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Contract OI history

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Oct 23, 2026 EXPIRATION

BSX $45.00 Call

BSX261023C00045000

Latest saved OI3,464Oct 23, 2026
Last change-69vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $45.00 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. 3,5331,7660 2026-10-02: 283 OI2026-10-05: 286 OI2026-10-06: 437 OI2026-10-07: 442 OI2026-10-08: 442 OI2026-10-09: 445 OI2026-10-13: 2,406 OI2026-10-14: 2,406 OI2026-10-15: 2,595 OI2026-10-16: 2,641 OI2026-10-21: 3,533 OI2026-10-23: 3,464 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, 2026Viewing3,464-69
Oct 21, 20263,533+892
Oct 16, 20262,641+46
Oct 15, 20262,595+189
Oct 14, 20262,4060
Oct 13, 20262,406+1,961
Oct 09, 2026445+3
Oct 08, 20264420
Oct 07, 2026442+5
Oct 06, 2026437+151
Oct 05, 2026286+3
Oct 02, 2026283No prior observation