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Contract OI history

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Dec 18, 2026 EXPIRATION

CSX $47.50 Put

CSX261218P00047500

Latest saved OI771Oct 23, 2026
Last change+31vs 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. 7713850 2026-10-09: 705 OI2026-10-13: 726 OI2026-10-14: 726 OI2026-10-15: 733 OI2026-10-16: 725 OI2026-10-21: 740 OI2026-10-23: 771 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, 2026Viewing771+31
Oct 21, 2026740+15
Oct 16, 2026725-8
Oct 15, 2026733+7
Oct 14, 20267260
Oct 13, 2026726+21
Oct 09, 2026705No prior observation