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Contract OI history

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Oct 23, 2026 EXPIRATION

CSX $48.00 Put

CSX261023P00048000

Latest saved OI1,347Oct 23, 2026
Last change+161vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $48.00 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. 1,3476730 2026-10-09: 242 OI2026-10-13: 242 OI2026-10-14: 242 OI2026-10-15: 273 OI2026-10-16: 269 OI2026-10-21: 1,186 OI2026-10-23: 1,347 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, 2026Viewing1,347+161
Oct 21, 20261,186+917
Oct 16, 2026269-4
Oct 15, 2026273+31
Oct 14, 20262420
Oct 13, 20262420
Oct 09, 2026242No prior observation