OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ON $75.00 Call

ON270115C00075000

Latest saved OI2,167Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ON $75.00 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. 2,1671,0830 2026-10-09: 2,000 OI2026-10-13: 1,973 OI2026-10-14: 1,973 OI2026-10-15: 1,981 OI2026-10-16: 2,014 OI2026-10-21: 2,159 OI2026-10-23: 2,167 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, 2026Viewing2,167+8
Oct 21, 20262,159+145
Oct 16, 20262,014+33
Oct 15, 20261,981+8
Oct 14, 20261,9730
Oct 13, 20261,973-27
Oct 09, 20262,000No prior observation