OITracker Cboe delayed data

Contract OI history

Back to OSS

Jan 21, 2028 EXPIRATION

OSS $10.00 Call

OSS280121C00010000

Latest saved OI45Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
OSS $10.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 45220 2026-10-08: 30 OI2026-10-09: 35 OI2026-10-13: 35 OI2026-10-14: 35 OI2026-10-16: 35 OI2026-10-20: 38 OI2026-10-23: 45 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OSS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202645+7
Oct 20, 2026Viewing38+3
Oct 16, 2026350
Oct 14, 2026350
Oct 13, 2026350
Oct 09, 202635+5
Oct 08, 202630No prior observation