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Contract OI history

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Mar 19, 2027 EXPIRATION

BSX $45.00 Call

BSX270319C00045000

Latest saved OI1,508Oct 23, 2026
Last change+65vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $45.00 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. 1,5087540 2026-10-02: 766 OI2026-10-05: 772 OI2026-10-06: 820 OI2026-10-07: 835 OI2026-10-08: 835 OI2026-10-09: 1,162 OI2026-10-13: 1,413 OI2026-10-14: 1,413 OI2026-10-15: 1,434 OI2026-10-16: 1,453 OI2026-10-21: 1,443 OI2026-10-23: 1,508 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, 2026Viewing1,508+65
Oct 21, 20261,443-10
Oct 16, 20261,453+19
Oct 15, 20261,434+21
Oct 14, 20261,4130
Oct 13, 20261,413+251
Oct 09, 20261,162+327
Oct 08, 20268350
Oct 07, 2026835+15
Oct 06, 2026820+48
Oct 05, 2026772+6
Oct 02, 2026766No prior observation