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Contract OI history

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Jan 21, 2028 EXPIRATION

CSX $42.50 Put

CSX280121P00042500

Latest saved OI590Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $42.50 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. 5932960 2026-10-09: 593 OI2026-10-13: 593 OI2026-10-14: 593 OI2026-10-15: 593 OI2026-10-16: 593 OI2026-10-21: 593 OI2026-10-23: 590 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, 2026Viewing590-3
Oct 21, 20265930
Oct 16, 20265930
Oct 15, 20265930
Oct 14, 20265930
Oct 13, 20265930
Oct 09, 2026593No prior observation