OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

UNP $290.00 Put

UNP261120P00290000

Latest saved OI501Oct 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 $290.00 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. 5012500 2026-10-02: 432 OI2026-10-05: 432 OI2026-10-06: 432 OI2026-10-07: 432 OI2026-10-08: 432 OI2026-10-09: 432 OI2026-10-14: 432 OI2026-10-15: 432 OI2026-10-16: 433 OI2026-10-21: 449 OI2026-10-23: 501 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, 2026Viewing501+52
Oct 21, 2026449+16
Oct 16, 2026433+1
Oct 15, 20264320
Oct 14, 20264320
Oct 09, 20264320
Oct 08, 20264320
Oct 07, 20264320
Oct 06, 20264320
Oct 05, 20264320
Oct 02, 2026432No prior observation