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Contract OI history

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Mar 19, 2027 EXPIRATION

BSX $65.00 Call

BSX270319C00065000

Latest saved OI1,178Oct 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 $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. 1,1865930 2026-10-02: 1,173 OI2026-10-05: 1,173 OI2026-10-06: 1,178 OI2026-10-07: 1,177 OI2026-10-08: 1,177 OI2026-10-09: 1,181 OI2026-10-13: 1,186 OI2026-10-14: 1,186 OI2026-10-15: 1,177 OI2026-10-16: 1,178 OI2026-10-21: 1,178 OI2026-10-23: 1,178 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, 2026Viewing1,1780
Oct 21, 20261,1780
Oct 16, 20261,178+1
Oct 15, 20261,177-9
Oct 14, 20261,1860
Oct 13, 20261,186+5
Oct 09, 20261,181+4
Oct 08, 20261,1770
Oct 07, 20261,177-1
Oct 06, 20261,178+5
Oct 05, 20261,1730
Oct 02, 20261,173No prior observation