OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

CSX $50.00 Put

CSX270115P00050000

Latest saved OI1,072Oct 23, 2026
Last change+7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $50.00 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. 1,0735360 2026-10-09: 1,073 OI2026-10-13: 1,062 OI2026-10-14: 1,062 OI2026-10-15: 1,062 OI2026-10-16: 1,062 OI2026-10-21: 1,065 OI2026-10-23: 1,072 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, 2026Viewing1,072+7
Oct 21, 20261,065+3
Oct 16, 20261,0620
Oct 15, 20261,0620
Oct 14, 20261,0620
Oct 13, 20261,062-11
Oct 09, 20261,073No prior observation