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Contract OI history

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Feb 19, 2027 EXPIRATION

BSP $55.00 Put

BSP270219P00055000

Latest saved OI100Oct 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 $55.00 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. 100500 2026-10-08: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 100 OI2026-10-21: 100 OI2026-10-23: 100 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, 2026Viewing1000
Oct 21, 20261000
Oct 16, 2026100+100
Oct 15, 202600
Oct 14, 202600
Oct 13, 202600
Oct 08, 20260No prior observation