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Contract OI history

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Apr 16, 2027 EXPIRATION

BSP $20.00 Put

BSP270416P00020000

Latest saved OI120Oct 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 $20.00 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. 121600 2026-10-08: 121 OI2026-10-13: 121 OI2026-10-14: 121 OI2026-10-15: 120 OI2026-10-16: 120 OI2026-10-21: 120 OI2026-10-23: 120 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, 2026Viewing1200
Oct 21, 20261200
Oct 16, 20261200
Oct 15, 2026120-1
Oct 14, 20261210
Oct 13, 20261210
Oct 08, 2026121No prior observation