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Contract OI history

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Jan 15, 2027 EXPIRATION

BSP $35.00 Put

BSP270115P00035000

Latest saved OI3,375Oct 23, 2026
Last change-18vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
BSP $35.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3,5951,7970 2026-10-08: 2,951 OI2026-10-13: 2,961 OI2026-10-14: 2,961 OI2026-10-15: 3,595 OI2026-10-16: 3,381 OI2026-10-21: 3,393 OI2026-10-23: 3,375 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, 2026Viewing3,375-18
Oct 21, 20263,393+12
Oct 16, 20263,381-214
Oct 15, 20263,595+634
Oct 14, 20262,9610
Oct 13, 20262,961+10
Oct 08, 20262,951No prior observation