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Contract OI history

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Dec 18, 2026 EXPIRATION

UNP $270.00 Put

UNP261218P00270000

Latest saved OI372Oct 23, 2026
Last change+17vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UNP $270.00 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. 3721860 2026-10-02: 341 OI2026-10-05: 341 OI2026-10-06: 342 OI2026-10-07: 343 OI2026-10-08: 345 OI2026-10-09: 346 OI2026-10-14: 346 OI2026-10-15: 346 OI2026-10-16: 353 OI2026-10-21: 355 OI2026-10-23: 372 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, 2026Viewing372+17
Oct 21, 2026355+2
Oct 16, 2026353+7
Oct 15, 20263460
Oct 14, 20263460
Oct 09, 2026346+1
Oct 08, 2026345+2
Oct 07, 2026343+1
Oct 06, 2026342+1
Oct 05, 20263410
Oct 02, 2026341No prior observation