OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BSX $115.00 Call

BSX270115C00115000

Latest saved OI2,483Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $115.00 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. 2,4831,2410 2026-10-02: 2,483 OI2026-10-05: 2,483 OI2026-10-06: 2,483 OI2026-10-07: 2,483 OI2026-10-08: 2,483 OI2026-10-09: 2,483 OI2026-10-13: 2,483 OI2026-10-14: 2,483 OI2026-10-15: 2,483 OI2026-10-16: 2,483 OI2026-10-21: 2,483 OI2026-10-23: 2,483 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, 2026Viewing2,4830
Oct 21, 20262,4830
Oct 16, 20262,4830
Oct 15, 20262,4830
Oct 14, 20262,4830
Oct 13, 20262,4830
Oct 09, 20262,4830
Oct 08, 20262,4830
Oct 07, 20262,4830
Oct 06, 20262,4830
Oct 05, 20262,4830
Oct 02, 20262,483No prior observation