OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

BSM $15.00 Call

BSM270115C00015000

Latest saved OI2,898Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BSM $15.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,9331,4660 2026-10-02: 2,723 OI2026-10-05: 2,787 OI2026-10-07: 2,933 OI2026-10-08: 2,872 OI2026-10-09: 2,862 OI2026-10-13: 2,862 OI2026-10-14: 2,861 OI2026-10-16: 2,858 OI2026-10-20: 2,898 OI2026-10-23: 2,898 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

BSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,8980
Oct 20, 20262,898+40
Oct 16, 20262,858-3
Oct 14, 20262,861-1
Oct 13, 20262,8620
Oct 09, 20262,862-10
Oct 08, 20262,872-61
Oct 07, 20262,933+146
Oct 05, 20262,787+64
Oct 02, 20262,723No prior observation