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Contract OI history

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Dec 18, 2026 EXPIRATION

BSP $55.00 Call

BSP261218C00055000

Latest saved OI1,253Oct 23, 2026
Last change-4vs 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. 1,2666330 2026-10-08: 0 OI2026-10-13: 0 OI2026-10-14: 1,266 OI2026-10-15: 1,263 OI2026-10-16: 1,264 OI2026-10-21: 1,257 OI2026-10-23: 1,253 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, 2026Viewing1,253-4
Oct 21, 20261,257-7
Oct 16, 20261,264+1
Oct 15, 20261,263-3
Oct 14, 20261,266+1,266
Oct 13, 202600
Oct 08, 20260No prior observation