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Contract OI history

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Nov 20, 2026 EXPIRATION

BSP $45.00 Put

BSP261120P00045000

Latest saved OI788Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BSP $45.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 7883940 2026-10-08: 6 OI2026-10-13: 85 OI2026-10-14: 85 OI2026-10-15: 326 OI2026-10-16: 362 OI2026-10-21: 788 OI2026-10-23: 788 OI Oct 08, 2026Oct 23, 2026

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

BSP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing7880
Oct 21, 2026788+426
Oct 16, 2026362+36
Oct 15, 2026326+241
Oct 14, 2026850
Oct 13, 202685+79
Oct 08, 20266No prior observation