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Contract OI history

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Nov 20, 2026 EXPIRATION

BSP $40.00 Call

BSP261120C00040000

Latest saved OI477Oct 23, 2026
Last change-60vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BSP $40.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 6153070 2026-10-08: 565 OI2026-10-13: 608 OI2026-10-14: 615 OI2026-10-15: 611 OI2026-10-16: 608 OI2026-10-21: 537 OI2026-10-23: 477 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, 2026Viewing477-60
Oct 21, 2026537-71
Oct 16, 2026608-3
Oct 15, 2026611-4
Oct 14, 2026615+7
Oct 13, 2026608+43
Oct 08, 2026565No prior observation