oct 23, 2026
Last change+84vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $47.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,0182,0090 2026-10-02: 3,606 OI2026-10-05: 3,608 OI2026-10-06: 3,602 OI2026-10-07: 3,624 OI2026-10-08: 3,624 OI2026-10-09: 3,617 OI2026-10-13: 3,619 OI2026-10-14: 3,619 OI2026-10-15: 3,629 OI2026-10-16: 3,630 OI2026-10-21: 3,934 OI2026-10-23: 4,018 OI Oct 02, 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, 2026Viewing4,018+84
Oct 21, 20263,934+304
Oct 16, 20263,630+1
Oct 15, 20263,629+10
Oct 14, 20263,6190
Oct 13, 20263,619+2
Oct 09, 20263,617-7
Oct 08, 20263,6240
Oct 07, 20263,624+22
Oct 06, 20263,602-6
Oct 05, 20263,608+2
Oct 02, 20263,606No prior observation