OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

CMS $65.00 Call

CMS261218C00065000

Latest saved OI165Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CMS $65.00 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. 169840 2026-10-02: 164 OI2026-10-05: 169 OI2026-10-06: 169 OI2026-10-07: 164 OI2026-10-08: 152 OI2026-10-09: 152 OI2026-10-13: 165 OI2026-10-14: 165 OI2026-10-15: 165 OI2026-10-16: 165 OI2026-10-21: 165 OI2026-10-23: 165 OI Oct 02, 2026Oct 23, 2026

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

CMS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1650
Oct 21, 20261650
Oct 16, 20261650
Oct 15, 20261650
Oct 14, 20261650
Oct 13, 2026165+13
Oct 09, 20261520
Oct 08, 2026152-12
Oct 07, 2026164-5
Oct 06, 20261690
Oct 05, 2026169+5
Oct 02, 2026164No prior observation