OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ON $100.00 Call

ON280121C00100000

Latest saved OI468Oct 23, 2026
Last change+2vs 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. 4682340 2026-10-09: 468 OI2026-10-13: 467 OI2026-10-14: 467 OI2026-10-15: 467 OI2026-10-16: 467 OI2026-10-21: 466 OI2026-10-23: 468 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, 2026Viewing468+2
Oct 21, 2026466-1
Oct 16, 20264670
Oct 15, 20264670
Oct 14, 20264670
Oct 13, 2026467-1
Oct 09, 2026468No prior observation