OITracker Cboe delayed data

Contract OI history

Back to BSP

Nov 20, 2026 EXPIRATION

BSP $70.00 Call

BSP261120C00070000

Latest saved OI1,071Oct 23, 2026
Last change-5vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
BSP $70.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 1,0765380 2026-10-15: 0 OI2026-10-16: 1,024 OI2026-10-21: 1,076 OI2026-10-23: 1,071 OI Oct 15, 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, 2026Viewing1,071-5
Oct 21, 20261,076+52
Oct 16, 20261,024+1,024
Oct 15, 20260No prior observation