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Contract OI history

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Jun 17, 2027 EXPIRATION

BSP $40.00 Put

BSP270617P00040000

Latest saved OI207Oct 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 $40.00 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. 2071030 2026-10-08: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 200 OI2026-10-16: 200 OI2026-10-21: 207 OI2026-10-23: 207 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, 2026Viewing2070
Oct 21, 2026207+7
Oct 16, 20262000
Oct 15, 2026200+200
Oct 14, 202600
Oct 13, 202600
Oct 08, 20260No prior observation