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Contract OI history

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Jan 15, 2027 EXPIRATION

BSP $40.00 Call

BSP270115C00040000

Latest saved OI135Oct 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 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. 143710 2026-10-08: 141 OI2026-10-13: 143 OI2026-10-14: 143 OI2026-10-15: 122 OI2026-10-16: 122 OI2026-10-21: 135 OI2026-10-23: 135 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, 2026Viewing1350
Oct 21, 2026135+13
Oct 16, 20261220
Oct 15, 2026122-21
Oct 14, 20261430
Oct 13, 2026143+2
Oct 08, 2026141No prior observation