OITracker Cboe delayed data

Contract OI history

Back to ONT

Dec 17, 2027 EXPIRATION

ONT $12.50 Call

ONT271217C00012500

Latest saved OI5,501Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONT $12.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5,5012,7500 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 2,501 OI2026-10-07: 2,501 OI2026-10-09: 2,501 OI2026-10-13: 2,501 OI2026-10-14: 2,501 OI2026-10-16: 3,501 OI2026-10-20: 5,501 OI2026-10-23: 5,501 OI Oct 02, 2026Oct 23, 2026

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

ONT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,5010
Oct 20, 20265,501+2,000
Oct 16, 20263,501+1,000
Oct 14, 20262,5010
Oct 13, 20262,5010
Oct 09, 20262,5010
Oct 07, 20262,5010
Oct 06, 20262,501+2,501
Oct 05, 202600
Oct 02, 20260No prior observation