Janus Henderson Mortgage-Backed Securities ETF (JMBS) Short Interest Ratio & Short Volume $45.66 +0.02 (+0.04%) Closing price 04:10 PM EasternExtended Trading$45.66 +0.01 (+0.01%) As of 04:10 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 AnalysisChartDividendHeadlinesHoldingsOwnershipShort InterestBuy This Stock Janus Henderson Mortgage-Backed Securities ETF Short Interest DataJanus Henderson Mortgage-Backed Securities ETF (JMBS) has a short interest of 210,000 shares. This marks a -63.25% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.2, indicating that it would take 0.2 days of the average trading volume of 769,917 shares to cover all short positions.Current Short Interest210,000 sharesPrevious Short Interest571,400 sharesChange Vs. Previous Month-63.25%Dollar Volume Sold Short$9.43 millionShort Interest Ratio0.2 Days to CoverLast Record DateAugust 15, 2025Outstanding Shares133,130,000 sharesPercentage of Shares Shorted0.16%Today's Trading Volume530,541 sharesAverage Trading Volume769,917 sharesToday's Volume Vs. Average69% 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 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 covered or closed out. As of August 15th, traders have sold 210,000 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 decline in short interest during the month of August. As of August 15th, there was short interest totaling 210,000 shares, a decline of 63.2% from the previous total of 571,400 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 (0.17%), First Trust Low Duration Opportunities ETF (0.03%), Simplify MBS ETF (0.08%), CCM Affordable Housing MBS ETF (0.46%), FlexShares Disciplined Duration MBS Index Fund (0.12%), WisdomTree Mortgage Plus Bond Fund (0.31%), Vanguard Mortgage-Backed Securities ETF (0.47%), and iShares MBS ETF (1.08%). Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Lucid Group, Inc. ($8.00 billion), Spotify Technology ($5.48 billion), AppLovin Corporation ($5.11 billion), Reddit Inc. ($5.02 billion), Coinbase Global, Inc. ($3.99 billion), Charter Communications, Inc. ($3.89 billion), Live Nation Entertainment, Inc. ($3.18 billion), Seagate Technology Holdings PLC ($2.59 billion), ResMed Inc. ($2.55 billion), and Rocket Lab Corporation ($2.52 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 $0.02 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 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 August, 15 2025. More Short Interest Resources from MarketBeat Related Companies SPMB Short Squeeze LMBS Short Squeeze MTBA 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 9/10/2025 by MarketBeat.com Staff From Our PartnersNvidia Times 1,000,000Nvidia’s latest AI chip is a $25,000 powerhouse — with 80 billion transistors and the ability to perform 60 tr...Paradigm Press | SponsoredWhat's the Best Way to Lower RMD Taxes?Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain r...SmartAsset | SponsoredIRS Wants Another Check on Sept 15th—What If You Could Keep It Instead?On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed profession...American Alternative | SponsoredTrump’s national nightmare is herePorter Stansberry and Jeff Brown say a new U.S. national emergency is already underway — and it could trigger ...Porter & Company | SponsoredWhat Steve Bannon revealed about Trump’s gold playA Trump advisor just said 3 words that could reset the dollar. 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