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Contract OI history

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Nov 20, 2026 EXPIRATION

BSP $55.00 Call

BSP261120C00055000

Latest saved OI536Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BSP $55.00 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. 5392690 2026-10-08: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 244 OI2026-10-16: 471 OI2026-10-21: 539 OI2026-10-23: 536 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, 2026Viewing536-3
Oct 21, 2026539+68
Oct 16, 2026471+227
Oct 15, 2026244+243
Oct 14, 202610
Oct 13, 202610
Oct 08, 20261No prior observation