OITracker Cboe delayed data

Contract OI history

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Jan 19, 2029 EXPIRATION

CB $330.00 Put

CB290119P00330000

Latest saved OI5Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CB $330.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 520 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-07: 1 OI2026-10-08: 1 OI2026-10-09: 1 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 1 OI2026-10-21: 1 OI2026-10-23: 5 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, 2026Viewing5+4
Oct 21, 202610
Oct 16, 202610
Oct 15, 202610
Oct 14, 202610
Oct 13, 202610
Oct 09, 202610
Oct 08, 202610
Oct 07, 202610
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation