OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CB $390.00 Call

CB270115C00390000

Latest saved OI833Oct 23, 2026
Last change+27vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CB $390.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8334160 2026-10-02: 803 OI2026-10-05: 803 OI2026-10-06: 803 OI2026-10-07: 803 OI2026-10-08: 803 OI2026-10-09: 803 OI2026-10-13: 803 OI2026-10-14: 803 OI2026-10-15: 803 OI2026-10-16: 803 OI2026-10-21: 806 OI2026-10-23: 833 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CB contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing833+27
Oct 21, 2026806+3
Oct 16, 20268030
Oct 15, 20268030
Oct 14, 20268030
Oct 13, 20268030
Oct 09, 20268030
Oct 08, 20268030
Oct 07, 20268030
Oct 06, 20268030
Oct 05, 20268030
Oct 02, 2026803No prior observation