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Contract OI history

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Jan 21, 2028 EXPIRATION

CSX $50.00 Put

CSX280121P00050000

Latest saved OI236Oct 23, 2026
Last change+30vs 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. 2361180 2026-10-09: 206 OI2026-10-13: 206 OI2026-10-14: 206 OI2026-10-15: 206 OI2026-10-16: 206 OI2026-10-21: 206 OI2026-10-23: 236 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, 2026Viewing236+30
Oct 21, 20262060
Oct 16, 20262060
Oct 15, 20262060
Oct 14, 20262060
Oct 13, 20262060
Oct 09, 2026206No prior observation