OITracker Cboe delayed data

Contract OI history

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Jun 17, 2027 EXPIRATION

BSX $50.00 Call

BSX270617C00050000

Latest saved OI6,404Oct 23, 2026
Last change-14vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $50.00 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. 6,4193,2090 2026-10-02: 6,387 OI2026-10-05: 6,379 OI2026-10-06: 6,381 OI2026-10-07: 6,388 OI2026-10-08: 6,388 OI2026-10-09: 6,419 OI2026-10-13: 6,405 OI2026-10-14: 6,405 OI2026-10-15: 6,385 OI2026-10-16: 6,380 OI2026-10-21: 6,418 OI2026-10-23: 6,404 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, 2026Viewing6,404-14
Oct 21, 20266,418+38
Oct 16, 20266,380-5
Oct 15, 20266,385-20
Oct 14, 20266,4050
Oct 13, 20266,405-14
Oct 09, 20266,419+31
Oct 08, 20266,3880
Oct 07, 20266,388+7
Oct 06, 20266,381+2
Oct 05, 20266,379-8
Oct 02, 20266,387No prior observation