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Contract OI history

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Dec 18, 2026 EXPIRATION

CSX $45.00 Put

CSX261218P00045000

Latest saved OI608Oct 23, 2026
Last change-12vs 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. 6203100 2026-10-09: 581 OI2026-10-13: 584 OI2026-10-14: 584 OI2026-10-15: 590 OI2026-10-16: 597 OI2026-10-21: 620 OI2026-10-23: 608 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, 2026Viewing608-12
Oct 21, 2026620+23
Oct 16, 2026597+7
Oct 15, 2026590+6
Oct 14, 20265840
Oct 13, 2026584+3
Oct 09, 2026581No prior observation