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Contract OI history

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Jun 17, 2027 EXPIRATION

CSX $35.00 Put

CSX270617P00035000

Latest saved OI154Oct 23, 2026
Last change+1vs 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. 175870 2026-10-09: 175 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-15: 175 OI2026-10-16: 175 OI2026-10-21: 153 OI2026-10-23: 154 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, 2026Viewing154+1
Oct 21, 2026153-22
Oct 16, 20261750
Oct 15, 20261750
Oct 14, 20261750
Oct 13, 20261750
Oct 09, 2026175No prior observation