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Contract OI history

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Jun 17, 2027 EXPIRATION

CSX $40.00 Put

CSX270617P00040000

Latest saved OI576Oct 23, 2026
Last change+457vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $40.00 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. 5762880 2026-10-09: 117 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-15: 119 OI2026-10-16: 119 OI2026-10-21: 119 OI2026-10-23: 576 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, 2026Viewing576+457
Oct 21, 20261190
Oct 16, 20261190
Oct 15, 2026119+1
Oct 14, 20261180
Oct 13, 2026118+1
Oct 09, 2026117No prior observation