OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CB $340.00 Call

CB270115C00340000

Latest saved OI1,469Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CB $340.00 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. 1,4807400 2026-10-02: 1,480 OI2026-10-05: 1,475 OI2026-10-06: 1,464 OI2026-10-07: 1,462 OI2026-10-08: 1,462 OI2026-10-09: 1,462 OI2026-10-13: 1,470 OI2026-10-14: 1,470 OI2026-10-15: 1,470 OI2026-10-16: 1,470 OI2026-10-21: 1,469 OI2026-10-23: 1,469 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, 2026Viewing1,4690
Oct 21, 20261,469-1
Oct 16, 20261,4700
Oct 15, 20261,4700
Oct 14, 20261,4700
Oct 13, 20261,470+8
Oct 09, 20261,4620
Oct 08, 20261,4620
Oct 07, 20261,462-2
Oct 06, 20261,464-11
Oct 05, 20261,475-5
Oct 02, 20261,480No prior observation