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Contract OI history

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Mar 19, 2027 EXPIRATION

CSX $47.50 Put

CSX270319P00047500

Latest saved OI600Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $47.50 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. 6083040 2026-10-09: 608 OI2026-10-13: 528 OI2026-10-14: 528 OI2026-10-15: 529 OI2026-10-16: 531 OI2026-10-21: 595 OI2026-10-23: 600 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, 2026Viewing600+5
Oct 21, 2026595+64
Oct 16, 2026531+2
Oct 15, 2026529+1
Oct 14, 20265280
Oct 13, 2026528-80
Oct 09, 2026608No prior observation