OITracker Cboe delayed data

Contract OI history

Back to CSX

Mar 19, 2027 EXPIRATION

CSX $52.50 Put

CSX270319P00052500

Latest saved OI175Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CSX $52.50 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. 175870 2026-10-09: 173 OI2026-10-13: 173 OI2026-10-14: 173 OI2026-10-15: 173 OI2026-10-16: 173 OI2026-10-21: 173 OI2026-10-23: 175 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, 2026Viewing175+2
Oct 21, 20261730
Oct 16, 20261730
Oct 15, 20261730
Oct 14, 20261730
Oct 13, 20261730
Oct 09, 2026173No prior observation