Rocket Lab (RKLB) Short Interest Ratio & Short Volume $65.94 -1.41 (-2.10%) As of 02:45 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Rocket Lab Short Interest DataRocket Lab (RKLB) has a short interest of 57.76 million shares, representing 13.66% of the float (the number of shares available for trading by the public). This marks a -4.23% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.5, indicating that it would take 2.5 days of the average trading volume of 21.00 million shares to cover all short positions.Current Short Interest57,760,000 sharesPrevious Short Interest60,310,000 sharesChange Vs. Previous Month-4.23%Dollar Volume Sold Short$2.77 billionShort Interest Ratio2.5 Days to CoverLast Record DateSeptember 30, 2025Outstanding Shares483,961,000 sharesFloat Size422,700,000 sharesShort Percent of Float13.66%Today's Trading Volume10,146,719 sharesAverage Trading Volume21,003,260 sharesToday's Volume Vs. Average48% Short Selling Rocket Lab? Sign up to receive the latest short interest report for Rocket Lab 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 ChartRKLB Short Interest Over TimeRKLB Days to Cover Over TimeRKLB Percentage of Float Shorted Over Time Rocket Lab Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 9/30/202557,760,000 shares $2.77 billion -4.2%13.7%2.5 $47.91 9/15/202560,310,000 shares $3.26 billion +1.3%14.2%2.6 $54.04 8/31/202559,560,000 shares $2.89 billion +4.7%14.2%2.6 $48.60 8/15/202556,880,000 shares $2.52 billion +7.2%12.8%2.4 $44.27 7/31/202553,080,000 shares $2.44 billion -5.1%11.8%2.3 $45.92 7/15/202555,920,000 shares $2.49 billion +2.8%12.6%2.5 $44.60 6/30/202554,420,000 shares $1.95 billion -5.1%11.9%2.6 $35.77 6/15/202557,350,000 shares $1.46 billion -0.1%12.8%3 $25.41 5/31/202557,420,000 shares $1.53 billion -9.8%15.2%3.3 $26.65 5/15/202563,650,000 shares $1.61 billion +6.6%16.9%3.7 $25.22 Get the Latest News and Ratings for RKLB and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rocket Lab and its competitors with MarketBeat's FREE daily newsletter. 4/30/202559,710,000 shares $1.30 billion +0.8%15.8%3.5 $21.79 4/15/202559,260,000 shares $1.25 billion -5.9%16.0%3.3 $21.07 3/31/202562,950,000 shares $1.13 billion +11.8%17.0%3.3 $17.88 3/15/202556,320,000 shares $1.06 billion -0.4%15.2%3 $18.81 2/28/202556,530,000 shares $1.16 billion +5.2%15.2%2.9 $20.44 2/15/202553,720,000 shares $1.51 billion +3.7%13.1%2.6 $28.02 1/31/202551,810,000 shares $1.51 billion -4.9%13.7%2.2 $29.05 1/15/202554,450,000 shares $1.35 billion +2.1%14.6%2.5 $24.87 12/31/202453,330,000 shares $1.36 billion +5.0%14.5%2.6 $25.47 12/15/202450,780,000 shares $1.24 billion +3.0%13.8%2.5 $24.42 11/30/202449,280,000 shares $1.34 billion -8.3%13.7%2.5 $27.28 11/15/202453,740,000 shares $1.02 billion -8.8%15.1%3 $19.00 10/31/202458,950,000 shares $630.77 million -5.1%19.1%3.9 $10.70 10/15/202462,130,000 shares $617.57 million +1.4%20.1%4.5 $9.94 9/30/202461,250,000 shares $595.96 million +5.3%19.8%4.7 $9.73 9/15/202458,180,000 shares $434.02 million +2.1%18.7%5.2 $7.46 8/31/202456,970,000 shares $357.20 million +1.1%18.4%5.3 $6.27 8/15/202456,350,000 shares $328.52 million +6.5%18.4%5.7 $5.83 7/31/202452,890,000 shares $277.14 million -6.5%17.6%7.3 $5.24 7/15/202456,590,000 shares $323.69 million +3.8%18.8%7.7 $5.72 6/30/202454,510,000 shares $261.65 million -3.8%18.1%7.4 $4.80 6/15/202456,650,000 shares $248.69 million +0.8%18.8%7.4 $4.39 5/31/202456,220,000 shares $245.68 million -4.0%18.8%7.6 $4.37 5/15/202458,560,000 shares $254.15 million -2.5%19.6%7.5 $4.34 4/30/202460,040,000 shares $225.75 million +3.5%20.8%7.6 $3.76 4/15/202458,000,000 shares $204.74 million +4.3%20.3%6.5 $3.53 3/31/202455,610,000 shares $228.56 million +9.7%19.6%6.4 $4.11 3/15/202450,700,000 shares $208.88 million +6.8%17.9%5.2 $4.12 2/29/202447,490,000 shares $217.74 million +2.8%16.4%5.2 $4.59 2/15/202446,200,000 shares $225.92 million +105.9%16.1%5.4 $4.89 1/31/202422,440,000 shares $108.83 million -2.9%7.6%2.8 $4.85 1/15/202423,100,000 shares $119.43 million +4.1%7.9%4 $5.17 12/31/202322,190,000 shares $122.71 million +5.7%7.6%3.9 $5.53 12/15/202321,000,000 shares $96.81 million +5.1%7.1%4.1 $4.61 11/30/202319,980,000 shares $87.51 million -2.5%6.8%4.7 $4.38 11/15/202320,500,000 shares $90.20 million -7.0%7.0%4.9 $4.40 10/31/202322,040,000 shares $93.23 million -2.7%7.9%5.8 $4.23 10/15/202322,650,000 shares $97.17 million -2.8%8.1%5.5 $4.29 9/30/202323,290,000 shares $102.01 million +13.0%8.3%4.9 $4.38 9/15/202320,620,000 shares $105.57 million +7.3%7.4%4.2 $5.12 8/31/202319,210,000 shares $121.22 million -4.2%7.0%4.3 $6.31 8/15/202320,050,000 shares $122.10 million +3.1%7.3%4.3 $6.09 7/31/202319,440,000 shares $143.27 million -16.3%7.4%4 $7.37 7/15/202323,220,000 shares $146.75 million +1.0%8.8%5.2 $6.32 6/30/202322,990,000 shares $137.94 million -5.1%8.8%6 $6.00 6/15/202324,220,000 shares $137.57 million +9.0%9.2%6.6 $5.68 5/31/202322,220,000 shares $101.77 million -13.6%8.5%6.7 $4.58 5/15/202325,710,000 shares $111.58 million +4.4%9.8%7.7 $4.34 4/30/202324,630,000 shares $96.55 million +1.5%9.4%7.7 $3.92 4/15/202324,260,000 shares $97.53 million -1.0%9.3%7.1 $4.02 3/31/202324,500,000 shares $98.98 million -1.0%9.4%6.7 $4.04 3/15/202324,750,000 shares $97.02 million +12.6%9.5%6.7 $3.92 2/28/202321,990,000 shares $98.96 million -5.3%8.6%6 $4.50 2/15/202323,220,000 shares $119.82 million +0.5%9.0%6.4 $5.16 1/31/202323,110,000 shares $114.86 million +14.4%9.0%6.2 $4.97 1/15/202320,210,000 shares $100.44 million -13.6%7.9%5.9 $4.97 12/30/202223,390,000 shares $88.18 million +21.3%9.1%7.4 $3.77 12/15/202219,280,000 shares $77.70 million +0.1%7.7%5.9 $4.03 11/30/202219,260,000 shares $80.70 million -9.4%7.8%5.4 $4.19 11/15/202221,250,000 shares $110.93 million +10.0%8.6%5.8 $5.22 10/31/202219,320,000 shares $98.34 million +3.2%7.8%4.9 $5.09 10/15/202218,720,000 shares $73.94 million -0.5%7.6%4.6 $3.95 9/30/202218,810,000 shares $76.56 million +12.5%7.6%4.8 $4.07 9/15/202216,720,000 shares $85.27 million +3.5%6.8%3.7 $5.10 8/31/202216,150,000 shares $88.83 million -1.8%6.6%3.7 $5.50 8/15/202216,450,000 shares $108.73 million -3.9%6.8%3.5 $6.61 7/31/202217,110,000 shares $79.90 million -2.7%7.5%3.7 $4.67 7/15/202217,590,000 shares $69.48 million +4.3%7.7%3.8 $3.95 6/30/202216,870,000 shares $63.94 million +39.5%7.3%3.5 $3.79 6/15/202212,090,000 shares $52.35 million -12.8%5.3%2.5 $4.33 5/31/202213,870,000 shares $66.02 million +3.2%6.1%2.8 $4.76 5/15/202213,440,000 shares $78.76 million -2.8%6.5%2.7 $5.86 4/30/202213,820,000 shares $101.99 million -4.2%6.8%3.2 $7.38 4/15/202214,420,000 shares $121.42 million +3.2%7.1%3.3 $8.42 3/31/202213,970,000 shares $112.46 million +56.1%7.2%3.3 $8.05 3/15/20228,950,000 shares $70.88 million +2.2%4.8%2.3 $7.92 2/28/20228,760,000 shares $83.57 million +29.0%5.1%2.7 $9.54 2/15/20226,790,000 shares $68.99 million +7.6%7.5%2.1 $10.16 1/31/20226,310,000 shares $57.04 million +8.6%4.0%1.9 $9.04 1/15/20225,810,000 shares $60.54 million -12.8%3.7%1.8 $10.42 12/31/20216,660,000 shares $81.78 million No Change4.2%1.9 $12.28 RKLB Short Interest - Frequently Asked Questions What is Rocket Lab's current short interest? Short interest is the volume of Rocket Lab shares that have been sold short but have not yet been covered or closed out. As of September 30th, investors have sold 57,760,000 shares of RKLB short. 13.66% of Rocket Lab's shares are currently sold short. Learn More on Rocket Lab's current short interest. What is a good short interest ratio for Rocket Lab? 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. RKLB shares currently have a short interest ratio of 2.0. Learn More on Rocket Lab's short interest ratio. Which institutional investors are shorting Rocket Lab? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Rocket Lab: Vontobel Holding Ltd., Venture Visionary Partners LLC, Wolverine Trading LLC, Sculptor Capital LP, Group One Trading LLC, Cubist Systematic Strategies LLC, Bank of America Corp DE, Jane Street Group LLC, Raymond James Financial Inc., Squarepoint Ops LLC, Walleye Capital LLC, Walleye Trading LLC, HBK Investments L P, Capital Fund Management S.A., Wolverine Asset Management LLC, Twin Tree Management LP, and NorthRock Partners LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Rocket Lab? 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. 13.66% of Rocket Lab's floating shares are currently sold short. Is Rocket Lab's short interest increasing or decreasing? Rocket Lab saw a decrease in short interest in September. As of September 30th, there was short interest totaling 57,760,000 shares, a decrease of 4.2% from the previous total of 60,310,000 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 Rocket Lab's float size? Rocket Lab currently has issued a total of 483,961,000 shares. Some of Rocket Lab'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. Rocket Lab currently has a public float of 422,700,000 shares. How does Rocket Lab's short interest compare to its competitors? 13.66% of Rocket Lab's shares are currently sold short. Here is how the short interest of companies compare to Rocket Lab: United Parcel Service, Inc. (2.51%), FedEx Corporation (2.28%), Expeditors International of Washington, Inc. (4.53%), XPO, Inc. (9.14%), C.H. Robinson Worldwide, Inc. (7.00%), Hub Group, Inc. (1.78%), Forward Air Corporation (17.90%), Park-Ohio Holdings Corp. (1.13%), Transdigm Group Incorporated (2.01%), Axon Enterprise, Inc (2.41%), 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 ($15.71 billion), Robinhood Markets, Inc. ($7.56 billion), Reddit Inc. ($4.55 billion), Coinbase Global, Inc. ($4.53 billion), CoreWeave Inc. ($4.43 billion), Charter Communications, Inc. ($4.07 billion), Seagate Technology Holdings PLC ($3.94 billion), IonQ, Inc. ($3.78 billion), TC Energy Corporation ($3.13 billion), and Live Nation Entertainment, Inc. ($3.12 billion). View all of the most shorted stocks. What does it mean to sell short Rocket Lab stock? Short selling RKLB is an investing strategy that aims to generate trading profit from Rocket Lab as its price is falling. RKLB shares are trading down $1.07 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 Rocket Lab? A short squeeze for Rocket Lab 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 RKLB, which in turn drives the price of the stock up even further. How often is Rocket Lab'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 RKLB, twice per month. The most recent reporting period available is September, 30 2025. More Short Interest Resources from MarketBeat Related Companies UPS Short Interest Data FDX Short Interest Data EXPD Short Interest Data XPO Short Interest Data CHRW Short Interest Data HUBG Short Interest Data FWRD Short Interest Data PKOH Short Interest Data TDG Short Interest Data AXON 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 (NASDAQ:RKLB) was last updated on 10/21/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | 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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