NMI (NMIH) Short Interest Ratio & Short Volume $40.58 -0.02 (-0.05%) As of 12:01 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock NMI Short Interest DataNMI (NMIH) has a short interest of 1.75 million shares, representing 2.29% of the float (the number of shares available for trading by the public). This marks a -13.79% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.6, indicating that it would take 2.6 days of the average trading volume of 554,607 shares to cover all short positions.Current Short Interest1,750,000 sharesPrevious Short Interest2,030,000 sharesChange Vs. Previous Month-13.79%Dollar Volume Sold Short$69.53 millionShort Interest Ratio2.6 Days to CoverLast Record DateMay 31, 2025Outstanding Shares78,123,000 sharesFloat Size76,520,000 sharesShort Percent of Float2.29%Today's Trading Volume79,927 sharesAverage Trading Volume554,607 sharesToday's Volume Vs. Average14% Short Selling NMI? Sign up to receive the latest short interest report for NMI and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartNMIH Short Interest Over TimeNMIH Days to Cover Over TimeNMIH Percentage of Float Shorted Over Time NMI Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/20251,750,000 shares $69.53 million -13.8%2.3%2.6 $39.73 5/15/20252,030,000 shares $76.43 million +18.7%2.7%3 $37.65 4/30/20251,710,000 shares $61.85 million +19.6%2.2%2.5 $36.17 4/15/20251,430,000 shares $48.76 million -16.9%1.9%2.4 $34.10 3/31/20251,720,000 shares $62.01 million +15.4%2.3%3.1 $36.05 3/15/20251,490,000 shares $52.75 million +12.9%1.9%2.9 $35.40 2/28/20251,320,000 shares $48.10 million +4.8%1.7%2.6 $36.44 2/15/20251,260,000 shares $44.74 million No Change1.6%2.6 $35.51 1/31/20251,260,000 shares $48.66 million -2.3%1.6%2.6 $38.62 1/15/20251,290,000 shares $47.46 million -3.7%1.7%2.7 $36.79 Get the Latest News and Ratings for NMIH and Related StocksEnter your email address below to receive the latest news and analysts' ratings for NMI and its competitors with MarketBeat's FREE daily newsletter. 12/31/20241,340,000 shares $49.26 million +6.4%1.7%2.8 $36.76 12/15/20241,260,000 shares $47.84 million -15.4%1.6%2.6 $37.97 11/30/20241,490,000 shares $59.59 million -11.3%1.9%2.9 $39.99 11/15/20241,680,000 shares $63.20 million +7.7%2.2%3.3 $37.62 10/31/20241,560,000 shares $60.34 million -1.3%2.0%3.1 $38.68 10/15/20241,580,000 shares $65.06 million +1.9%2.0%3 $41.18 9/30/20241,550,000 shares $63.84 million +6.2%2.0%2.8 $41.19 9/15/20241,460,000 shares $59.96 million +9.0%1.9%2.5 $41.07 8/31/20241,340,000 shares $55.03 million +9.8%1.7%2.5 $41.07 8/15/20241,220,000 shares $46.37 million -5.4%1.6%2.3 $38.01 7/31/20241,290,000 shares $50.76 million -5.2%1.7%2.5 $39.35 7/15/20241,360,000 shares $49.79 million -16.1%1.7%2.7 $36.61 6/30/20241,620,000 shares $55.14 million +14.1%2.1%3.2 $34.04 6/15/20241,420,000 shares $45.11 million -13.9%1.8%2.7 $31.77 5/31/20241,650,000 shares $54.75 million -3.5%2.1%3.1 $33.18 5/15/20241,710,000 shares $57.47 million No Change2.2%3.1 $33.61 4/30/20241,710,000 shares $52.77 million +16.3%2.2%2.8 $30.86 4/15/20241,470,000 shares $43.57 million +7.3%1.9%2.6 $29.64 3/31/20241,370,000 shares $44.31 million -23.5%1.7%2.4 $32.34 3/15/20241,790,000 shares $53.72 million +21.0%2.3%3.4 $30.01 2/29/20241,480,000 shares $44.52 million +5.0%1.9%2.8 $30.08 2/15/20241,410,000 shares $41.99 million -15.6%1.8%2.8 $29.78 1/31/20241,670,000 shares $53.31 million +35.8%2.1%3.4 $31.92 1/15/20241,230,000 shares $36.38 million -14.0%1.6%2.5 $29.58 12/31/20231,430,000 shares $42.44 million -18.8%1.8%2.9 $29.68 12/15/20231,760,000 shares $50.62 million +16.6%2.2%3.1 $28.76 11/30/20231,510,000 shares $41.53 million +31.3%1.9%2.7 $27.50 11/15/20231,150,000 shares $32.94 million +29.5%1.5%2.1 $28.64 10/31/2023888,400 shares $24.30 million +7.3%1.1%1.7 $27.35 10/15/2023827,700 shares $22.19 million -6.8%1.0%1.5 $26.81Elon’s NEXT Big IPO? 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But you may only have this chance if you act before December 31st, 2025.One that experts predict could be worth over $3.2 TRILLION globally by 2030. 9/30/2023888,500 shares $24.07 million +30.8%1.1%1.7 $27.09 9/15/2023679,500 shares $19.08 million +4.5%0.8%1.6 $28.08 8/31/2023650,400 shares $18.61 million -36.9%0.8%1.5 $28.62 8/15/20231,030,000 shares $30.20 million +46.1%1.3%2.5 $29.32 7/31/2023704,900 shares $18.83 million +14.1%0.9%1.7 $26.71 7/15/2023617,800 shares $16.29 million +2.4%0.8%1.7 $26.37 6/30/2023603,200 shares $15.57 million -18.2%0.7%1.7 $25.82 6/15/2023737,000 shares $18.73 million +6.6%0.9%2 $25.42 5/31/2023691,300 shares $17.39 million +4.8%0.9%1.8 $25.15 5/15/2023659,400 shares $15.79 million +1.0%0.8%1.7 $23.94 4/30/2023653,000 shares $15.28 million -0.7%0.8%1.7 $23.40 4/15/2023657,800 shares $15.38 million -12.8%0.8%1.7 $23.38 3/31/2023754,400 shares $16.85 million -24.6%0.9%2 $22.33 3/15/20231,000,000 shares $21.58 million -9.1%1.2%2.6 $21.58 2/28/20231,100,000 shares $25.67 million +7.8%1.3%2.9 $23.34 2/15/20231,020,000 shares $24.35 million +15.2%1.2%2.8 $23.87 1/31/2023885,800 shares $20.58 million +9.9%1.1%2.5 $23.23 1/15/2023806,300 shares $17.34 million -15.8%1.0%2.1 $21.50 12/30/2022957,700 shares $20.02 million -20.2%1.2%2.3 $20.90 12/15/20221,200,000 shares $24.01 million +42.8%1.5%2.6 $20.01 11/30/2022840,600 shares $18.10 million -15.2%1.0%1.9 $21.53 11/15/2022990,800 shares $21.35 million -28.2%1.2%2.2 $21.55 10/31/20221,380,000 shares $30.26 million -8.0%1.7%3 $21.93 10/15/20221,500,000 shares $30.87 million +19.1%1.8%3.3 $20.58 9/30/20221,260,000 shares $25.67 million +9.6%1.5%2.9 $20.37 9/15/20221,150,000 shares $24.08 million -2.5%1.4%2.6 $20.94 8/31/20221,180,000 shares $24.23 million -16.3%1.4%2.5 $20.53 8/15/20221,410,000 shares $31.60 million No Change1.7%2.7 $22.41 7/31/20221,410,000 shares $26.71 million +10.2%2.2%2.4 $18.94 7/15/20221,280,000 shares $22.00 million +8.5%2.0%2 $17.19 6/30/20221,180,000 shares $19.65 million -4.1%1.8%1.7 $16.65 6/15/20221,230,000 shares $20.77 million -3.9%1.9%1.7 $16.89 5/31/20221,280,000 shares $23.82 million -16.9%1.5%1.9 $18.61 5/15/20221,540,000 shares $27.17 million -14.0%1.8%2.2 $17.64 4/30/20221,790,000 shares $32.90 million +9.2%2.1%2.6 $18.38 4/15/20221,640,000 shares $31.78 million +1.9%1.9%2.3 $19.38 3/31/20221,610,000 shares $33.20 million -17.9%1.9%2.2 $20.62 3/15/20221,960,000 shares $41.43 million +21.7%2.3%2.7 $21.14 2/28/20221,610,000 shares $37.26 million -1.8%1.9%2.1 $23.14 2/15/20221,640,000 shares $42.84 million +22.4%2.0%2.2 $26.12 1/31/20221,340,000 shares $33.15 million +31.4%1.6%2 $24.74 1/15/20221,020,000 shares $26.07 million +31.9%1.2%1.7 $25.56 12/31/2021773,100 shares $16.89 million +15.5%0.9%1.4 $21.85 12/15/2021669,200 shares $14.05 million -21.2%0.8%1.3 $20.99 11/30/2021848,700 shares $16.63 million +14.0%1.0%2 $19.60 11/15/2021744,700 shares $16.02 million -51.3%0.9%1.8 $21.51 10/29/20211,530,000 shares $37.15 million -14.0%1.8%3.9 $24.28 10/15/20211,780,000 shares $43.88 million -9.2%2.1%4.9 $24.65 9/30/20211,960,000 shares $44.32 million -13.3%2.3%5.1 $22.61 9/15/20212,260,000 shares $49.88 million +8.1%2.7%5.6 $22.07The Robotics Revolution has arrived … and one $7 stock could take off as a result. 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Click here to find out more. 8/31/20212,090,000 shares $47.17 million +14.2%2.5%5 $22.57 8/13/20211,830,000 shares $41.60 million -11.2%2.2%4.2 $22.73 7/30/20212,060,000 shares $45.36 million -1.0%2.4%4.3 $22.02 7/15/20212,080,000 shares $44.47 million +3.0%2.5%3.7 $21.38 6/30/20212,020,000 shares $45.41 million -13.7%2.4%3.5 $22.48 6/15/20212,340,000 shares $59.69 million +23.8%2.8%3.7 $25.51 5/28/20211,890,000 shares $45.72 million -2.1%2.2%2.9 $24.19 5/14/20211,930,000 shares $45.14 million -15.0%N/A2.5 $23.39 4/30/20212,270,000 shares $59.25 million -3.0%N/A2.7 $26.10 4/15/20212,340,000 shares $53.24 million +38.5%N/A2.9 $22.75 3/31/20211,690,000 shares $39.16 million -26.2%N/A2 $23.17 3/15/20212,290,000 shares $56.43 million -24.9%N/A2.8 $24.64 2/26/20213,050,000 shares $69.63 million +8.5%N/A3.9 $22.83 2/12/20212,810,000 shares $63.93 million -1.4%N/A3.9 $22.75 1/29/20212,850,000 shares $63.13 million -7.5%N/A4.3 $22.15 1/15/20213,080,000 shares $75.64 million -0.7%N/A4.5 $24.56 12/31/20203,100,000 shares $69.56 million -5.2%N/A4.9 $22.44 12/15/20203,270,000 shares $76.03 million +12.4%N/A4.7 $23.25 11/30/20202,910,000 shares $66.35 million -1.0%N/A3.8 $22.80 11/15/20202,940,000 shares $66.94 million -14.5%N/A3.8 $22.77 10/30/20203,440,000 shares $74.34 million -10.9%N/A4.5 $21.61 10/15/20203,860,000 shares $84.88 million +14.2%N/A4.5 $21.99 9/30/20203,380,000 shares $60.16 million +0.3%N/A3.8 $17.80 9/15/20203,370,000 shares $63.36 million +13.5%N/A3.5 $18.80 8/31/20202,970,000 shares $50.94 million -15.1%N/A2.8 $17.15 8/14/20203,500,000 shares $59.40 million -11.2%N/A2.5 $16.97 7/31/20203,940,000 shares $61.15 million +25.1%N/A2.7 $15.52 7/15/20203,150,000 shares $43.69 million -21.5%N/A2.2 $13.87 6/30/20204,010,000 shares $63.20 million +25.7%6.0%2.6 $15.76 6/15/20203,190,000 shares $54.23 million +50.5%4.7%2 $17.00 NMIH Short Interest - Frequently Asked Questions What is NMI's current short interest? Short interest is the volume of NMI shares that have been sold short but have not yet been closed out or covered. As of May 31st, traders have sold 1,750,000 shares of NMIH short. 2.29% of NMI's shares are currently sold short. Learn More on NMI's current short interest. What is a good short interest ratio for NMI? 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. NMIH shares currently have a short interest ratio of 3.0. Learn More on NMI's short interest ratio. Which institutional investors are shorting NMI? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of NMI: PEAK6 LLC, and Simplex Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for NMI? 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. 2.29% of NMI's floating shares are currently sold short. Is NMI's short interest increasing or decreasing? NMI saw a decrease in short interest in the month of May. As of May 31st, there was short interest totaling 1,750,000 shares, a decrease of 13.8% from the previous total of 2,030,000 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 NMI's float size? NMI currently has issued a total of 78,123,000 shares. Some of NMI'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. NMI currently has a public float of 76,520,000 shares. How does NMI's short interest compare to its competitors? 2.29% of NMI's shares are currently sold short. Here is how the short interest of companies in the industry of "insurance" compare to NMI: Kinsale Capital Group, Inc. (7.84%), Globe Life Inc. (1.60%), Voya Financial, Inc. (1.45%), Jackson Financial Inc. (4.78%), Essent Group Ltd. (1.98%), Enact Holdings, Inc. (10.56%), Palomar Holdings, Inc. (2.10%), The Baldwin Insurance Group, Inc. (6.61%), F&G Annuities & Life, Inc. (0.35%), Goosehead Insurance, Inc (9.17%), 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 NMI stock? Short selling NMIH is an investing strategy that aims to generate trading profit from NMI as its price is falling. NMIH shares are trading down $0.02 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 NMI? A short squeeze for NMI occurs when it has a large amount of short interest and its stock appreciates in price. This forces short sellers to cover their short interest positions by buying actual shares of NMIH, which in turn drives the price of the stock up even further. How often is NMI'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 NMIH, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies KNSL Short Interest GL Short Interest VOYA Short Interest JXN Short Interest ESNT Short Interest ACT Short Interest PLMR Short Interest BWIN Short Interest FG Short Interest GSHD Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:NMIH) was last updated on 6/13/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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