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Contract OI history

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Dec 18, 2026 EXPIRATION

BSX $65.00 Call

BSX261218C00065000

Latest saved OI3,388Oct 23, 2026
Last change+94vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $65.00 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. 3,3881,6940 2026-10-02: 3,208 OI2026-10-05: 3,208 OI2026-10-06: 3,213 OI2026-10-07: 3,208 OI2026-10-08: 3,208 OI2026-10-09: 3,201 OI2026-10-13: 3,201 OI2026-10-14: 3,201 OI2026-10-15: 3,200 OI2026-10-16: 3,280 OI2026-10-21: 3,294 OI2026-10-23: 3,388 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, 2026Viewing3,388+94
Oct 21, 20263,294+14
Oct 16, 20263,280+80
Oct 15, 20263,200-1
Oct 14, 20263,2010
Oct 13, 20263,2010
Oct 09, 20263,201-7
Oct 08, 20263,2080
Oct 07, 20263,208-5
Oct 06, 20263,213+5
Oct 05, 20263,2080
Oct 02, 20263,208No prior observation