Ambac Financial Group (AMBC) Short Interest Ratio & Short Volume $9.01 +0.16 (+1.76%) Closing price 03:59 PM EasternExtended Trading$9.01 +0.00 (+0.04%) As of 06:25 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Ambac Financial Group Short Interest DataAmbac Financial Group (AMBC) has a short interest of 3.06 million shares, representing 7.27% of the float (the number of shares available for trading by the public). This marks a 4.44% increase in short interest from the previous month. The short interest ratio (days to cover) is 2.8, indicating that it would take 2.8 days of the average trading volume of 1.01 million shares to cover all short positions.Current Short Interest3,060,000 sharesPrevious Short Interest2,930,000 sharesChange Vs. Previous Month+4.44%Dollar Volume Sold Short$25.69 millionShort Interest Ratio2.8 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares46,400,000 sharesFloat Size42,090,000 sharesShort Percent of Float7.27%Today's Trading Volume753,340 sharesAverage Trading Volume1,005,696 sharesToday's Volume Vs. Average75% Short Selling Ambac Financial Group? Sign up to receive the latest short interest report for Ambac Financial Group and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy. Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartAMBC Short Interest Over TimeAMBC Days to Cover Over TimeAMBC Percentage of Float Shorted Over Time Ambac Financial Group Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/20253,060,000 shares $25.69 million +4.4%7.3%2.8 $8.40 7/15/20252,930,000 shares $21.01 million +30.2%7.0%2.7 $7.17 6/30/20252,250,000 shares $15.57 million +13.1%5.3%2.1 $6.92 6/15/20251,990,000 shares $13.29 million +22.1%4.7%1.8 $6.68 5/31/20251,630,000 shares $12.81 million -22.8%3.9%1.2 $7.86 5/15/20252,110,000 shares $16.75 million -24.1%5.0%1.6 $7.94 4/30/20252,780,000 shares $22.24 million -24.5%N/A2.4 $8.00 4/15/20253,680,000 shares $25.68 million +57.3%8.2%3.3 $6.98 3/31/20252,340,000 shares $20.60 million -32.2%5.6%2.3 $8.81 3/15/20253,450,000 shares $28.82 million +20.6%8.2%3.7 $8.36 Get the Latest News and Ratings for AMBC and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ambac Financial Group and its competitors with MarketBeat's FREE daily newsletter. 2/28/20252,860,000 shares $27.74 million +7.9%6.8%4.1 $9.70 2/15/20252,650,000 shares $30.94 million +0.8%6.2%5.2 $11.67 1/31/20252,630,000 shares $30.56 million -3.3%6.2%4.6 $11.62 1/15/20252,720,000 shares $31.04 million -32.8%6.4%4.6 $11.41 12/31/20244,050,000 shares $51.23 million -6.0%9.5%6.9 $12.65 12/15/20244,310,000 shares $57.75 million -3.6%10.1%7.3 $13.40 11/30/20244,470,000 shares $57.39 million +1.1%10.5%8.1 $12.84 11/15/20244,420,000 shares $54.54 million +13.6%10.4%7.9 $12.34 10/31/20243,890,000 shares $44.00 million +8.1%9.2%8.2 $11.31 10/15/20243,600,000 shares $42.19 million +21.6%8.5%7.2 $11.72 9/30/20242,960,000 shares $33.18 million +11.3%7.0%6.1 $11.21 9/15/20242,660,000 shares $29.34 million +0.4%6.3%5.5 $11.03 8/31/20242,650,000 shares $31.01 million -1.5%6.2%5.4 $11.70 8/15/20242,690,000 shares $30.48 million -7.9%6.3%5.2 $11.33 7/31/20242,920,000 shares $38.54 million -2.7%6.8%5.6 $13.20 7/15/20243,000,000 shares $38.07 million +7.5%7.3%6.2 $12.69 6/30/20242,790,000 shares $35.77 million +1.8%6.8%5.8 $12.82 6/15/20242,740,000 shares $34.30 million +15.1%6.7%5.8 $12.52 5/31/20242,380,000 shares $42.17 million -4.0%5.8%5.5 $17.72 5/15/20242,480,000 shares $44.79 million +16.4%6.0%6.1 $18.06 4/30/20242,130,000 shares $30.78 million +11.5%5.2%5.1 $14.45 4/15/20241,910,000 shares $27.35 million +16.5%4.7%5 $14.32 3/31/20241,640,000 shares $25.63 million -13.2%4.0%4.4 $15.63 3/15/20241,890,000 shares $28.43 million +9.9%4.3%5.1 $15.04 2/29/20241,720,000 shares $28.10 million +3.6%3.9%4.1 $16.34 2/15/20241,660,000 shares $27.14 million +2.5%3.8%4.3 $16.35 1/31/20241,620,000 shares $26.33 million +3.2%3.7%3.8 $16.25 1/15/20241,570,000 shares $24.63 million -5.4%3.6%3.5 $15.69 12/31/20231,660,000 shares $27.36 million -8.8%3.8%3.7 $16.48 12/15/20231,820,000 shares $28.97 million +2.3%4.1%3.8 $15.92When the levee breaks (Ad)The U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. According to Porter Stansberry, this is panic-level borrowing… and a clear sign we’re nearing America’s financial breaking point. In his latest emergency briefing, Porter outlines why the cracks in our system are widening fast—and how Trump’s policies may be accelerating the collapse. More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks.Click here to watch the urgent broadcast and get ahead of what’s coming. 11/30/20231,780,000 shares $26.26 million +0.6%4.0%4.1 $14.75 11/15/20231,770,000 shares $26.28 million -8.3%4.0%4.2 $14.85 10/31/20231,930,000 shares $23.39 million -7.2%4.4%4.9 $12.12 10/15/20232,080,000 shares $23.86 million -5.9%4.7%5.8 $11.47 9/30/20232,210,000 shares $26.65 million +0.9%5.0%6.2 $12.06 9/15/20232,190,000 shares $28.01 million -3.5%5.0%6.1 $12.79 8/31/20232,270,000 shares $29.24 million -3.4%5.1%6 $12.88 8/15/20232,350,000 shares $31.96 million +0.9%5.3%6.1 $13.60 7/31/20232,330,000 shares $32.95 million +3.1%5.3%5.6 $14.14 7/15/20232,260,000 shares $31.30 million -1.3%5.1%5.3 $13.85 6/30/20232,290,000 shares $32.63 million +5.1%5.2%5.5 $14.25 6/15/20232,180,000 shares $31.52 million -11.0%4.9%5.2 $14.46 5/31/20232,450,000 shares $34.13 million -14.0%5.5%5.4 $13.93 5/15/20232,850,000 shares $42.27 million -13.1%6.5%6 $14.83 4/30/20233,280,000 shares $52.32 million +1.9%7.4%7.2 $15.95 4/15/20233,220,000 shares $48.62 million -12.0%7.3%6.7 $15.10 3/31/20233,660,000 shares $56.66 million -1.6%8.3%7.7 $15.48 3/15/20233,720,000 shares $55.69 million +27.4%8.5%7.9 $14.97 2/28/20232,920,000 shares $48.33 million -0.7%6.7%6.6 $16.55 2/15/20232,940,000 shares $47.07 million +4.3%6.7%6.8 $16.01 1/31/20232,820,000 shares $46.98 million +3.3%6.4%6.1 $16.66 1/15/20232,730,000 shares $46.74 million +14.2%6.2%5.9 $17.12 12/30/20222,390,000 shares $41.68 million -5.2%5.4%4.6 $17.44 12/15/20222,520,000 shares $40.09 million +34.0%5.7%5 $15.91 11/30/20221,880,000 shares $30.57 million -16.4%4.3%3.9 $16.26 11/15/20222,250,000 shares $33.21 million -10.0%5.1%4.9 $14.76 10/31/20222,500,000 shares $35.13 million -0.8%5.7%5.3 $14.05 10/15/20222,520,000 shares $33.44 million +4.1%5.7%5.2 $13.27 9/30/20222,420,000 shares $30.86 million +7.1%5.5%4.9 $12.75 9/15/20222,260,000 shares $32.34 million -15.0%5.1%4.9 $14.31 8/31/20222,660,000 shares $40.14 million -3.3%6.1%5.2 $15.09 8/15/20222,750,000 shares $42.08 million -11.6%6.3%4.9 $15.30 7/31/20223,110,000 shares $36.60 million -13.4%7.1%5.1 $11.77 7/15/20223,590,000 shares $42.40 million +12.5%8.2%6.1 $11.81 6/30/20223,190,000 shares $36.21 million -13.3%7.2%4.8 $11.35 6/15/20223,680,000 shares $39.85 million -15.6%8.4%4.5 $10.83 5/31/20224,360,000 shares $46.70 million -10.3%9.9%4.2 $10.71 5/15/20224,860,000 shares $41.55 million -0.6%11.0%4.6 $8.55 4/30/20224,890,000 shares $37.80 million +5.6%10.7%4.7 $7.73 4/15/20224,630,000 shares $41.02 million -6.3%10.2%4.3 $8.86 3/31/20224,940,000 shares $51.38 million +29.3%10.9%4.6 $10.40 3/15/20223,820,000 shares $47.29 million +15.1%8.4%4.5 $12.38 2/28/20223,320,000 shares $42.60 million +5.4%7.3%5.2 $12.83 2/15/20223,150,000 shares $50.02 million -2.2%6.9%5.2 $15.88 1/31/20223,220,000 shares $45.63 million +15.0%7.1%5.1 $14.17 1/15/20222,800,000 shares $46.06 million -16.4%6.2%4.8 $16.45 12/31/20213,350,000 shares $53.77 million -5.9%7.4%6.7 $16.05 12/15/20213,560,000 shares $52.65 million +10.9%7.8%7.3 $14.79 11/30/20213,210,000 shares $47.96 million +9.6%7.1%7.5 $14.94 11/15/20212,930,000 shares $49.14 million -6.1%6.4%8 $16.77When the levee breaks (Ad)The U.S. Treasury just confirmed it plans to borrow $1.01 trillion this quarter—nearly double what was projected. According to Porter Stansberry, this is panic-level borrowing… and a clear sign we’re nearing America’s financial breaking point. In his latest emergency briefing, Porter outlines why the cracks in our system are widening fast—and how Trump’s policies may be accelerating the collapse. More importantly, he reveals three moves you can make now to protect and potentially grow your wealth before the levee breaks.Click here to watch the urgent broadcast and get ahead of what’s coming. 10/29/20213,120,000 shares $52.76 million +5.4%6.9%11 $16.91 10/15/20212,960,000 shares $44.02 million -2.0%6.5%10.9 $14.87 9/30/20213,020,000 shares $43.25 million -0.3%6.6%9.1 $14.32 9/15/20213,030,000 shares $41.27 million +0.7%6.7%9.3 $13.62 8/31/20213,010,000 shares $42.41 million -1.3%6.6%8.9 $14.09 8/13/20213,050,000 shares $43.65 million +7.4%6.7%8.8 $14.31 7/30/20212,840,000 shares $41.24 million +19.8%6.2%7.4 $14.52 7/15/20212,370,000 shares $35.79 million -1.3%5.2%6.2 $15.10 6/30/20212,400,000 shares $37.58 million -10.5%5.3%7.6 $15.66 6/15/20212,680,000 shares $41.73 million -19.5%5.9%8.9 $15.57 5/28/20213,330,000 shares $50.25 million -7.2%7.3%11 $15.09 5/14/20213,590,000 shares $52.13 million +6.2%7.9%10.7 $14.52 4/30/20213,380,000 shares $58.10 million -1.5%7.4%10 $17.19 4/15/20213,430,000 shares $59.10 million +7.5%7.6%10.4 $17.23 3/31/20213,190,000 shares $54.01 million -5.1%7.1%9.6 $16.93 3/15/20213,360,000 shares $60.14 million -5.4%7.5%8.6 $17.90 2/26/20213,550,000 shares $60.53 million -6.1%7.9%9.5 $17.05 2/12/20213,780,000 shares $56.40 million -1.3%8.3%9.8 $14.92 1/29/20213,830,000 shares $56.76 million +4.6%8.5%10 $14.82 1/15/20213,660,000 shares $59.00 million No Change8.1%9.7 $16.12 AMBC Short Interest - Frequently Asked Questions What is Ambac Financial Group's current short interest? Short interest is the volume of Ambac Financial Group shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 3,060,000 shares of AMBC short. 7.27% of Ambac Financial Group's shares are currently sold short. Learn More on Ambac Financial Group's current short interest. What is a good short interest ratio for Ambac Financial 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. AMBC shares currently have a short interest ratio of 3.0. Learn More on Ambac Financial Group's short interest ratio. Which institutional investors are shorting Ambac Financial Group? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Ambac Financial Group: Group One Trading LLC, Jane Street Group LLC, Caption Management LLC, Walleye Trading 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 Ambac Financial 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. 7.27% of Ambac Financial Group's floating shares are currently sold short. Is Ambac Financial Group's short interest increasing or decreasing? Ambac Financial Group saw a increase in short interest in the month of July. As of July 31st, there was short interest totaling 3,060,000 shares, an increase of 4.4% from the previous total of 2,930,000 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 Ambac Financial Group's float size? Ambac Financial Group currently has issued a total of 46,400,000 shares. Some of Ambac Financial 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. Ambac Financial Group currently has a public float of 42,090,000 shares. How does Ambac Financial Group's short interest compare to its competitors? 7.27% of Ambac Financial Group's shares are currently sold short. Here is how the short interest of companies in the industry of "insurance" compare to Ambac Financial Group: Root, Inc. (12.17%), Clover Health Investments, Corp. (10.62%), International General Insurance Holdings Ltd. (1.44%), Bowhead Specialty Holdings Inc. (3.93%), Tiptree Financial Inc. (0.83%), Hippo Holdings Inc. (4.18%), Heritage Insurance Holdings, Inc. (7.85%), Waterdrop Inc. Unsponsored ADR (0.05%), American Coastal Insurance Corporation (2.63%), SelectQuote, Inc. (1.47%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short Ambac Financial Group stock? Short selling AMBC is an investing strategy that aims to generate trading profit from Ambac Financial Group as its price is falling. AMBC shares are trading up $0.16 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 Ambac Financial Group? A short squeeze for Ambac Financial Group 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 AMBC, which in turn drives the price of the stock up even further. How often is Ambac Financial 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 AMBC, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Root Short Interest Data Clover Health Investments Short Interest Data International General Insurance Short Interest Data Bowhead Specialty Short Interest Data Tiptree Financial Short Interest Data Hippo Short Interest Data Heritage Insurance Short Interest Data Waterdrop Short Interest Data American Coastal Insurance Short Interest Data SelectQuote 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 (NYSE:AMBC) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. Economist ...Goldco Precious Metals | SponsoredPresidential Bombshell: $150T Resource to Be Released as soon as this Summer?Something extraordinary is happening in Washington. For the first time in over a century, a sitting Preside...Paradigm Press | SponsoredSell this, buy thatI'm a Futurist: Here are 3 stocks better than Nvidia Nvidia's own customers could soon become fierce compet...InvestorPlace | SponsoredIs This Stock the 'Next Nvidia'?'AI Bottleneck' Now Threatens Entire Magnificent 7 A new critical failure has appeared in the AI market, an...Altimetry | SponsoredThink you missed gold’s boom? Think againIf you've been watching gold's historic run and wondering if it's too late… I've got good news. Because the...Investors Alley | SponsoredThe End of Elon Musk…?The End of Elon Musk? Don't make him laugh. Jeff Brown has been hearing this same tired story for years, an...Brownstone Research | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding Ambac Financial Group, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Ambac Financial Group With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
MarketBeat All Access