OITracker Cboe delayed data

Contract OI history

Back to ONTO

Dec 18, 2026 EXPIRATION

ONTO $450.00 Call

ONTO261218C00450000

Latest saved OI870Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONTO $450.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8724360 2026-10-02: 872 OI2026-10-05: 872 OI2026-10-06: 872 OI2026-10-07: 872 OI2026-10-08: 872 OI2026-10-09: 872 OI2026-10-13: 870 OI2026-10-14: 870 OI2026-10-15: 870 OI2026-10-16: 870 OI2026-10-21: 870 OI2026-10-23: 870 OI Oct 02, 2026Oct 23, 2026

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

ONTO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8700
Oct 21, 20268700
Oct 16, 20268700
Oct 15, 20268700
Oct 14, 20268700
Oct 13, 2026870-2
Oct 09, 20268720
Oct 08, 20268720
Oct 07, 20268720
Oct 06, 20268720
Oct 05, 20268720
Oct 02, 2026872No prior observation