Free Trial

White Mountains Insurance Group (WTM) Short Interest Ratio & Short Volume

White Mountains Insurance Group logo
$1,769.16 +14.12 (+0.80%)
As of 10:30 AM Eastern

White Mountains Insurance Group Short Interest Data

White Mountains Insurance Group (WTM) has a short interest of 53,300 shares, representing 2.14% of the float (the number of shares available for trading by the public). This marks a -2.91% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.0, indicating that it would take 3.0 days of the average trading volume of 14,410 shares to cover all short positions.

Current Short Interest
53,300 shares
Previous Short Interest
54,900 shares
Change Vs. Previous Month
-2.91%
Dollar Volume Sold Short
$95.25 million
Short Interest Ratio
3.0 Days to Cover
Last Record Date
May 31, 2025
Outstanding Shares
2,574,000 shares
Float Size
2,490,000 shares
Short Percent of Float
2.14%
Today's Trading Volume
19,290 shares
Average Trading Volume
14,410 shares
Today's Volume Vs. Average
134%
Short Selling White Mountains Insurance Group?
cover of A Guide to High-Short-Interest Stocks and How to Trade Them ebook

Sign up to receive the latest short interest report for White Mountains Insurance Group and its competitors with MarketBeat's FREE newsletter.

Skip Charts & View Short Interest History

WTM Short Interest Over Time

WTM Days to Cover Over Time

WTM Percentage of Float Shorted Over Time

White Mountains Insurance Group Short Interest History

Report DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date
5/31/202553,300 shares $95.25 million -2.9%2.1%3 $1,787.08
5/15/202554,900 shares $98.60 million +2.8%2.2%3.3 $1,796.00
4/30/202553,400 shares $94.07 million +0.2%2.1%3.4 $1,761.52
4/15/202553,300 shares $93.77 million -0.7%2.1%3.4 $1,759.36
3/31/202553,700 shares $103.54 million -22.2%2.2%3.3 $1,928.06
3/15/202569,000 shares $130.05 million +17.2%2.8%4.8 $1,884.83
2/28/202558,900 shares $108.78 million +13.5%2.4%4.1 $1,846.93
2/15/202551,900 shares $95.29 million -1.1%2.1%4 $1,835.97
1/31/202552,500 shares $101.19 million +25.0%2.1%3.9 $1,927.41
1/15/202542,000 shares $78.62 million -10.3%1.7%3.2 $1,871.80
12/31/202446,800 shares $91.03 million +30.0%1.9%3.9 $1,945.06
12/15/202436,000 shares $70.37 million +5.9%1.5%3.1 $1,954.60
11/30/202434,000 shares $68.34 million -13.7%1.4%3.1 $2,009.99
11/15/202439,400 shares $75.60 million -9.0%1.6%3.5 $1,918.90
10/31/202443,300 shares $77.82 million +3.6%1.7%3.9 $1,797.14
10/15/202441,800 shares $76.49 million +2.2%1.7%4.1 $1,829.85
9/30/202440,900 shares $69.37 million +9.1%1.6%3.9 $1,696.20
9/15/202437,500 shares $64.71 million -2.6%1.5%2.8 $1,725.49
8/31/202438,500 shares $71.00 million -7.0%1.6%2.7 $1,844.24
8/15/202441,400 shares $70.59 million +6.7%1.7%2.9 $1,705.00
7/31/202438,800 shares $69.38 million -13.6%1.6%2.7 $1,788.23
7/15/202444,900 shares $77.59 million +15.7%1.8%3.1 $1,728.09
6/30/202438,800 shares $70.52 million +14.5%1.6%2.8 $1,817.45
6/15/202433,900 shares $59.61 million -6.1%1.4%2.9 $1,758.44
5/31/202436,100 shares $65.14 million +15.3%1.5%3.9 $1,804.43
5/15/202431,300 shares $55.40 million -16.8%1.3%3.6 $1,770.00
4/30/202437,600 shares $66.86 million +1.9%1.5%4.4 $1,778.14
4/15/202436,900 shares $62.35 million +11.1%1.5%4.3 $1,689.73
3/31/202433,200 shares $59.57 million +9.9%1.3%4 $1,794.30
3/15/202430,200 shares $54.03 million -10.1%1.2%3.6 $1,789.00
2/29/202433,600 shares $59.47 million -0.9%1.4%3.8 $1,770.00
2/15/202433,900 shares $59.43 million +22.4%1.4%3.9 $1,753.00
1/31/202427,700 shares $43.65 million -6.7%1.1%3.1 $1,575.97
1/15/202429,700 shares $45.48 million -7.5%1.2%3.4 $1,531.45
12/31/202332,100 shares $48.31 million -14.9%1.3%3.5 $1,505.01
12/15/202337,700 shares $54.20 million +5.3%1.5%3.7 $1,437.78
11/30/202335,800 shares $54.84 million +0.6%1.4%3.7 $1,531.92
11/15/202335,600 shares $52.19 million -0.6%1.4%3.8 $1,466.05
10/31/202335,800 shares $51.20 million -4.3%1.4%3.8 $1,430.10
10/15/202337,400 shares $55.42 million +7.5%1.5%4.2 $1,481.90
The End of Elon Musk…? (Ad)

The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, and he's been proven right time and time again. And now, while the media focuses on Tesla's "demise," he's uncovered an AI breakthrough that's about to make Elon's doubters eat their words yet again. According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.

Click here to see why the "End of Elon" crowd is about to be wrong again.
9/30/202334,800 shares $52.05 million +6.8%1.4%4 $1,495.69
9/15/202332,600 shares $51.25 million +2.5%1.3%4 $1,572.20
8/31/202331,800 shares $50.52 million +11.2%1.3%3.9 $1,588.69
8/15/202328,600 shares $44.39 million -2.1%1.2%3.3 $1,552.03
7/31/202329,200 shares $45.13 million +13.6%1.2%3.5 $1,545.67
7/15/202325,700 shares $38.58 million +9.8%1.0%2.7 $1,501.07
6/30/202323,400 shares $32.45 million +19.4%0.9%2.4 $1,386.90
6/15/202319,600 shares $27.34 million -1.0%0.8%2 $1,394.71
5/31/202319,800 shares $26.81 million -1.5%0.8%1.8 $1,354.19
5/15/202320,100 shares $28.39 million -22.4%0.8%1.8 $1,412.68
4/30/202325,900 shares $37.09 million No Change1.0%2.3 $1,432.14
4/15/202325,900 shares $36.52 million -13.1%1.0%2.2 $1,410.19
3/31/202329,800 shares $41.05 million +2.8%1.2%2.7 $1,377.49
3/15/202329,000 shares $38.74 million -15.2%1.2%2.6 $1,335.79
2/28/202334,200 shares $49.37 million -3.9%1.4%3.1 $1,443.57
2/15/202335,600 shares $54.00 million +4.1%1.4%3.2 $1,516.83
1/31/202334,200 shares $52.26 million -9.5%1.4%3.1 $1,527.96
1/15/202337,800 shares $54.30 million -1.8%1.5%3.5 $1,436.42
12/30/202238,500 shares $54.45 million +4.3%1.5%3.7 $1,414.33
12/15/202236,900 shares $49.53 million No Change1.5%3.2 $1,342.19
11/30/202236,900 shares $50.14 million -18.0%1.5%2.7 $1,358.86
11/15/202245,000 shares $59.44 million -7.8%1.8%3.1 $1,320.85
10/31/202248,800 shares $69.11 million -10.5%1.9%3.3 $1,416.15
10/15/202254,500 shares $73.95 million +1.5%1.9%3.6 $1,356.83
9/30/202253,700 shares $69.97 million +7.2%1.9%3.4 $1,303.02
9/15/202250,100 shares $68.94 million -2.0%1.8%3 $1,376.00
8/31/202251,100 shares $70.01 million +13.8%1.8%3.3 $1,370.00
8/15/202244,900 shares $58.17 million -9.3%1.5%3.1 $1,295.49
7/31/202249,500 shares $61.35 million +12.5%1.6%3.1 $1,239.43
7/15/202244,000 shares $54.81 million -10.9%1.5%2.7 $1,245.58
6/30/202249,400 shares $61.56 million +12.3%1.6%3 $1,246.13
6/15/202244,000 shares $54.63 million -11.1%1.5%2.7 $1,241.70
5/31/202249,500 shares $61.62 million +14.9%1.7%3.3 $1,244.86
5/15/202243,100 shares $50.15 million +5.6%1.5%2.7 $1,163.49
4/30/202240,800 shares $42.76 million -7.7%1.4%2.6 $1,048.02
4/15/202244,200 shares $47.42 million -0.9%1.5%2.8 $1,072.91
3/31/202244,600 shares $50.68 million -19.2%1.5%2.8 $1,136.24
3/15/202255,200 shares $58.82 million +44.1%1.9%3.6 $1,065.59
2/28/202238,300 shares $40.22 million +2.1%1.3%2.3 $1,050.20
2/15/202237,500 shares $39.58 million +30.7%1.3%2.2 $1,055.54
1/31/202228,700 shares $29.88 million +19.6%1.0%1.8 $1,040.96
1/15/202224,000 shares $25.03 million +22.5%0.8%1.6 $1,043.01
12/31/202119,600 shares $19.87 million -21.0%0.7%1.4 $1,013.90
12/15/202124,800 shares $25.11 million +5.5%0.8%1.7 $1,012.31
11/30/202123,500 shares $23.57 million -13.0%0.8%1.7 $1,002.90
11/15/202127,000 shares $29.56 million -17.9%0.9%2 $1,094.69
10/29/202132,900 shares $34.71 million -4.6%1.1%2.3 $1,054.99
10/15/202134,500 shares $38.00 million +0.3%1.1%2.4 $1,101.46
9/30/202134,400 shares $36.79 million +29.8%1.1%2.2 $1,069.61
9/15/202126,500 shares $28.52 million +25.6%0.9%1.8 $1,076.39
The End of Elon Musk…? (Ad)

The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, and he's been proven right time and time again. And now, while the media focuses on Tesla's "demise," he's uncovered an AI breakthrough that's about to make Elon's doubters eat their words yet again. According to his research, if you listen to the media and miss out on Elon's newest breakthrough, it's going to cost you the fortune of a lifetime.

Click here to see why the "End of Elon" crowd is about to be wrong again.
8/31/202121,100 shares $23.65 million -21.3%0.7%1.4 $1,120.81
8/13/202126,800 shares $30.12 million -3.6%0.9%1.8 $1,123.99
7/30/202127,800 shares $31.46 million -8.6%0.9%1.6 $1,131.57
7/15/202130,400 shares $33.97 million -1.6%1.0%1.7 $1,117.39
6/30/202130,900 shares $35.47 million No Change1.0%1.6 $1,148.03
6/15/202130,900 shares $35.31 million -2.2%1.0%1.4 $1,142.57
5/28/202131,600 shares $37.71 million -14.1%1.0%1.3 $1,193.36
5/14/202136,800 shares $43.61 million +2.2%1.2%1.1 $1,185.00
4/30/202136,000 shares $42.35 million +10.1%1.2%1.1 $1,176.41
4/15/202132,700 shares $37.47 million -7.9%1.1%1 $1,145.84
3/31/202135,500 shares $39.63 million +34.5%1.2%1.1 $1,116.30
3/15/202126,400 shares $31.15 million +27.5%0.9%0.8 $1,179.99
2/26/202120,700 shares $24.83 million -28.6%0.7%0.8 $1,199.71
2/12/202129,000 shares $33.58 million +34.3%1.0%1.8 $1,158.07
1/29/202121,600 shares $22.51 million +18.0%0.7%1.4 $1,042.26
1/15/202118,300 shares $18.59 million -8.5%0.6%1.2 $1,016.00
12/31/202020,000 shares $19.97 million -0.5%0.7%1.4 $998.30
12/15/202020,100 shares $19.85 million -14.1%0.7%1.2 $987.49
11/30/202023,400 shares $22.51 million -0.9%0.8%1.4 $962.01
10/30/202027,200 shares $24.96 million -5.2%0.9%1.7 $917.50
10/15/202028,700 shares $25.33 million +12.1%1.0%1.9 $882.45
9/30/202025,600 shares $19.94 million -13.2%0.9%1.9 $779.00
9/15/202029,500 shares $24.25 million +34.1%1.0%2.2 $822.20
8/31/202022,000 shares $19.61 million -40.5%0.7%1.4 $891.40
8/14/202037,000 shares $33.65 million -3.9%1.2%2.3 $909.35
7/31/202038,500 shares $33.89 million +5.5%1.3%2.3 $880.13
7/15/202036,500 shares $31.54 million +8.3%1.2%2 $864.23
6/30/202033,700 shares $29.69 million +11.6%1.1%1.7 $881.00
6/15/202030,200 shares $25.03 million +16.6%1.0%1.5 $828.77

WTM Short Interest - Frequently Asked Questions

What is White Mountains Insurance Group's current short interest?

Short interest is the volume of White Mountains Insurance Group shares that have been sold short but have not yet been closed out or covered. As of May 31st, traders have sold 53,300 shares of WTM short. 2.14% of White Mountains Insurance Group's shares are currently sold short. Learn More on White Mountains Insurance Group's current short interest.

What is a good short interest ratio for White Mountains Insurance Group?

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. WTM shares currently have a short interest ratio of 3.0. Learn More on White Mountains Insurance Group's short interest ratio.

What is a good short interest percentage for White Mountains Insurance Group?

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. 2.14% of White Mountains Insurance Group's floating shares are currently sold short.

Is White Mountains Insurance Group's short interest increasing or decreasing?

White Mountains Insurance Group saw a drop in short interest during the month of May. As of May 31st, there was short interest totaling 53,300 shares, a drop of 2.9% from the previous total of 54,900 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 White Mountains Insurance Group's float size?

White Mountains Insurance Group currently has issued a total of 2,574,000 shares. Some of White Mountains Insurance Group'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. White Mountains Insurance Group currently has a public float of 2,490,000 shares.

How does White Mountains Insurance Group's short interest compare to its competitors?

2.14% of White Mountains Insurance Group's shares are currently sold short. Here is how the short interest of companies compare to White Mountains Insurance Group: Erie Indemnity (6.16%), Fidelity National Financial, Inc. (1.36%), CNA Financial Co. (0.50%), Old Republic International Co. (1.83%), AXIS Capital Holdings Limited (2.37%), RLI Corp. (2.01%), The Hanover Insurance Group, Inc. (1.62%), First American Financial Co. (1.30%), Selective Insurance Group, Inc. (2.84%), Assured Guaranty Ltd. (2.28%),

Which stocks are the most shorted right now?

As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks.

What does it mean to sell short White Mountains Insurance Group stock?

Short selling WTM is an investing strategy that aims to generate trading profit from White Mountains Insurance Group as its price is falling. WTM shares are trading up $14.12 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 White Mountains Insurance Group?

A short squeeze for White Mountains Insurance Group 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 WTM, which in turn drives the price of the stock up even further.

How often is White Mountains Insurance Group'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 WTM, twice per month. The most recent reporting period available is May, 31 2025.




This page (NYSE:WTM) was last updated on 6/12/2025 by MarketBeat.com Staff
From Our Partners