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Contract OI history

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Oct 30, 2026 EXPIRATION

BSX $50.00 Call

BSX261030C00050000

Latest saved OI2,064Oct 23, 2026
Last change+755vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSX $50.00 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. 2,0641,0320 2026-10-02: 304 OI2026-10-05: 299 OI2026-10-06: 586 OI2026-10-07: 586 OI2026-10-08: 586 OI2026-10-09: 644 OI2026-10-13: 680 OI2026-10-14: 680 OI2026-10-15: 682 OI2026-10-16: 699 OI2026-10-21: 1,309 OI2026-10-23: 2,064 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, 2026Viewing2,064+755
Oct 21, 20261,309+610
Oct 16, 2026699+17
Oct 15, 2026682+2
Oct 14, 20266800
Oct 13, 2026680+36
Oct 09, 2026644+58
Oct 08, 20265860
Oct 07, 20265860
Oct 06, 2026586+287
Oct 05, 2026299-5
Oct 02, 2026304No prior observation