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Contract OI history

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Oct 23, 2026 EXPIRATION

BSX $45.50 Call

BSX261023C00045500

Latest saved OI876Oct 23, 2026
Last change-562vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $45.50 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. 1,4387190 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 51 OI2026-10-07: 51 OI2026-10-08: 51 OI2026-10-09: 99 OI2026-10-13: 212 OI2026-10-14: 212 OI2026-10-15: 301 OI2026-10-16: 335 OI2026-10-21: 1,438 OI2026-10-23: 876 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, 2026Viewing876-562
Oct 21, 20261,438+1,103
Oct 16, 2026335+34
Oct 15, 2026301+89
Oct 14, 20262120
Oct 13, 2026212+113
Oct 09, 202699+48
Oct 08, 2026510
Oct 07, 2026510
Oct 06, 202651+51
Oct 05, 202600
Oct 02, 20260No prior observation