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Contract OI history

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Mar 19, 2027 EXPIRATION

CSX $45.00 Put

CSX270319P00045000

Latest saved OI1,794Oct 23, 2026
Last change+23vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $45.00 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. 1,7948970 2026-10-09: 1,563 OI2026-10-13: 1,571 OI2026-10-14: 1,571 OI2026-10-15: 1,574 OI2026-10-16: 1,579 OI2026-10-21: 1,771 OI2026-10-23: 1,794 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, 2026Viewing1,794+23
Oct 21, 20261,771+192
Oct 16, 20261,579+5
Oct 15, 20261,574+3
Oct 14, 20261,5710
Oct 13, 20261,571+8
Oct 09, 20261,563No prior observation