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Contract OI history

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Dec 18, 2026 EXPIRATION

BSX $80.00 Call

BSX261218C00080000

Latest saved OI445Oct 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 $80.00 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. 4452220 2026-10-02: 443 OI2026-10-05: 443 OI2026-10-06: 443 OI2026-10-07: 443 OI2026-10-08: 443 OI2026-10-09: 443 OI2026-10-13: 443 OI2026-10-14: 443 OI2026-10-15: 443 OI2026-10-16: 443 OI2026-10-21: 445 OI2026-10-23: 445 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, 2026Viewing4450
Oct 21, 2026445+2
Oct 16, 20264430
Oct 15, 20264430
Oct 14, 20264430
Oct 13, 20264430
Oct 09, 20264430
Oct 08, 20264430
Oct 07, 20264430
Oct 06, 20264430
Oct 05, 20264430
Oct 02, 2026443No prior observation