OITracker Cboe delayed data

Contract OI history

Back to ON

Oct 30, 2026 EXPIRATION

ON $100.00 Call

ON261030C00100000

Latest saved OI185Oct 23, 2026
Last change-3vs 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. 188940 2026-10-09: 171 OI2026-10-13: 180 OI2026-10-14: 180 OI2026-10-15: 180 OI2026-10-16: 180 OI2026-10-21: 188 OI2026-10-23: 185 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, 2026Viewing185-3
Oct 21, 2026188+8
Oct 16, 20261800
Oct 15, 20261800
Oct 14, 20261800
Oct 13, 2026180+9
Oct 09, 2026171No prior observation