Union Pacific Corporation (UNP) Open Interest History

Open interest tracks the total number of outstanding options contracts. Rising OI alongside price moves can indicate growing commitment to the trend; declining OI suggests positions are being closed.

Union Pacific Corporation (UNP) operates in the Industrials sector, specifically the Railroads industry, with a market capitalization near $157.13B, listed on NYSE, employing roughly 30,146 people, carrying a beta of 0.99 to the broader market. Union Pacific Corporation, through its subsidiary, Union Pacific Railroad Company, operates in the railroad business in the United States. Led by Vincenzo James Vena, public since 1980-01-02.

Snapshot as of May 15, 2026.

Spot Price
$270.29
Call OI
84.1K
Put OI
42.3K
Total OI
126.3K
Put/Call Ratio
0.23

As of May 15, 2026, Union Pacific Corporation (UNP) has 126.3K total contracts outstanding across all expirations. Put/call OI ratio is 0.50 (call-heavy positioning). Open interest reflects accumulated positions from prior sessions; persistent growth indicates sustained directional or hedging interest, while sharp drops typically mean post-expiration clean-up.

How UNP open interest history Data Feeds Strategy Selection

Strategy selection on Union Pacific Corporation options does not derive from any single metric in isolation. The open interest history view above sits inside a broader read: ATM IV currently sits at 25.1% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. Combine the open interest history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

Learn how open interest is reported and how to read the data →

UNP highest open-interest contracts

TypeStrikeExpirationVolumeOIIVBidAsk
CALL$280.00Jun 18, 202639413.8K23.7%$3.40$4.00

Top 1 contracts from the ORATS-sourced nightly scan; ranked by oi within the broader S&P 500/400/600 + ETF universe.

Frequently asked UNP open interest history questions

What is the current UNP options open interest?
As of May 15, 2026, Union Pacific Corporation (UNP) has 126.3K total contracts outstanding across all listed expirations, split as 84.1K calls and 42.3K puts. Open interest reflects accumulated positions from prior trading sessions; it does not include today's volume until end-of-day reconciliation.
What is the UNP put/call open interest ratio?
Put/call OI ratio of 0.50 is call-heavy, often a directional bullish or upside-speculation signal.
What does UNP open interest tell traders?
Persistent OI growth indicates sustained directional or hedging interest; sharp drops typically mean post-expiration position cleanup. Heavy OI concentrations at specific strikes act as support and resistance levels because dealer hedging amplifies near those strikes - the gamma profile of the dealer book is concentrated there. Comparing today's volume to standing OI separates opening flow from closing flow.