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Union Pacific (UNP) Short Interest Ratio & Short Volume

Union Pacific logo
$219.31 -2.66 (-1.20%)
Closing price 08/1/2025 03:59 PM Eastern
Extended Trading
$219.51 +0.20 (+0.09%)
As of 08/1/2025 07:56 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
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Union Pacific Short Interest Data

Union Pacific (UNP) has a short interest of 5.88 million shares, representing 0.99% of the float (the number of shares available for trading by the public). This marks a 12,572.41% increase in short interest from the previous month. The short interest ratio (days to cover) is 1.8, indicating that it would take 1.8 days of the average trading volume of 4.97 million shares to cover all short positions.

Current Short Interest
5,880,000 shares
Previous Short Interest
46,400 shares
Change Vs. Previous Month
+12,572.41%
Dollar Volume Sold Short
$1.36 billion
Short Interest Ratio
1.8 Days to Cover
Last Record Date
July 15, 2025
Outstanding Shares
593,044,000 shares
Float Size
596,440,000 shares
Short Percent of Float
0.99%
Today's Trading Volume
4,637,305 shares
Average Trading Volume
4,972,172 shares
Today's Volume Vs. Average
93%
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Short Interest ChartDays to Cover ChartShort Percent of Float Chart

UNP Short Interest Over Time

UNP Days to Cover Over Time

UNP Percentage of Float Shorted Over Time

Union Pacific Short Interest History

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Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
7/15/20255,880,000 shares $1.36 billion +12,572.4%1.0%1.8 $231.18
6/30/202546,400 shares $10.69 million -99.3%0.0%2.7 $230.29
6/15/20256,650,000 shares $1.48 billion +11.0%1.1%2 $223.17
5/31/20255,990,000 shares $1.33 billion -8.0%1.0%1.8 $221.44
5/15/20256,510,000 shares $1.50 billion -19.5%1.1%2.1 $230.55
4/30/20258,090,000 shares $1.75 billion +37.4%1.4%2.7 $215.90
4/15/20255,890,000 shares $1.30 billion -3.3%1.0%1.9 $220.01
3/31/20256,090,000 shares $1.44 billion -18.0%1.0%2.1 $236.37
3/15/20257,430,000 shares $1.77 billion -3.0%1.2%2.8 $237.71
2/28/20257,660,000 shares $1.89 billion +28.3%1.3%2.8 $246.94
2/15/20255,970,000 shares $1.49 billion -4.5%1.0%2.2 $249.27
1/31/20256,250,000 shares $1.55 billion +22.3%1.0%2.3 $247.85
1/15/20255,110,000 shares $1.18 billion -5.2%0.8%1.9 $231.00
12/31/20245,390,000 shares $1.23 billion -5.3%0.9%2.1 $228.04
12/15/20245,690,000 shares $1.34 billion -0.5%0.9%2.2 $234.98
11/30/20245,720,000 shares $1.40 billion +21.2%1.0%2.3 $244.66
11/15/20244,720,000 shares $1.11 billion -5.8%0.8%1.9 $235.57
10/31/20245,010,000 shares $1.16 billion +30.8%0.8%2.1 $232.07
10/15/20243,830,000 shares $941.38 million -9.9%0.6%1.7 $245.79
9/30/20244,250,000 shares $1.05 billion -5.8%0.7%1.9 $246.48
9/15/20244,510,000 shares $1.12 billion -7.0%0.7%2 $249.12
8/31/20244,850,000 shares $1.24 billion +12.3%0.8%2.2 $256.09
8/15/20244,320,000 shares $1.05 billion -0.9%0.7%1.9 $243.71
7/31/20244,360,000 shares $1.08 billion -10.8%0.7%1.9 $246.73
7/15/20244,890,000 shares $1.15 billion -3.0%0.8%2.1 $235.99
6/30/20245,040,000 shares $1.14 billion -5.8%0.8%2.3 $226.26
6/15/20245,350,000 shares $1.19 billion +26.5%0.9%2.4 $222.10
5/31/20244,230,000 shares $985.89 million -1.9%0.7%1.9 $233.07
5/15/20244,310,000 shares $1.06 billion +3.6%0.7%2 $246.56
4/30/20244,160,000 shares $986.46 million -12.1%0.7%1.9 $237.13
4/15/20244,730,000 shares $1.11 billion +5.4%0.8%2.1 $233.94
3/31/20244,490,000 shares $1.10 billion -5.3%0.7%1.9 $245.93
3/15/20244,740,000 shares $1.16 billion +15.6%0.8%2.1 $244.13
2/29/20244,100,000 shares $1.04 billion -17.7%0.7%1.7 $253.69
2/15/20244,980,000 shares $1.25 billion No Change0.8%2 $250.59
1/31/20244,980,000 shares $1.21 billion +4.6%0.8%2 $243.93
1/15/20244,760,000 shares $1.13 billion -37.9%0.8%1.9 $237.71
12/31/20237,660,000 shares $1.88 billion +3.2%1.3%3.1 $245.62
12/15/20237,420,000 shares $1.80 billion +12.3%1.2%3 $241.98
11/30/20236,610,000 shares $1.49 billion +0.8%1.1%2.7 $225.27
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11/15/20236,560,000 shares $1.43 billion +7.4%1.1%2.8 $218.08
10/31/20236,110,000 shares $1.27 billion -6.9%1.0%2.6 $207.62
10/15/20236,560,000 shares $1.36 billion +0.6%1.1%2.4 $207.75
9/30/20236,520,000 shares $1.33 billion +22.6%1.1%2.5 $203.63
9/15/20235,320,000 shares $1.13 billion +16.7%0.9%2 $213.26
8/31/20234,560,000 shares $1.01 billion -18.9%0.8%1.7 $220.57
8/15/20235,620,000 shares $1.27 billion -0.9%0.9%2.1 $225.53
7/31/20235,670,000 shares $1.32 billion +26.9%0.9%2.1 $232.02
7/15/20234,470,000 shares $943.13 million +12.6%0.7%1.8 $210.99
6/30/20233,970,000 shares $812.34 million -11.8%0.7%1.6 $204.62
6/15/20234,500,000 shares $926.64 million +8.7%0.7%1.7 $205.92
5/31/20234,140,000 shares $797.03 million -3.9%0.7%1.4 $192.52
5/15/20234,310,000 shares $860.45 million -4.9%0.7%1.3 $199.64
4/30/20234,530,000 shares $886.52 million -12.9%0.7%1.3 $195.70
4/15/20235,200,000 shares $1.03 billion -11.6%0.9%1.4 $198.53
3/31/20235,880,000 shares $1.18 billion +14.8%1.0%1.6 $201.26
3/15/20235,120,000 shares $983.24 million -29.5%0.8%1.5 $192.04
2/28/20237,260,000 shares $1.50 billion +50.0%1.2%2.3 $207.28
2/15/20234,840,000 shares $983.05 million -3.2%0.8%1.6 $203.11
1/31/20235,000,000 shares $1.02 billion -4.0%0.8%1.7 $204.19
1/15/20235,210,000 shares $1.11 billion -9.1%0.9%1.7 $213.23
12/30/20225,730,000 shares $1.19 billion +1.4%0.9%1.9 $207.07
12/15/20225,650,000 shares $1.20 billion +2.0%0.9%1.7 $212.31
11/30/20225,540,000 shares $1.20 billion -7.1%0.9%1.6 $217.43
11/15/20225,960,000 shares $1.26 billion +4.8%1.0%1.8 $210.66
10/31/20225,690,000 shares $1.12 billion -3.6%0.9%1.9 $197.14
10/15/20225,900,000 shares $1.14 billion +12.0%1.0%2.1 $193.79
9/30/20225,270,000 shares $1.03 billion -9.1%0.9%2 $194.82
9/15/20225,800,000 shares $1.27 billion +15.3%0.9%2.3 $218.36
8/31/20225,030,000 shares $1.13 billion -12.1%0.8%2.1 $224.51
8/15/20225,720,000 shares $1.36 billion +0.7%0.9%2.3 $238.17
7/31/20225,680,000 shares $1.29 billion +2.2%0.9%2.1 $227.30
7/15/20225,560,000 shares $1.16 billion +2.2%0.9%1.9 $209.13
6/30/20225,440,000 shares $1.16 billion -13.8%N/A1.8 $213.28
6/15/20226,310,000 shares $1.32 billion -2.9%N/A1.9 $209.84
5/31/20226,500,000 shares $1.43 billion -9.9%1.0%1.9 $219.78
5/15/20227,210,000 shares $1.66 billion +16.1%1.2%1.9 $230.76
4/30/20226,210,000 shares $1.45 billion -8.4%1.0%1.6 $234.29
4/15/20226,780,000 shares $1.67 billion -17.1%1.1%1.8 $246.21
3/31/20228,180,000 shares $2.23 billion -17.2%1.3%2.1 $273.21
3/15/20229,880,000 shares $2.57 billion -3.0%1.6%2.9 $260.13
2/28/202210,180,000 shares $2.50 billion +42.8%1.6%3.2 $245.95
2/15/20227,130,000 shares $1.78 billion -10.5%1.1%2.4 $249.32
1/31/20227,970,000 shares $1.95 billion -0.6%1.3%2.9 $244.55
1/15/20228,020,000 shares $1.98 billion -7.2%1.3%3 $246.27
12/31/20218,640,000 shares $2.18 billion +7.6%1.4%3.5 $251.93
12/15/20218,030,000 shares $1.98 billion -3.4%1.3%3 $247.12
11/30/20218,310,000 shares $1.96 billion +8.3%1.3%2.8 $235.64
11/15/20217,670,000 shares $1.85 billion -8.1%1.2%2.5 $241.46
10/29/20218,350,000 shares $2.02 billion +4.1%1.3%2.8 $241.40
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10/15/20218,020,000 shares $1.81 billion +14.7%1.3%2.6 $225.16
9/30/20216,990,000 shares $1.37 billion -11.3%1.1%2.2 $196.01
9/15/20217,880,000 shares $1.61 billion +32.7%1.2%2.6 $204.25
8/31/20215,940,000 shares $1.29 billion -11.5%0.9%2.1 $216.84
8/13/20216,710,000 shares $1.53 billion +25.2%1.0%2.5 $227.80
7/30/20215,360,000 shares $1.17 billion +28.9%0.8%2 $218.76
7/15/20214,160,000 shares $914.95 million -23.0%0.6%1.5 $219.94
6/30/20215,400,000 shares $1.19 billion -28.4%0.8%2 $219.93
6/15/20217,540,000 shares $1.68 billion -15.0%1.1%2.9 $222.84
5/28/20218,870,000 shares $1.99 billion +41.9%1.3%3.4 $224.73
5/14/20216,250,000 shares $1.41 billion -7.7%0.9%2.3 $225.18
4/30/20216,770,000 shares $1.52 billion -17.4%1.0%2.4 $224.48
4/15/20218,200,000 shares $1.83 billion +13.4%1.2%2.8 $222.60
3/31/20217,230,000 shares $1.60 billion -12.3%1.1%2.4 $221.13
3/15/20218,240,000 shares $1.76 billion +64.8%1.2%2.8 $214.09
2/26/20215,000,000 shares $1.04 billion -5.8%0.7%1.8 $208.67
2/12/20215,310,000 shares $1.10 billion -1.3%0.8%2 $207.23
1/29/20215,380,000 shares $1.08 billion -6.6%0.8%2 $201.29
1/15/20215,760,000 shares $1.25 billion +5.7%0.9%2 $216.16
12/31/20205,450,000 shares $1.12 billion -3.2%0.8%1.9 $205.98
12/15/20205,630,000 shares $1.11 billion +15.1%0.8%2 $198.00
11/30/20204,890,000 shares $1.01 billion +28.0%0.7%1.7 $205.64
10/30/20204,550,000 shares $800.98 million +4.6%0.7%1.6 $176.04
10/15/20204,350,000 shares $890.92 million +13.0%0.7%1.6 $204.81
9/30/20203,850,000 shares $757.95 million -3.0%N/A1.5 $196.87
9/15/20203,970,000 shares $803.41 million -10.8%0.6%1.4 $202.37
8/31/20204,450,000 shares $856.36 million -13.9%0.7%1.5 $192.44
8/14/20205,170,000 shares $992.23 million +9.1%0.8%1.6 $191.92

UNP Short Interest - Frequently Asked Questions

What is Union Pacific's current short interest?

Short interest is the volume of Union Pacific shares that have been sold short but have not yet been covered or closed out. As of July 15th, traders have sold 5,880,000 shares of UNP short. 0.99% of Union Pacific's shares are currently sold short. Learn More on Union Pacific's current short interest.

What is a good short interest ratio for Union Pacific?

The short interest ratio, also known as the "days to cover ratio", is calculated by dividing the number of shares of a stock sold short divided by its average trading volume. A short interest ratio ranging between 1 and 4 generally indicates strong positive sentiment about a stock and a lack of short sellers. A short interest ratio of 10 or greater indicates strong pessimism about a stock. UNP shares currently have a short interest ratio of 2.0. Learn More on Union Pacific's short interest ratio.

Which institutional investors are shorting Union Pacific?

As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Union Pacific: Portman Square Capital LLP, Allianz Asset Management GmbH, IMC Chicago LLC, CenterStar Asset Management LLC, Quaker Wealth Management LLC, Jane Street Group LLC, Goldman Sachs Group Inc., Millennium Management LLC, Cubist Systematic Strategies LLC, Nomura Holdings Inc., BNP Paribas Financial Markets, Eisler Capital Management Ltd., PEAK6 LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Garda Capital Partners LP, Hsbc Holdings PLC, Maven Securities LTD, Marathon Trading Investment Management LLC, Simplex Trading LLC, Covestor Ltd, JPMorgan Chase & Co., Wolverine Asset Management LLC, Citigroup Inc., Delta Accumulation LLC, Bank of Nova Scotia, Readystate Asset Management LP, and Allianz Asset Management GmbH. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission.

What is a good short interest percentage for Union Pacific?

Companies that have a short interest as a percentage of float below 10% indicates positive investor sentiment and few short sellers. Stocks with a short interest percentage above 10% is considered high, suggesting some investors are pessimistic about the stock. Companies with a short interest percentage of 20% or more indicates widespread negative sentiment. 0.99% of Union Pacific's floating shares are currently sold short.

Is Union Pacific's short interest increasing or decreasing?

Union Pacific saw a increase in short interest in the month of July. As of July 15th, there was short interest totaling 5,880,000 shares, an increase of 12,572.4% from the previous total of 46,400 shares. Changes in short volume can be used to identify positive and negative investor sentiment. Investors that short sell a stock are betting that its price will decline in the future. An increase in short sale volume suggests bearish (negative) sentiment among investors. A decrease on short sale volume suggests bullish (positive) sentiment.

What is Union Pacific's float size?

Union Pacific currently has issued a total of 593,044,000 shares. Some of Union Pacific's outstanding shares are available for trading, while others are subject to various restrictions. The public float, also referred to as floating shares or "the float", are shares that publicly owned, unrestricted and available to trade on the open market. Union Pacific currently has a public float of 596,440,000 shares.

How does Union Pacific's short interest compare to its competitors?

0.99% of Union Pacific's shares are currently sold short. Here is how the short interest of companies in the sector of "transportation" compare to Union Pacific: American Airlines Group Inc. (10.04%), CSX Corporation (1.26%), J.B. Hunt Transport Services, Inc. (3.67%), Canadian National Railway Company (0.99%), Canadian Pacific Kansas City Limited (1.53%), Norfolk Southern Corporation (1.18%), United Parcel Service, Inc. (1.82%), Rail Vision Ltd. (0.59%), FedEx Corporation (1.65%), Delta Air Lines, Inc. (3.48%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: Coinbase Global, Inc. ($5.11 billion), Charter Communications, Inc. ($4.76 billion), Reddit Inc. ($2.84 billion), SoFi Technologies, Inc. ($2.79 billion), Seagate Technology Holdings PLC ($2.79 billion), Live Nation Entertainment, Inc. ($2.67 billion), Rocket Lab Corporation ($2.49 billion), AST SpaceMobile, Inc. ($2.12 billion), Moderna, Inc. ($2.09 billion), and Omnicom Group Inc. ($2.04 billion). View all of the most shorted stocks.

What does it mean to sell short Union Pacific stock?

Short selling UNP is an investing strategy that aims to generate trading profit from Union Pacific as its price is falling. UNP shares are trading down $2.66 today. To short a stock, an investor borrows shares, sells them and buys the shares back on the public market later to return it to the lender. Short sellers are betting that a stock will decline in price. If the stock does drop after selling, the short seller buys it back at a lower price and returns it to the lender. The difference between the sell price and the buy price is the trader's profit.

How does a short squeeze work against Union Pacific?

A short squeeze for Union Pacific occurs when it has a large amount of short interest and its stock increases in price. This forces short sellers to cover their short interest positions by buying actual shares of UNP, which in turn drives the price of the stock up even further.

How often is Union Pacific's short interest reported?

Short interest is typically published by a stock exchange once per month. However, NASDAQ publishes a report for U.S. stocks, including UNP, twice per month. The most recent reporting period available is July, 15 2025.



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This page (NYSE:UNP) was last updated on 8/2/2025 by MarketBeat.com Staff
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