OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

UNP $250.00 Put

UNP261023P00250000

Latest saved OI452Oct 23, 2026
Last change+52vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNP $250.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4522260 2026-10-02: 400 OI2026-10-05: 400 OI2026-10-06: 400 OI2026-10-07: 400 OI2026-10-08: 400 OI2026-10-09: 400 OI2026-10-14: 400 OI2026-10-15: 400 OI2026-10-16: 400 OI2026-10-21: 400 OI2026-10-23: 452 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

UNP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing452+52
Oct 21, 20264000
Oct 16, 20264000
Oct 15, 20264000
Oct 14, 20264000
Oct 09, 20264000
Oct 08, 20264000
Oct 07, 20264000
Oct 06, 20264000
Oct 05, 20264000
Oct 02, 2026400No prior observation