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Contract OI history

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Jan 15, 2027 EXPIRATION

BSP $50.00 Put

BSP270115P00050000

Latest saved OI828Oct 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 $50.00 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. 8394190 2026-10-08: 320 OI2026-10-13: 320 OI2026-10-14: 320 OI2026-10-15: 828 OI2026-10-16: 839 OI2026-10-21: 828 OI2026-10-23: 828 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, 2026Viewing8280
Oct 21, 2026828-11
Oct 16, 2026839+11
Oct 15, 2026828+508
Oct 14, 20263200
Oct 13, 20263200
Oct 08, 2026320No prior observation