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Contract OI history

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Nov 20, 2026 EXPIRATION

BSP $25.00 Put

BSP261120P00025000

Latest saved OI781Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BSP $25.00 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. 8444220 2026-10-08: 83 OI2026-10-13: 357 OI2026-10-14: 371 OI2026-10-15: 844 OI2026-10-16: 844 OI2026-10-21: 788 OI2026-10-23: 781 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, 2026Viewing781-7
Oct 21, 2026788-56
Oct 16, 20268440
Oct 15, 2026844+473
Oct 14, 2026371+14
Oct 13, 2026357+274
Oct 08, 202683No prior observation