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Contract OI history

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Jan 21, 2028 EXPIRATION

BSX $115.00 Call

BSX280121C00115000

Latest saved OI1,015Oct 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. 1,0155070 2026-10-02: 1,011 OI2026-10-05: 1,011 OI2026-10-06: 1,011 OI2026-10-07: 1,015 OI2026-10-08: 1,015 OI2026-10-09: 1,015 OI2026-10-13: 1,015 OI2026-10-14: 1,015 OI2026-10-15: 1,015 OI2026-10-16: 1,015 OI2026-10-21: 1,015 OI2026-10-23: 1,015 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, 2026Viewing1,0150
Oct 21, 20261,0150
Oct 16, 20261,0150
Oct 15, 20261,0150
Oct 14, 20261,0150
Oct 13, 20261,0150
Oct 09, 20261,0150
Oct 08, 20261,0150
Oct 07, 20261,015+4
Oct 06, 20261,0110
Oct 05, 20261,0110
Oct 02, 20261,011No prior observation