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Contract OI history

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Dec 15, 2028 EXPIRATION

BSP $17.50 Call

BSP281215C00017500

Latest saved OI197Oct 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 $17.50 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. 198990 2026-10-08: 7 OI2026-10-13: 7 OI2026-10-14: 51 OI2026-10-15: 197 OI2026-10-16: 198 OI2026-10-21: 197 OI2026-10-23: 197 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, 2026Viewing1970
Oct 21, 2026197-1
Oct 16, 2026198+1
Oct 15, 2026197+146
Oct 14, 202651+44
Oct 13, 202670
Oct 08, 20267No prior observation