Motorcar Parts of America (MPAA) Short Interest Ratio & Short Volume $15.99 +0.21 (+1.33%) Closing price 04:00 PM EasternExtended Trading$15.99 0.00 (0.00%) As of 04:11 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. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Motorcar Parts of America Short Interest DataMotorcar Parts of America (MPAA) has a short interest of 940,200 shares, representing 6.20% of the float (the number of shares available for trading by the public). This marks a -6.91% decrease in short interest from the previous month. The short interest ratio (days to cover) is 4.5, indicating that it would take 4.5 days of the average trading volume of 153,392 shares to cover all short positions.Current Short Interest940,200 sharesPrevious Short Interest1,010,000 sharesChange Vs. Previous Month-6.91%Dollar Volume Sold Short$14.01 millionShort Interest Ratio4.5 Days to CoverLast Record DateAugust 31, 2025Outstanding Shares19,350,000 sharesFloat Size15,160,000 sharesShort Percent of Float6.20%Today's Trading Volume138,802 sharesAverage Trading Volume153,392 sharesToday's Volume Vs. Average90% Short Selling Motorcar Parts of America? Sign up to receive the latest short interest report for Motorcar Parts of America and its competitors with MarketBeat's FREE newsletter. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartMPAA Short Interest Over TimeMPAA Days to Cover Over TimeMPAA Percentage of Float Shorted Over Time Motorcar Parts of America Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 8/31/2025940,200 shares $14.01 million -6.9%6.2%4.5 $14.90 8/15/20251,010,000 shares $13.88 million +3.0%6.7%4.6 $13.74 7/31/2025980,500 shares $10.17 million -7.5%6.4%4.7 $10.37 7/15/20251,060,000 shares $12.32 million +6.1%5.9%5.4 $11.62 6/30/2025998,700 shares $11.19 million +105.3%5.6%5.3 $11.20 6/15/2025486,400 shares $5.21 million +4.8%2.7%3.6 $10.71 5/31/2025464,200 shares $5.19 million -2.8%2.6%3.6 $11.19 5/15/2025477,700 shares $5.18 million -4.3%2.7%4 $10.85 4/30/2025499,100 shares $4.45 million -5.0%2.8%3.7 $8.91 4/15/2025525,200 shares $4.71 million +0.6%2.9%4.2 $8.96 Get the Latest News and Ratings for MPAA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Motorcar Parts of America and its competitors with MarketBeat's FREE daily newsletter. 3/31/2025522,300 shares $4.96 million +0.1%2.9%4.2 $9.50 3/15/2025521,600 shares $5.44 million +0.6%2.9%4.6 $10.43 2/28/2025518,400 shares $5.60 million -3.7%3.3%4.9 $10.80 2/15/2025538,300 shares $5.01 million -2.1%3.4%5.9 $9.30 1/31/2025549,900 shares $3.65 million -2.3%3.5%8 $6.63 1/15/2025562,600 shares $3.76 million +4.8%3.5%9.8 $6.68 12/31/2024537,100 shares $4.08 million -0.4%3.4%9.3 $7.60 12/15/2024539,000 shares $4.38 million -3.0%3.4%8.9 $8.12 11/30/2024555,700 shares $4.05 million -2.1%3.5%7.7 $7.29 11/15/2024567,600 shares $3.98 million -1.5%3.6%8.2 $7.02 10/31/2024576,300 shares $3.04 million -2.7%3.6%8.2 $5.27 10/15/2024592,100 shares $3.63 million -1.1%3.7%8.1 $6.13 9/30/2024598,500 shares $4.42 million +9.2%3.8%8.2 $7.39 9/15/2024547,900 shares $3.36 million +1.3%3.4%7.5 $6.13 8/31/2024541,100 shares $3.59 million -10.7%3.3%6 $6.63 8/15/2024605,600 shares $3.79 million +7.2%3.7%6.2 $6.25 7/31/2024564,700 shares $3.42 million -8.3%3.5%5.3 $6.05 7/15/2024615,900 shares $3.84 million -1.9%3.3%5.5 $6.23 6/30/2024627,700 shares $3.87 million -0.9%3.4%5.4 $6.17 6/15/2024633,500 shares $3.53 million +8.9%3.4%5.6 $5.58 5/31/2024581,800 shares $2.96 million -1.4%3.1%6.4 $5.09 5/15/2024589,900 shares $2.98 million +0.5%3.1%7.5 $5.05 4/30/2024586,900 shares $3.33 million +0.6%3.1%8.3 $5.68 4/15/2024583,500 shares $3.26 million +0.5%3.1%9.1 $5.59 3/31/2024580,600 shares $4.67 million -5.4%3.1%9.6 $8.04 3/15/2024613,600 shares $4.77 million -3.5%3.3%9.3 $7.77 2/29/2024635,700 shares $5.71 million -6.3%3.4%8.9 $8.99 2/15/2024678,700 shares $6.58 million -5.7%3.6%8.9 $9.70 1/31/2024719,500 shares $6.57 million -1.3%3.8%9.2 $9.13 1/15/2024728,600 shares $6.76 million -2.0%3.9%8.8 $9.28 12/31/2023743,700 shares $6.95 million +0.9%4.0%8.7 $9.34 12/15/2023737,000 shares $6.11 million +0.9%3.9%8.6 $8.29 11/30/2023730,500 shares $7.04 million -5.0%3.9%8.4 $9.64 11/15/2023768,900 shares $6.83 million +0.4%4.1%8.1 $8.88 10/31/2023766,000 shares $5.53 million +0.1%4.1%7.4 $7.22 10/15/2023765,200 shares $5.78 million -3.2%4.1%6.6 $7.55 9/30/2023790,400 shares $6.39 million +4.1%4.2%5.4 $8.09 9/15/2023759,100 shares $5.66 million -1.0%4.0%4.4 $7.45 8/31/2023766,700 shares $6.05 million -17.5%4.1%2.8 $7.89 8/15/2023928,800 shares $7.15 million +10.2%4.9%3.3 $7.70 7/31/2023842,500 shares $7.56 million +1.7%4.5%2.8 $8.97 7/15/2023828,200 shares $6.60 million -9.1%4.4%2.5 $7.97 6/30/2023911,400 shares $7.05 million -34.0%4.9%2.6 $7.74 6/15/20231,380,000 shares $9.25 million -6.8%7.4%3.9 $6.70 5/31/20231,480,000 shares $8.15 million -2.6%7.9%3.9 $5.51 5/15/20231,520,000 shares $8.42 million +4.1%8.1%4.1 $5.54 4/30/20231,460,000 shares $7.11 million +3.6%7.8%4.2 $4.87 4/15/20231,410,000 shares $7.12 million +17.5%7.5%4.7 $5.05 3/31/20231,200,000 shares $8.93 million -23.1%6.4%4.6 $7.44 3/15/20231,560,000 shares $13.71 million +13.0%8.3%6.8 $8.79 2/28/20231,380,000 shares $18.06 million -4.2%7.4%12.6 $13.09 2/15/20231,440,000 shares $19.40 million +7.5%7.7%14.8 $13.47 1/31/20231,340,000 shares $19.51 million -3.6%7.2%13.5 $14.56 1/15/20231,390,000 shares $19.20 million +3.0%7.4%14 $13.81 12/30/20221,350,000 shares $16.01 million +22.7%7.2%14.1 $11.86 12/15/20221,100,000 shares $12.85 million +13.8%5.9%11.8 $11.68 11/30/2022966,900 shares $10.90 million -3.3%5.2%15 $11.27 11/15/20221,000,000 shares $14.62 million -3.9%5.4%18 $14.62 10/31/20221,040,000 shares $19.76 million -5.5%5.6%19.9 $19.00 10/15/20221,100,000 shares $17.58 million +3.8%6.0%22.5 $15.98 9/30/20221,060,000 shares $16.13 million -0.9%5.7%23.7 $15.22 9/15/20221,070,000 shares $15.33 million -4.5%5.8%21.9 $14.33 8/31/20221,120,000 shares $16.64 million +0.9%6.0%19.5 $14.86 8/15/20221,110,000 shares $17.18 million -0.9%6.0%17.4 $15.48 7/31/20221,120,000 shares $16.88 million No Change6.1%16.4 $15.07 7/15/20221,120,000 shares $16.18 million -0.9%6.1%15.9 $14.45 6/30/20221,130,000 shares $14.83 million No Change6.1%16.2 $13.12 6/15/20221,130,000 shares $16.57 million +3.7%6.1%16.4 $14.66 5/31/20221,090,000 shares $16.16 million -3.5%5.9%17.8 $14.83 5/15/20221,130,000 shares $15.81 million No Change6.1%18.6 $13.99 4/30/20221,130,000 shares $17.19 million +0.9%6.1%19.9 $15.21 4/15/20221,120,000 shares $17.67 million -5.1%6.0%17.6 $15.78 3/31/20221,180,000 shares $21.04 million -13.9%6.4%17.4 $17.83 3/15/20221,370,000 shares $23.19 million -4.2%7.4%19.3 $16.93 2/28/20221,430,000 shares $23.09 million +1.4%7.7%16.8 $16.15 2/15/20221,410,000 shares $23.41 million +0.7%7.6%16.7 $16.60 1/31/20221,400,000 shares $23.14 million +4.5%7.5%15.4 $16.53 1/15/20221,340,000 shares $23.96 million +0.8%7.2%16.6 $17.88 12/31/20211,330,000 shares $22.70 million No Change7.1%16.9 $17.07 12/15/20211,330,000 shares $24.74 million No Change7.1%15.7 $18.60 11/30/20211,330,000 shares $21.33 million No Change7.1%17.8 $16.04 11/15/20211,330,000 shares $25.95 million No Change7.1%19.1 $19.51 10/29/20211,330,000 shares $25.16 million -1.5%7.2%21.1 $18.92 10/15/20211,350,000 shares $26.33 million -0.7%7.3%20.9 $19.50 9/30/20211,360,000 shares $26.52 million -2.9%7.3%19.8 $19.50 9/15/20211,400,000 shares $26.36 million No Change7.5%19.1 $18.83 8/31/20211,400,000 shares $27.75 million +1.5%7.5%18.9 $19.82 8/13/20211,380,000 shares $29.68 million -0.7%7.4%17.2 $21.51 7/30/20211,390,000 shares $30.91 million +1.5%7.5%17.6 $22.24 7/15/20211,370,000 shares $32.14 million -1.4%7.4%17.5 $23.46 6/30/20211,390,000 shares $31.19 million -6.1%7.5%18.6 $22.44 6/15/20211,480,000 shares $35.74 million -1.3%8.0%23.4 $24.15 5/28/20211,500,000 shares $35.06 million +2.0%8.1%26.7 $23.37 5/14/20211,470,000 shares $32.84 million -1.3%7.9%25 $22.34 4/30/20211,490,000 shares $32.38 million -2.6%8.0%21.2 $21.73 4/15/20211,530,000 shares $33.20 million -1.3%8.2%20.4 $21.70 3/31/20211,550,000 shares $35.12 million -5.5%8.4%19.7 $22.66 3/15/20211,640,000 shares $40.80 million -1.8%8.8%19.1 $24.88 2/26/20211,670,000 shares $35.29 million -2.3%9.0%19.9 $21.13 2/12/20211,710,000 shares $37.00 million -16.6%9.2%21.1 $21.64 1/29/20212,050,000 shares $43.01 million -3.3%11.0%27.3 $20.98 1/15/20212,120,000 shares $43.67 million -1.9%11.4%31.5 $20.60 12/31/20202,160,000 shares $41.95 million -4.9%11.6%32.6 $19.42 12/15/20202,270,000 shares $54.41 million -6.2%12.2%32.4 $23.97 11/30/20202,420,000 shares $49.01 million -1.6%13.0%32.9 $20.25 11/15/20202,460,000 shares $45.07 million -1.6%13.3%34.7 $18.32 10/30/20202,500,000 shares $38.50 million -2.7%13.5%34.9 $15.40 10/15/20202,570,000 shares $39.55 million -2.3%13.9%33.9 $15.39 9/30/20202,630,000 shares $40.92 million -2.6%14.2%33.2 $15.56 9/15/20202,700,000 shares $46.82 million -0.7%14.6%30 $17.34 MPAA Short Interest - Frequently Asked Questions What is Motorcar Parts of America's current short interest? Short interest is the volume of Motorcar Parts of America shares that have been sold short but have not yet been covered or closed out. As of August 31st, investors have sold 940,200 shares of MPAA short. 6.20% of Motorcar Parts of America's shares are currently sold short. Learn More on Motorcar Parts of America's current short interest. What is a good short interest ratio for Motorcar Parts of America? 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. MPAA shares currently have a short interest ratio of 4.0. Learn More on Motorcar Parts of America's short interest ratio. What is a good short interest percentage for Motorcar Parts of America? 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. 6.20% of Motorcar Parts of America's floating shares are currently sold short. Is Motorcar Parts of America's short interest increasing or decreasing? Motorcar Parts of America saw a drop in short interest in the month of August. As of August 31st, there was short interest totaling 940,200 shares, a drop of 6.9% from the previous total of 1,010,000 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 Motorcar Parts of America's float size? Motorcar Parts of America currently has issued a total of 19,350,000 shares. Some of Motorcar Parts of America'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. Motorcar Parts of America currently has a public float of 15,160,000 shares. How does Motorcar Parts of America's short interest compare to its competitors? 6.20% of Motorcar Parts of America's shares are currently sold short. Here is how the short interest of companies in the industry of "automobiles and trucks" compare to Motorcar Parts of America: Aeva Technologies, Inc. (23.61%), Cooper-Standard Holdings Inc. (4.68%), Serve Robotics Inc. (27.26%), ADS-TEC Energy PLC (0.53%), Holley Inc. (2.71%), Niu Technologies (2.36%), Volcon, Inc. (1.56%), NWTN Inc. (0.31%), Innoviz Technologies Ltd. (12.98%), Hyliion Holdings Corp. (14.43%), 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 ($73.23 billion), Invesco QQQ ($29.52 billion), iShares Russell 2000 ETF ($20.82 billion), iShares 20+ Year Treasury Bond ETF ($10.76 billion), Palo Alto Networks, Inc. ($9.37 billion), Strategy Inc ($7.58 billion), Invesco S&P 500 Equal Weight ETF ($6.78 billion), SPDR S&P Biotech ETF ($6.72 billion), AppLovin Corporation ($6.37 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($6.29 billion). View all of the most shorted stocks. What does it mean to sell short Motorcar Parts of America stock? Short selling MPAA is an investing strategy that aims to generate trading profit from Motorcar Parts of America as its price is falling. MPAA shares are trading up $0.21 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 Motorcar Parts of America? A short squeeze for Motorcar Parts of America 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 MPAA, which in turn drives the price of the stock up even further. How often is Motorcar Parts of America'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 MPAA, twice per month. The most recent reporting period available is August, 31 2025. More Short Interest Resources from MarketBeat Related Companies Aeva Technologies Short Interest Data Cooper-Standard Short Interest Data Serve Robotics Short Interest Data ADS-TEC Energy Short Interest Data Holley Short Interest Data Niu Technologies Short Interest Data Volcon Short Interest Data NWTN Short Interest Data Innoviz Technologies Short Interest Data Hyliion Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:MPAA) was last updated on 9/15/2025 by MarketBeat.com Staff From Our PartnersHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. 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