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Contract OI history

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Dec 18, 2026 EXPIRATION

UNP $230.00 Put

UNP261218P00230000

Latest saved OI707Oct 23, 2026
Last change-7vs 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. 7143570 2026-10-02: 713 OI2026-10-05: 713 OI2026-10-06: 713 OI2026-10-07: 713 OI2026-10-08: 713 OI2026-10-09: 713 OI2026-10-14: 713 OI2026-10-15: 713 OI2026-10-16: 713 OI2026-10-21: 714 OI2026-10-23: 707 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, 2026Viewing707-7
Oct 21, 2026714+1
Oct 16, 20267130
Oct 15, 20267130
Oct 14, 20267130
Oct 09, 20267130
Oct 08, 20267130
Oct 07, 20267130
Oct 06, 20267130
Oct 05, 20267130
Oct 02, 2026713No prior observation