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Contract OI history

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Jun 17, 2027 EXPIRATION

BSP $35.00 Put

BSP270617P00035000

Latest saved OI1,612Oct 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 $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. 1,6128060 2026-10-08: 1,609 OI2026-10-13: 1,609 OI2026-10-14: 1,609 OI2026-10-15: 1,609 OI2026-10-16: 1,612 OI2026-10-21: 1,612 OI2026-10-23: 1,612 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, 2026Viewing1,6120
Oct 21, 20261,6120
Oct 16, 20261,612+3
Oct 15, 20261,6090
Oct 14, 20261,6090
Oct 13, 20261,6090
Oct 08, 20261,609No prior observation