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Contract OI history

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Oct 23, 2026 EXPIRATION

BSX $48.00 Call

BSX261023C00048000

Latest saved OI274Oct 23, 2026
Last change-143vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $48.00 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. 4172080 2026-10-02: 259 OI2026-10-05: 244 OI2026-10-06: 285 OI2026-10-07: 284 OI2026-10-08: 284 OI2026-10-09: 284 OI2026-10-13: 288 OI2026-10-14: 288 OI2026-10-15: 288 OI2026-10-16: 290 OI2026-10-21: 417 OI2026-10-23: 274 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, 2026Viewing274-143
Oct 21, 2026417+127
Oct 16, 2026290+2
Oct 15, 20262880
Oct 14, 20262880
Oct 13, 2026288+4
Oct 09, 20262840
Oct 08, 20262840
Oct 07, 2026284-1
Oct 06, 2026285+41
Oct 05, 2026244-15
Oct 02, 2026259No prior observation