OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

ON $120.00 Call

ON261218C00120000

Latest saved OI426Oct 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 $120.00 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. 4262130 2026-10-09: 248 OI2026-10-13: 248 OI2026-10-14: 248 OI2026-10-15: 308 OI2026-10-16: 308 OI2026-10-21: 426 OI2026-10-23: 426 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, 2026Viewing4260
Oct 21, 2026426+118
Oct 16, 20263080
Oct 15, 2026308+60
Oct 14, 20262480
Oct 13, 20262480
Oct 09, 2026248No prior observation