Janus Henderson Mortgage-Backed Securities ETF (JMBS) Short Interest Ratio & Short Volume $45.76 -0.06 (-0.14%) As of 10:05 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisChartDividendHeadlinesHoldingsOwnershipShort InterestBuy This Stock Janus Henderson Mortgage-Backed Securities ETF Short Interest DataJanus Henderson Mortgage-Backed Securities ETF (JMBS) has a short interest of 285,000 shares. This marks a -59.80% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.3, indicating that it would take 0.3 days of the average trading volume of 734,829 shares to cover all short positions.Current Short Interest285,000 sharesPrevious Short Interest708,900 sharesChange Vs. Previous Month-59.80%Dollar Volume Sold Short$13.09 millionShort Interest Ratio0.3 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares141,430,000 sharesPercentage of Shares Shorted0.20%Today's Trading Volume52,856 sharesAverage Trading Volume734,829 sharesToday's Volume Vs. Average7% Short Selling Janus Henderson Mortgage-Backed Securities ETF? Sign up to receive the latest short interest report for Janus Henderson Mortgage-Backed Securities ETF 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartJMBS Short Interest Over TimeJMBS Days to Cover Over TimeJMBS Percentage of Float Shorted Over Time Janus Henderson Mortgage-Backed Securities ETF Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/15/2025285,000 shares $13.09 million -59.8%N/A0.3 $45.94 8/31/2025708,900 shares $32.11 million +237.6%0.5%0.8 $45.30 8/15/2025210,000 shares $9.43 million -63.3%N/A0.2 $44.89 7/31/2025571,400 shares $25.53 million +96.5%0.4%0.8 $44.68 7/15/2025290,800 shares $12.89 million +71.8%N/A0.4 $44.34 6/30/2025169,300 shares $7.63 million +1.3%0.1%0.2 $45.05 6/15/2025167,200 shares $7.43 million +217.9%0.1%0.2 $44.42 5/31/202552,600 shares $2.33 million -79.5%0.0%0.1 $44.38 5/15/2025256,900 shares $11.39 million -24.2%N/A0.4 $44.35 4/30/2025339,000 shares $15.29 million -56.5%N/A0.5 $45.10 4/15/2025778,800 shares $34.65 million -55.0%N/A1 $44.49 3/14/20251,180,000 shares $52.97 million +168.4%N/A1.8 $44.89 2/14/2025443,900 shares $19.78 million -30.3%N/A0.7 $44.56 1/31/2025637,100 shares $28.34 million +573.5%N/A1 $44.48 1/15/202594,600 shares $4.16 million -32.1%N/A0.2 $44.02 JMBS Short Interest - Frequently Asked Questions What is Janus Henderson Mortgage-Backed Securities ETF's current short interest? Short interest is the volume of Janus Henderson Mortgage-Backed Securities ETF shares that have been sold short but have not yet been closed out or covered. As of September 15th, investors have sold 285,000 shares of JMBS short. Learn More on Janus Henderson Mortgage-Backed Securities ETF's current short interest. Is Janus Henderson Mortgage-Backed Securities ETF's short interest increasing or decreasing? Janus Henderson Mortgage-Backed Securities ETF saw a decrease in short interest in September. As of September 15th, there was short interest totaling 285,000 shares, a decrease of 59.8% from the previous total of 708,900 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. How does Janus Henderson Mortgage-Backed Securities ETF's short interest compare to its competitors? Here is how the short interest of companies compare to Janus Henderson Mortgage-Backed Securities ETF: SPDR Portfolio Mortgage Backed Bond ETF (0.38%), Schwab Mortgage-Backed Securities ETF (0.00%), First Trust Low Duration Opportunities ETF (0.03%), Simplify MBS ETF (0.54%), iShares GNMA Bond ETF (0.21%), CCM Affordable Housing MBS ETF (0.60%), FlexShares Disciplined Duration MBS Index Fund (0.60%), WisdomTree Mortgage Plus Bond Fund (0.13%), Vanguard Mortgage-Backed Securities ETF (0.39%), and iShares MBS ETF (0.92%). Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: AppLovin Corporation ($8.81 billion), Canadian Natural Resources Limited ($5.82 billion), Reddit Inc. ($5.19 billion), Coinbase Global, Inc. ($4.52 billion), Robinhood Markets, Inc. ($4.30 billion), Charter Communications, Inc. ($3.75 billion), CoreWeave Inc. ($3.66 billion), Seagate Technology Holdings PLC ($3.57 billion), Live Nation Entertainment, Inc. ($3.33 billion), and Rocket Lab Corporation ($3.26 billion). View all of the most shorted stocks. What does it mean to sell short Janus Henderson Mortgage-Backed Securities ETF stock? Short selling JMBS is an investing strategy that aims to generate trading profit from Janus Henderson Mortgage-Backed Securities ETF as its price is falling. JMBS shares are trading up $0.07 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 Janus Henderson Mortgage-Backed Securities ETF? A short squeeze for Janus Henderson Mortgage-Backed Securities ETF 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 JMBS, which in turn drives the price of the stock up even further. How often is Janus Henderson Mortgage-Backed Securities ETF'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 JMBS, twice per month. The most recent reporting period available is September, 15 2025. More Short Interest Resources from MarketBeat Related Companies SPMB Short Squeeze SMBS Short Squeeze LMBS Short Squeeze MTBA Short Squeeze GNMA Short Squeeze OWNS Short Squeeze MBSD Short Squeeze MTGP Short Squeeze VMBS Short Squeeze MBB Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSEARCA:JMBS) was last updated on 10/14/2025 by MarketBeat.com Staff From Our PartnersURGENT: The Market's 3 Red Flags Are FlashingHere’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...StockEarnings | SponsoredGold to $27,533?This week, U.S. gold reserves hit an unprecedented $1 TRILLION in value... 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