OITracker Cboe delayed data

Contract OI history

Back to UNP

Jan 21, 2028 EXPIRATION

UNP $230.00 Put

UNP280121P00230000

Latest saved OI58Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNP $230.00 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. 58290 2026-10-02: 55 OI2026-10-05: 55 OI2026-10-06: 55 OI2026-10-07: 55 OI2026-10-08: 55 OI2026-10-09: 55 OI2026-10-14: 55 OI2026-10-15: 56 OI2026-10-16: 56 OI2026-10-21: 58 OI2026-10-23: 58 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, 2026Viewing580
Oct 21, 202658+2
Oct 16, 2026560
Oct 15, 202656+1
Oct 14, 2026550
Oct 09, 2026550
Oct 08, 2026550
Oct 07, 2026550
Oct 06, 2026550
Oct 05, 2026550
Oct 02, 202655No prior observation