OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CB $330.00 Call

CB270115C00330000

Latest saved OI619Oct 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 $330.00 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. 6193090 2026-10-02: 618 OI2026-10-05: 618 OI2026-10-06: 618 OI2026-10-07: 617 OI2026-10-08: 617 OI2026-10-09: 617 OI2026-10-13: 617 OI2026-10-14: 617 OI2026-10-15: 617 OI2026-10-16: 617 OI2026-10-21: 619 OI2026-10-23: 619 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, 2026Viewing6190
Oct 21, 2026619+2
Oct 16, 20266170
Oct 15, 20266170
Oct 14, 20266170
Oct 13, 20266170
Oct 09, 20266170
Oct 08, 20266170
Oct 07, 2026617-1
Oct 06, 20266180
Oct 05, 20266180
Oct 02, 2026618No prior observation