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Contract OI history

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Sep 17, 2027 EXPIRATION

BSX $45.00 Call

BSX270917C00045000

Latest saved OI163Oct 23, 2026
Last change+2vs 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. 171850 2026-10-02: 70 OI2026-10-05: 70 OI2026-10-06: 77 OI2026-10-07: 91 OI2026-10-08: 91 OI2026-10-09: 165 OI2026-10-13: 164 OI2026-10-14: 164 OI2026-10-15: 171 OI2026-10-16: 168 OI2026-10-21: 161 OI2026-10-23: 163 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, 2026Viewing163+2
Oct 21, 2026161-7
Oct 16, 2026168-3
Oct 15, 2026171+7
Oct 14, 20261640
Oct 13, 2026164-1
Oct 09, 2026165+74
Oct 08, 2026910
Oct 07, 202691+14
Oct 06, 202677+7
Oct 05, 2026700
Oct 02, 202670No prior observation