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Contract OI history

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Feb 19, 2027 EXPIRATION

BSX $45.00 Call

BSX270219C00045000

Latest saved OI220Oct 23, 2026
Last change+16vs 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. 2201100 2026-10-02: 162 OI2026-10-05: 163 OI2026-10-06: 166 OI2026-10-07: 168 OI2026-10-08: 168 OI2026-10-09: 198 OI2026-10-13: 206 OI2026-10-14: 206 OI2026-10-15: 205 OI2026-10-16: 204 OI2026-10-21: 204 OI2026-10-23: 220 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, 2026Viewing220+16
Oct 21, 20262040
Oct 16, 2026204-1
Oct 15, 2026205-1
Oct 14, 20262060
Oct 13, 2026206+8
Oct 09, 2026198+30
Oct 08, 20261680
Oct 07, 2026168+2
Oct 06, 2026166+3
Oct 05, 2026163+1
Oct 02, 2026162No prior observation