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Contract OI history

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Dec 18, 2026 EXPIRATION

CSX $42.50 Call

CSX261218C00042500

Latest saved OI389Oct 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 $42.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4192090 2026-10-09: 419 OI2026-10-13: 419 OI2026-10-14: 419 OI2026-10-15: 419 OI2026-10-16: 419 OI2026-10-21: 390 OI2026-10-23: 389 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, 2026Viewing389-1
Oct 21, 2026390-29
Oct 16, 20264190
Oct 15, 20264190
Oct 14, 20264190
Oct 13, 20264190
Oct 09, 2026419No prior observation