Harbor Scientific Alpha High-Yield ETF (SIHY) Short Interest Ratio & Short Volume $45.03 +0.12 (+0.27%) As of 04:10 PM Eastern Add Compare Share Share Short Interest Stock AnalysisChartDividendHoldingsOwnershipShort InterestBuy This Stock Harbor Scientific Alpha High-Yield ETF Short Interest DataHarbor Scientific Alpha High-Yield ETF (SIHY) has a short interest of 3,000 shares. This marks a -67.74% decrease in short interest from the previous month. The short interest ratio (days to cover) is 0.1, indicating that it would take 0.1 days of the average trading volume of 23,705 shares to cover all short positions.Current Short Interest3,000 sharesPrevious Short Interest9,300 sharesChange Vs. Previous Month-67.74%Dollar Volume Sold Short$134,880.00Short Interest Ratio0.1 Days to CoverLast Record DateMay 15, 2025Outstanding Shares3,640,000 sharesPercentage of Shares Shorted0.08%Today's Trading Volume128,943 sharesAverage Trading Volume23,705 sharesToday's Volume Vs. Average544% Short Selling Harbor Scientific Alpha High-Yield ETF? Sign up to receive the latest short interest report for Harbor Scientific Alpha High-Yield ETF and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSIHY Short Interest Over TimeSIHY Days to Cover Over TimeSIHY Percentage of Float Shorted Over Time Harbor Scientific Alpha High-Yield 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 5/15/20253,000 shares $134,880.00 -67.7%N/A0.1 $44.96 4/30/20259,300 shares $414,408.00 -21.2%N/A0.2 $44.56 4/15/202511,800 shares $515,542.00 +24.2%N/A0.3 $43.69 3/14/2025600 shares $27,078.00 -82.4%N/A0 $45.13 2/14/20255,400 shares $248,346.00 -89.1%N/A0.2 $45.99 1/31/202549,400 shares $2.29 million +206.8%N/A1.7 $46.30 1/15/202516,100 shares $738,185.00 +59.4%N/A0.7 $45.85 SIHY Short Interest - Frequently Asked Questions What is Harbor Scientific Alpha High-Yield ETF's current short interest? Short interest is the volume of Harbor Scientific Alpha High-Yield ETF shares that have been sold short but have not yet been closed out or covered. As of May 15th, traders have sold 3,000 shares of SIHY short. Learn More on Harbor Scientific Alpha High-Yield ETF's current short interest. Is Harbor Scientific Alpha High-Yield ETF's short interest increasing or decreasing? Harbor Scientific Alpha High-Yield ETF saw a decline in short interest during the month of May. As of May 15th, there was short interest totaling 3,000 shares, a decline of 67.7% from the previous total of 9,300 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 Harbor Scientific Alpha High-Yield ETF's short interest compare to its competitors? Here is how the short interest of companies compare to Harbor Scientific Alpha High-Yield ETF: Invesco Global ex-US High Yield Corporate Bond ETF (0.17%), iShares ESG Advanced High Yield Corporate Bond ETF (0.09%), Xtrackers Short Duration High Yield Bond ETF (0.43%), WisdomTree Interest Rate Hedged High Yield Bond Fund (0.11%), Simplify High Yield PLUS Credit Hedge ETF (3.71%), AB High Yield ETF (0.09%), BondBloxx CCC Rated USD High Yield Corporate Bond ETF (0.54%), Putnam ESG High Yield ETF (0.39%), JPMorgan High Yield Municipal ETF (0.16%), iShares BB Rated Corporate Bond ETF (0.08%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: Invesco QQQ ($29.20 billion), Strategy Incorporated ($10.88 billion), iShares 20+ Year Treasury Bond ETF ($10.04 billion), Capital One Financial Co. ($5.51 billion), Charter Communications, Inc. ($5.00 billion), Super Micro Computer, Inc. ($4.43 billion), Apollo Global Management, Inc. ($4.02 billion), Hims & Hers Health, Inc. ($3.65 billion), VanEck Semiconductor ETF ($3.27 billion), and Coinbase Global, Inc. ($3.10 billion). View all of the most shorted stocks. What does it mean to sell short Harbor Scientific Alpha High-Yield ETF stock? Short selling SIHY is an investing strategy that aims to generate trading profit from Harbor Scientific Alpha High-Yield ETF as its price is falling. SIHY shares are trading up $0.15 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 Harbor Scientific Alpha High-Yield ETF? A short squeeze for Harbor Scientific Alpha High-Yield 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 SIHY, which in turn drives the price of the stock up even further. How often is Harbor Scientific Alpha High-Yield 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 SIHY, twice per month. The most recent reporting period available is May, 15 2025. More Short Interest Resources from MarketBeat Related Companies PGHY Short Interest HYXF Short Interest SHYL Short Interest HYZD Short Interest CDX Short Interest HYFI Short Interest XCCC Short Interest PHYD Short Interest JMHI Short Interest HYBB Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSEARCA:SIHY) was last updated on 6/4/2025 by MarketBeat.com Staff From Our PartnersAI Meltdown Imminent: Dump These Stocks Now!If you have any money in the markets, especially in AI stocks… Please click here to see Elon Musk’s new inv...Paradigm Press | SponsoredDalio heeds Buffett’s warning… [$319 million stake in gold]Dalio bought a gold ETF… I don’t recommend that for the average retail investor. 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