OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CX $9.00 Put

CX270115P00009000

Latest saved OI4,135Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
CX $9.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4,1352,0670 2026-10-02: 4,121 OI2026-10-05: 4,121 OI2026-10-06: 4,121 OI2026-10-07: 4,121 OI2026-10-08: 4,121 OI2026-10-09: 4,121 OI2026-10-13: 4,121 OI2026-10-14: 4,121 OI2026-10-16: 4,121 OI2026-10-21: 4,135 OI2026-10-23: 4,135 OI Oct 02, 2026Oct 23, 2026

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

CX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,1350
Oct 21, 20264,135+14
Oct 16, 20264,1210
Oct 14, 20264,1210
Oct 13, 20264,1210
Oct 09, 20264,1210
Oct 08, 20264,1210
Oct 07, 20264,1210
Oct 06, 20264,1210
Oct 05, 20264,1210
Oct 02, 20264,121No prior observation