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Contract OI history

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Nov 20, 2026 EXPIRATION

BSM $15.00 Put

BSM261120P00015000

Latest saved OI151Oct 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 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 151750 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 2 OI2026-10-13: 32 OI2026-10-14: 32 OI2026-10-16: 32 OI2026-10-20: 151 OI2026-10-23: 151 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, 2026Viewing1510
Oct 20, 2026151+119
Oct 16, 2026320
Oct 14, 2026320
Oct 13, 202632+30
Oct 09, 20262+1
Oct 08, 202610
Oct 07, 20261+1
Oct 05, 202600
Oct 02, 20260No prior observation