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Contract OI history

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Sep 17, 2027 EXPIRATION

CSX $52.50 Put

CSX270917P00052500

Latest saved OI3,010Oct 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 $52.50 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. 3,0101,5050 2026-10-09: 3,010 OI2026-10-13: 3,010 OI2026-10-14: 3,010 OI2026-10-15: 3,010 OI2026-10-16: 3,010 OI2026-10-21: 3,010 OI2026-10-23: 3,010 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, 2026Viewing3,0100
Oct 21, 20263,0100
Oct 16, 20263,0100
Oct 15, 20263,0100
Oct 14, 20263,0100
Oct 13, 20263,0100
Oct 09, 20263,010No prior observation