OITracker Cboe delayed data

Contract OI history

Back to BSP

Jun 17, 2027 EXPIRATION

BSP $25.00 Put

BSP270617P00025000

Latest saved OI17Oct 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 $25.00 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. 1780 2026-10-08: 10 OI2026-10-13: 10 OI2026-10-14: 10 OI2026-10-15: 13 OI2026-10-16: 16 OI2026-10-21: 17 OI2026-10-23: 17 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, 2026Viewing170
Oct 21, 202617+1
Oct 16, 202616+3
Oct 15, 202613+3
Oct 14, 2026100
Oct 13, 2026100
Oct 08, 202610No prior observation