OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

CSX $50.00 Put

CSX261120P00050000

Latest saved OI4,358Oct 23, 2026
Last change-39vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $50.00 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. 4,4092,2040 2026-10-09: 4,406 OI2026-10-13: 4,406 OI2026-10-14: 4,406 OI2026-10-15: 4,409 OI2026-10-16: 4,409 OI2026-10-21: 4,397 OI2026-10-23: 4,358 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, 2026Viewing4,358-39
Oct 21, 20264,397-12
Oct 16, 20264,4090
Oct 15, 20264,409+3
Oct 14, 20264,4060
Oct 13, 20264,4060
Oct 09, 20264,406No prior observation