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Contract OI history

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Oct 23, 2026 EXPIRATION

CSX $45.00 Put

CSX261023P00045000

Latest saved OI255Oct 23, 2026
Last change+203vs 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. 2551270 2026-10-09: 21 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-15: 22 OI2026-10-16: 22 OI2026-10-21: 52 OI2026-10-23: 255 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, 2026Viewing255+203
Oct 21, 202652+30
Oct 16, 2026220
Oct 15, 2026220
Oct 14, 2026220
Oct 13, 202622+1
Oct 09, 202621No prior observation