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Contract OI history

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Jan 19, 2029 EXPIRATION

BSX $65.00 Call

BSX290119C00065000

Latest saved OI317Oct 23, 2026
Last change+4vs 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. 3181590 2026-10-02: 75 OI2026-10-05: 75 OI2026-10-06: 311 OI2026-10-07: 312 OI2026-10-08: 312 OI2026-10-09: 316 OI2026-10-13: 318 OI2026-10-14: 318 OI2026-10-15: 318 OI2026-10-16: 318 OI2026-10-21: 313 OI2026-10-23: 317 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, 2026Viewing317+4
Oct 21, 2026313-5
Oct 16, 20263180
Oct 15, 20263180
Oct 14, 20263180
Oct 13, 2026318+2
Oct 09, 2026316+4
Oct 08, 20263120
Oct 07, 2026312+1
Oct 06, 2026311+236
Oct 05, 2026750
Oct 02, 202675No prior observation