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Contract OI history

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Jan 15, 2027 EXPIRATION

CSX $42.50 Put

CSX270115P00042500

Latest saved OI1,204Oct 23, 2026
Last change+5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $42.50 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. 1,2066030 2026-10-09: 1,206 OI2026-10-13: 1,205 OI2026-10-14: 1,205 OI2026-10-15: 1,202 OI2026-10-16: 1,202 OI2026-10-21: 1,199 OI2026-10-23: 1,204 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, 2026Viewing1,204+5
Oct 21, 20261,199-3
Oct 16, 20261,2020
Oct 15, 20261,202-3
Oct 14, 20261,2050
Oct 13, 20261,205-1
Oct 09, 20261,206No prior observation