OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

CB $390.00 Call

CB261218C00390000

Latest saved OI113Oct 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 $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. 113560 2026-10-02: 100 OI2026-10-05: 100 OI2026-10-06: 100 OI2026-10-07: 100 OI2026-10-08: 100 OI2026-10-09: 100 OI2026-10-13: 95 OI2026-10-14: 95 OI2026-10-15: 99 OI2026-10-16: 99 OI2026-10-21: 113 OI2026-10-23: 113 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, 2026Viewing1130
Oct 21, 2026113+14
Oct 16, 2026990
Oct 15, 202699+4
Oct 14, 2026950
Oct 13, 202695-5
Oct 09, 20261000
Oct 08, 20261000
Oct 07, 20261000
Oct 06, 20261000
Oct 05, 20261000
Oct 02, 2026100No prior observation