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Contract OI history

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Nov 20, 2026 EXPIRATION

BSM $15.00 Call

BSM261120C00015000

Latest saved OI403Oct 23, 2026
Last change+91vs 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. 4032010 2026-10-02: 15 OI2026-10-05: 13 OI2026-10-07: 29 OI2026-10-08: 31 OI2026-10-09: 35 OI2026-10-13: 97 OI2026-10-14: 108 OI2026-10-16: 181 OI2026-10-20: 312 OI2026-10-23: 403 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, 2026Viewing403+91
Oct 20, 2026312+131
Oct 16, 2026181+73
Oct 14, 2026108+11
Oct 13, 202697+62
Oct 09, 202635+4
Oct 08, 202631+2
Oct 07, 202629+16
Oct 05, 202613-2
Oct 02, 202615No prior observation