OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ON $180.00 Call

ON280121C00180000

Latest saved OI5,152Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $180.00 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. 5,1712,5850 2026-10-09: 5,171 OI2026-10-13: 5,171 OI2026-10-14: 5,171 OI2026-10-15: 5,171 OI2026-10-16: 5,171 OI2026-10-21: 5,151 OI2026-10-23: 5,152 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, 2026Viewing5,152+1
Oct 21, 20265,151-20
Oct 16, 20265,1710
Oct 15, 20265,1710
Oct 14, 20265,1710
Oct 13, 20265,1710
Oct 09, 20265,171No prior observation