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Contract OI history

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Sep 17, 2027 EXPIRATION

BSX $30.00 Put

BSX270917P00030000

Latest saved OI1,613Oct 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 $30.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6138060 2026-10-02: 1,518 OI2026-10-05: 1,518 OI2026-10-06: 1,571 OI2026-10-07: 1,578 OI2026-10-08: 1,578 OI2026-10-09: 1,578 OI2026-10-13: 1,613 OI2026-10-14: 1,613 OI2026-10-15: 1,613 OI2026-10-16: 1,613 OI2026-10-21: 1,613 OI2026-10-23: 1,613 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, 2026Viewing1,6130
Oct 21, 20261,6130
Oct 16, 20261,6130
Oct 15, 20261,6130
Oct 14, 20261,6130
Oct 13, 20261,613+35
Oct 09, 20261,5780
Oct 08, 20261,5780
Oct 07, 20261,578+7
Oct 06, 20261,571+53
Oct 05, 20261,5180
Oct 02, 20261,518No prior observation