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Contract OI history

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Dec 18, 2026 EXPIRATION

CSX $35.00 Put

CSX261218P00035000

Latest saved OI1,009Oct 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 $35.00 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. 1,0095040 2026-10-09: 1,009 OI2026-10-13: 1,009 OI2026-10-14: 1,009 OI2026-10-15: 1,009 OI2026-10-16: 1,009 OI2026-10-21: 1,009 OI2026-10-23: 1,009 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, 2026Viewing1,0090
Oct 21, 20261,0090
Oct 16, 20261,0090
Oct 15, 20261,0090
Oct 14, 20261,0090
Oct 13, 20261,0090
Oct 09, 20261,009No prior observation