ProShares Ultra Nasdaq Cybersecurity ETF (UCYB) Short Interest Ratio & Short Volume $64.66 +3.17 (+5.15%) Closing price 10/8/2025 03:57 PM EasternExtended Trading$64.66 +0.00 (+0.00%) As of 04:21 AM 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 AnalysisChartDividendHoldingsOptions ChainOwnershipShort InterestTrendsBuy This Stock ProShares Ultra Nasdaq Cybersecurity ETF Short Interest DataProShares Ultra Nasdaq Cybersecurity ETF (UCYB) has a short interest of 2,200 shares. This marks a -46.34% decrease in short interest from the previous month. The short interest ratio (days to cover) is 1.2, indicating that it would take 1.2 days of the average trading volume of 1,856 shares to cover all short positions.Current Short Interest2,200 sharesPrevious Short Interest4,100 sharesChange Vs. Previous Month-46.34%Dollar Volume Sold Short$134.50 thousandShort Interest Ratio1.2 Days to CoverLast Record DateSeptember 15, 2025Outstanding Shares80,000 sharesPercentage of Shares Shorted2.75%Today's Trading Volume852 sharesAverage Trading Volume1,856 sharesToday's Volume Vs. Average46% Short Selling ProShares Ultra Nasdaq Cybersecurity ETF? Sign up to receive the latest short interest report for ProShares Ultra Nasdaq Cybersecurity 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. Consent is not a condition of the purchase of any goods or services. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartUCYB Short Interest Over TimeUCYB Days to Cover Over TimeUCYB Percentage of Float Shorted Over Time ProShares Ultra Nasdaq Cybersecurity 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 9/15/20252,200 shares $134.50 thousand -46.3%N/A1.2 $61.14 8/31/20254,100 shares $233.78 thousand +5.1%5.1%2.3 $57.02 8/15/20253,900 shares $216.98 thousand -35.0%N/A2.2 $55.64 7/31/20256,000 shares $343.38 thousand -4.8%7.5%2.9 $57.23 7/15/20256,300 shares $366.44 thousand -99.5%N/A3 $58.17 6/30/20251,290,000 shares $80.34 million +1,289,900.0%3.0%2.2 $62.28 6/15/2025100 shares $5.75 thousand -91.7%0.1%0.1 $57.45 5/31/20251,200 shares $67.98 thousand +140.0%1.3%0.7 $56.65 5/15/2025500 shares $27.86 thousand +66.7%0.6%0.3 $55.71 4/30/2025300 shares $14.73 thousand No ChangeN/A0.1 $49.09 Get the Latest News and Ratings for UCYB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ProShares Ultra Nasdaq Cybersecurity ETF and its competitors with MarketBeat's FREE daily newsletter. 4/15/2025300 shares $13.49 thousand -40.0%0.3%0.1 $44.98 3/31/2025500 shares $22.76 thousand No Change0.6%0.2 $45.51 3/15/2025500 shares $24.21 thousand -75.0%0.6%0.2 $48.42 2/28/20252,000 shares $100.86 thousand +53.9%2.2%0.8 $50.43 2/15/20251,300 shares $77.90 thousand +1,200.0%1.4%0.5 $59.92 1/31/2025100 shares $5.37 thousand No ChangeN/A0.1 $53.69 1/15/2025100 shares $4.94 thousand -66.7%N/A0.1 $49.41 12/31/2024300 shares $14.68 thousand -82.4%N/A0.2 $48.94 12/15/20241,700 shares $87.82 thousand +750.0%N/A1.2 $51.66 11/30/2024200 shares $9.71 thousand No ChangeN/A0.2 $48.57 11/15/2024200 shares $9.14 thousand +100.0%N/A0.2 $45.70 10/31/2024100 shares $4.41 thousand -66.7%N/A0.1 $44.09 10/15/2024300 shares $14.08 thousand +200.0%N/A0.3 $46.94 9/30/2024100 shares $4.31 thousand -50.0%N/A0.1 $43.12 9/15/2024200 shares $8.25 thousand -66.7%N/A0.1 $41.26 8/31/2024600 shares $26.04 thousand +500.0%N/A0.4 $43.40 8/15/2024100 shares $4.09 thousand -75.0%N/A0.1 $40.88 7/31/2024400 shares $15.71 thousand +300.0%N/A0.3 $39.28 7/15/2024100 shares $4.27 thousand -50.0%N/A0.1 $42.66 6/30/2024200 shares $8.06 thousand -75.0%N/A0.2 $40.30 6/15/2024800 shares $30.89 thousand +100.0%N/A0.5 $38.61 5/31/2024400 shares $14.66 thousand +300.0%N/A0.2 $36.66 5/15/2024100 shares $4.06 thousand -96.6%N/A0 $40.63 4/30/20242,900 shares $109.79 thousand +2,800.0%N/A0.9 $37.86 4/15/2024100 shares $3.77 thousand No ChangeN/A0 $37.73 3/31/20242,890,000 shares $120.54 million +2,889,900.0%N/A0.9 $41.71 3/15/2024100 shares $4.15 thousand -96.3%N/A0 $41.46 2/29/20242,700 shares $119.80 thousand -56.5%N/A0.7 $44.37 2/15/20246,200 shares $287.18 thousand +169.6%N/A2.1 $46.32 1/31/20242,300 shares $96.26 thousand No ChangeN/A1.1 $41.85 9/15/2023100 shares $3.02 thousand -80.0%N/A0.2 $30.19 8/31/2023500 shares $15.72 thousand +400.0%N/A0.7 $31.43 8/15/2023100 shares $2.88 thousand -75.0%N/A0.1 $28.77 7/31/2023400 shares $12.71 thousand -73.3%N/A0.6 $31.77 7/15/20231,500 shares $45 thousand -28.6%N/A1.9 $30.00 6/30/20232,100 shares $62.73 thousand -48.8%N/A3 $29.87 6/15/20234,100 shares $126.61 thousand +127.8%N/A5.1 $30.88 5/31/20231,800 shares $51.23 thousand +80.0%N/A2 $28.46 5/15/20231,000 shares $24.64 thousand +100.0%N/A1.4 $24.64 4/30/2023500 shares $11.72 thousand -54.6%N/A0.5 $23.45 4/15/20231,100 shares $29.06 thousand -8.3%N/A1 $26.42 3/31/20231,200 shares $32.62 thousand -7.7%N/A0.9 $27.18 3/15/20231,300 shares $31.62 thousand -13.3%N/A0.9 $24.32 2/28/20231,500 shares $38.72 thousand +36.4%N/A0.9 $25.81 2/15/20231,100 shares $30.76 thousand -50.0%N/A0.5 $27.96 1/31/20232,200 shares $54.87 thousand +144.4%N/A1 $24.94 1/15/2023900 shares $20.65 thousand +80.0%N/A0.4 $22.94 12/30/2022500 shares $11.59 thousand -58.3%N/A0.2 $23.18 12/15/20221,200 shares $29.21 thousand -62.5%N/A0.5 $24.34 11/30/20223,200 shares $83.58 thousand -37.3%N/A1.4 $26.12 11/15/20225,100 shares $135.46 thousand +64.5%N/A2.4 $26.56 10/31/20223,100 shares $86.49 thousand +55.0%N/A1.3 $27.90 10/15/20222,000 shares $44.03 thousand No ChangeN/A0.9 $22.01 9/30/20224,500 shares $108.77 thousand +1,025.0%N/A1.7 $24.17 9/15/2022400 shares $11.47 thousand -20.0%N/A0.2 $28.68 8/31/2022500 shares $15.25 thousand -50.0%N/A0.2 $30.50 8/15/20221,000 shares $36.04 thousand No ChangeN/A0.4 $36.04 7/31/20221,000 shares $29.91 thousand -16.7%N/A0.3 $29.91 7/15/20221,200 shares $32.54 thousand +50.0%N/A0.4 $27.12 6/30/2022800 shares $22.15 thousand -71.4%N/A0.3 $27.69 6/15/20222,800 shares $77.39 thousand +300.0%N/A0.9 $27.64 5/31/2022700 shares $21.89 thousand No ChangeN/A0.2 $31.27 5/15/2022700 shares $21.39 thousand +16.7%N/A0.2 $30.55 4/30/2022600 shares $23.46 thousand +20.0%N/A0.2 $39.09 4/15/2022500 shares $24.61 thousand -44.4%N/A0.2 $49.21 3/31/2022900 shares $45.32 thousand No ChangeN/A0.2 $50.36 3/15/2022900 shares $36.18 thousand -52.6%N/A0.2 $40.20 2/28/20221,900 shares $86.22 thousand +90.0%N/A0.4 $45.38 2/15/20221,000 shares $42.14 thousand -23.1%N/A0.2 $42.14 1/31/20221,300 shares $53.03 thousand -7.1%N/A0.3 $40.79 1/15/20221,400 shares $60.97 thousand -30.0%N/A0.3 $43.55 12/31/20212,000 shares $103.36 thousand No ChangeN/A0.5 $51.68 UCYB Short Interest - Frequently Asked Questions What is ProShares Ultra Nasdaq Cybersecurity ETF's current short interest? Short interest is the volume of ProShares Ultra Nasdaq Cybersecurity ETF shares that have been sold short but have not yet been closed out or covered. As of September 15th, investors have sold 2,200 shares of UCYB short. Learn More on ProShares Ultra Nasdaq Cybersecurity ETF's current short interest. What is a good short interest ratio for ProShares Ultra Nasdaq Cybersecurity ETF? 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. UCYB shares currently have a short interest ratio of 1.0. Learn More on ProShares Ultra Nasdaq Cybersecurity ETF's short interest ratio. Is ProShares Ultra Nasdaq Cybersecurity ETF's short interest increasing or decreasing? ProShares Ultra Nasdaq Cybersecurity ETF saw a decrease in short interest in September. As of September 15th, there was short interest totaling 2,200 shares, a decrease of 46.3% from the previous total of 4,100 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 ProShares Ultra Nasdaq Cybersecurity ETF's short interest compare to its competitors? Here is how the short interest of companies compare to ProShares Ultra Nasdaq Cybersecurity ETF: Xtrackers US Green Infrastructure Select Equity ETF (0.05%), Pacer BlueStar Digital Entertainment ETF (0.63%), iShares Environmental Infrastructure and Industrials ETF (0.19%), Themes Robotics & Automation ETF (4.00%), iShares Breakthrough Environmental Solutions ETF (0.50%), Invesco ESG NASDAQ Next Gen 100 ETF (1.00%), First Trust Indxx Global Agriculture ETF (0.46%), First Trust S-Network E-Commerce ETF (0.67%), SPDR MSCI USA Climate Paris Aligned ETF (0.50%), First Trust Nasdaq Lux Digital Health Solutions ETF (0.13%), 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 ProShares Ultra Nasdaq Cybersecurity ETF stock? Short selling UCYB is an investing strategy that aims to generate trading profit from ProShares Ultra Nasdaq Cybersecurity ETF as its price is falling. UCYB shares are trading up $3.17 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 ProShares Ultra Nasdaq Cybersecurity ETF? A short squeeze for ProShares Ultra Nasdaq Cybersecurity ETF 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 UCYB, which in turn drives the price of the stock up even further. How often is ProShares Ultra Nasdaq Cybersecurity 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 UCYB, twice per month. The most recent reporting period available is September, 15 2025. More Short Interest Resources from MarketBeat Related Companies Xtrackers US Green Infrastructure Select Equity ETF Short Interest Pacer BlueStar Digital Entertainment ETF Short Interest iShares Environmental Infrastructure and Industrials ETF Short Interest Themes Robotics & Automation ETF Short Interest iShares Breakthrough Environmental Solutions ETF Short Interest Invesco ESG NASDAQ Next Gen 100 ETF Short Interest First Trust Indxx Global Agriculture ETF Short Interest First Trust S-Network E-Commerce ETF Short Interest SPDR MSCI USA Climate Paris Aligned ETF Short Interest First Trust Nasdaq Lux Digital Health Solutions ETF Short Interest Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:UCYB) was last updated on 10/9/2025 by MarketBeat.com Staff From Our PartnersBitcoin grabs headlines, but smart money likes this tokenBitcoin grabs headlines, but smart money likes this token My research team has identified the token positio...Crypto 101 Media | SponsoredMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | SponsoredBuilding The Infrastructure for the Coming Financial ResetWhile China pushes nearly $1 trillion through its new digital currency, one emerging company is quietly buildi...Intellistake | SponsoredCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. 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