OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CSX $30.00 Put

CSX270115P00030000

Latest saved OI4,293Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $30.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4,2932,1460 2026-10-09: 4,293 OI2026-10-13: 4,293 OI2026-10-14: 4,293 OI2026-10-15: 4,293 OI2026-10-16: 4,293 OI2026-10-21: 4,293 OI2026-10-23: 4,293 OI Oct 09, 2026Oct 23, 2026

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

CSX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4,2930
Oct 21, 20264,2930
Oct 16, 20264,2930
Oct 15, 20264,2930
Oct 14, 20264,2930
Oct 13, 20264,2930
Oct 09, 20264,293No prior observation