OITracker Cboe delayed data

Contract OI history

Back to ON

Dec 18, 2026 EXPIRATION

ON $125.00 Call

ON261218C00125000

Latest saved OI308Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $125.00 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. 3091540 2026-10-09: 308 OI2026-10-13: 308 OI2026-10-14: 308 OI2026-10-15: 309 OI2026-10-16: 304 OI2026-10-21: 308 OI2026-10-23: 308 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, 2026Viewing3080
Oct 21, 2026308+4
Oct 16, 2026304-5
Oct 15, 2026309+1
Oct 14, 20263080
Oct 13, 20263080
Oct 09, 2026308No prior observation