OITracker Cboe delayed data

Contract OI history

Back to ON

Dec 15, 2028 EXPIRATION

ON $100.00 Call

ON281215C00100000

Latest saved OI170Oct 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 $100.00 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. 170850 2026-10-09: 168 OI2026-10-13: 168 OI2026-10-14: 168 OI2026-10-15: 168 OI2026-10-16: 168 OI2026-10-21: 170 OI2026-10-23: 170 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, 2026Viewing1700
Oct 21, 2026170+2
Oct 16, 20261680
Oct 15, 20261680
Oct 14, 20261680
Oct 13, 20261680
Oct 09, 2026168No prior observation