OITracker Cboe delayed data

Contract OI history

Back to ON

Jan 21, 2028 EXPIRATION

ON $140.00 Call

ON280121C00140000

Latest saved OI1,259Oct 23, 2026
Last change+287vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $140.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,2596290 2026-10-09: 972 OI2026-10-13: 972 OI2026-10-14: 972 OI2026-10-15: 972 OI2026-10-16: 972 OI2026-10-21: 972 OI2026-10-23: 1,259 OI Oct 09, 2026Oct 23, 2026

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

ON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,259+287
Oct 21, 20269720
Oct 16, 20269720
Oct 15, 20269720
Oct 14, 20269720
Oct 13, 20269720
Oct 09, 2026972No prior observation