Spire Global (SPIR) Short Interest Ratio & Short Volume $9.70 +0.05 (+0.52%) As of 02:55 PM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest Spire Global Short Interest OverviewAs of October 15, 2026, Spire Global (SPIR) had a short interest of 3.70 million shares sold short, representing 10.87% of the public float. This marks a -1.69% decrease in short interest since the prior report. The short interest ratio (days to cover) is 5.9, meaning it would take 5.9 days of the average trading volume of 1.07 million shares to cover all short positions.Current Short Interest3,696,999 sharesPrevious Short Interest3,760,468 sharesChange Vs. Previous Month-1.69%Dollar Volume Sold Short$34.56 millionShort Interest Ratio5.9 Days to CoverLast Record DateOctober 15, 2026Outstanding Shares39,115,000 sharesShort Percent of Float10.87%Today's Trading Volume151,554 sharesAverage Trading Volume1,065,770 sharesToday's Volume Vs. Average14% Short Selling Spire Global? Sign up to receive the latest short interest report for Spire Global and its competitors with MarketBeat's FREE newsletter. Email Address Get Report View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartSPIR Short Interest Over TimeSPIR Days to Cover Over TimeSPIR Percentage of Float Shorted Over Time Spire Global Tesla Short Interest History & Recent Changes ExportReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 10/15/20263,696,999 shares $34.56 million -1.7%10.9%5.92 $9.35 9/30/20263,760,468 shares $42.25 million +0.9%11.1%4.98 $11.23 9/15/20263,726,806 shares $43.13 million +2.2%11.0%6.49 $11.57 8/31/20263,647,960 shares $48.08 million -3.2%10.7%7.15 $13.18 8/14/20263,766,878 shares $52.67 million -10.5%11.1%6.25 $13.98 7/31/20264,209,556 shares $48.27 million -1.3%12.5%4.92 $11.47 7/15/20264,264,763 shares $58.40 million -0.7%12.7%5.02 $13.69 6/30/20264,294,441 shares $79.87 million -3.3%12.8%2.55 $18.60 6/15/20264,440,358 shares $81.92 million +4.9%13.2%3.08 $18.45 5/29/20264,234,344 shares $95.87 million -5.0%12.6%2.45 $22.64 Get the Latest News and Ratings for SPIR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Spire Global and its competitors with MarketBeat's FREE daily newsletter. 5/15/20264,454,843 shares $89.23 million -22.1%13.2%2.66 $20.03 4/30/20265,719,729 shares $102.01 million -7.4%19.6%3.26 $17.83 4/15/20266,173,856 shares $126.89 million +70.6%18.3%1.66 $20.55 3/31/20263,619,050 shares $45.42 million -3.5%10.8%3.98 $12.55 3/13/20263,750,995 shares $40.69 million +3.8%13.1%7.42 $10.85 2/27/20263,615,079 shares $31.91 million +4.1%12.8%8.75 $8.83 2/13/20263,472,243 shares $32.90 million +3.2%10.3%6.39 $9.47 1/30/20263,364,438 shares $38.59 million -5.1%11.9%3.37 $11.47 1/15/20263,544,927 shares $38.66 million +3.0%12.6%4.47 $10.91 12/31/20253,440,292 shares $25.77 million +3.7%12.2%3.09 $7.49 12/15/20253,316,359 shares $30.12 million -1.3%11.7%8 $9.08 11/28/20253,360,422 shares $27.42 million +22.3%12.0%6.77 $8.16 11/14/20252,747,263 shares $20.58 million +11.3%9.8%3.8 $7.49 10/31/20252,468,056 shares $26.84 million +1.4%8.8%6.74 $10.88 10/15/20252,430,000 shares $33.27 million -13.5%10.2%4.7 $13.69 9/30/20252,810,000 shares $30.87 million -1.8%11.9%5 $10.99 9/15/20252,860,000 shares $28.10 million +13.5%12.1%5 $9.83 8/31/20252,520,000 shares $22.85 million -7.4%10.6%4.2 $9.07 8/15/20252,720,000 shares $24.75 million +7.1%11.5%4.4 $9.10 7/31/20252,540,000 shares $25.44 million -11.8%10.7%4.2 $10.02 7/15/20252,880,000 shares $31.42 million -5.6%12.2%4.5 $10.91 6/30/20253,050,000 shares $36.36 million -1.9%12.9%4.6 $11.92 6/15/20253,110,000 shares $33.92 million -14.3%13.2%4.8 $10.91 5/31/20253,630,000 shares $37.64 million -11.3%15.3%5.7 $10.37 5/15/20254,090,000 shares $47.93 million +13.3%16.8%6.4 $11.72 4/30/20253,610,000 shares $34.01 million +15.3%15.0%4.9 $9.42 4/15/20253,130,000 shares $28.86 million +7.9%13.0%4.4 $9.22 3/31/20252,900,000 shares $23.52 million -0.7%12.0%4 $8.11 3/15/20252,920,000 shares $25.13 million +4.3%12.2%4.6 $8.61 2/28/20252,800,000 shares $31.93 million +11.6%14.0%4.9 $11.41The investigation Porter spent tens of thousands to document (Ad)Porter Stansberry flew the Porter and Co. team 3,300 miles to Dublin to investigate a 17-year investing experiment called Project Prophet - and documented everything on film. Rooted in the laws of physics, this quantitative approach challenges conventional wealth-building wisdom. With 17 years of verified data behind it, Porter calls it unlike anything he has seen in nearly 30 years in the business.Watch the full investigation and decide for yourself 2/15/20252,510,000 shares $29.45 million +30.7%13.5%4.7 $11.74 1/31/20251,920,000 shares $32.88 million -1.5%10.5%4.7 $17.13 1/15/20251,950,000 shares $26.93 million +2.1%10.6%5.2 $13.81 12/31/20241,910,000 shares $26.87 million +2.1%10.3%6.8 $14.07 12/15/20241,870,000 shares $25.26 million -9.2%10.1%6.7 $13.51 11/30/20242,060,000 shares $33.66 million -10.4%11.1%7.4 $16.34 11/15/20242,300,000 shares $31.00 million -21.0%12.5%7.9 $13.48 10/31/20242,910,000 shares $28.84 million -8.8%15.8%8.5 $9.91 10/15/20243,190,000 shares $30.94 million -10.6%16.9%8.8 $9.70 9/30/20243,570,000 shares $35.63 million -8.5%18.9%8.9 $9.98 9/15/20243,900,000 shares $36.27 million -4.4%20.6%8 $9.30 8/31/20244,080,000 shares $35.01 million +6.3%21.6%8.3 $8.58 8/15/20243,840,000 shares $25.92 million +3.0%19.5%7.9 $6.75 7/31/20243,730,000 shares $52.03 million -2.1%19.0%8.3 $13.95 7/15/20243,810,000 shares $49.38 million +45.4%18.9%8.7 $12.96 6/30/20242,620,000 shares $28.40 million +9.6%13.3%6.1 $10.84 6/15/20242,390,000 shares $25.14 million +8.6%12.2%5.9 $10.52 5/31/20242,200,000 shares $20.13 million -1.4%11.2%3.5 $9.15 5/15/20242,230,000 shares $25.29 million +21.9%11.3%3.6 $11.34 4/30/20241,830,000 shares $19.11 million +50.0%10.3%3.4 $10.44 4/15/20241,220,000 shares $12.41 million +17.3%6.8%2.3 $10.17 3/31/20241,040,000 shares $12.48 million +10.5%6.4%2.2 $12.00 3/15/2024941,500 shares $11.25 million +38.7%6.4%2.1 $11.95 2/29/2024679,000 shares $8.45 million 0.0%4.3%4.1 $12.44 2/15/2024679,100 shares $8.07 million +15.2%4.5%4.6 $11.88 1/31/2024589,300 shares $4.19 million +11.2%3.9%4.5 $7.11 1/15/2024530,200 shares $3.65 million +36.7%3.6%4.4 $6.89 12/31/2023388,000 shares $3.03 million -21.4%2.6%3.3 $7.82 12/15/2023493,500 shares $3.54 million -31.5%3.3%4.3 $7.17 11/30/2023720,200 shares $3.66 million -15.4%4.8%6.7 $5.08 11/15/2023850,900 shares $4.20 million +11.8%5.7%7.6 $4.94 10/31/2023760,800 shares $2.75 million +29.4%5.1%6.1 $3.62 10/15/2023588,100 shares $2.21 million +68.8%4.1%4.7 $3.75 9/30/2023348,400 shares $1.70 million +23.9%2.4%2.8 $4.89 9/15/2023281,200 shares $1.56 million -40.1%2.0%1.8 $5.53 8/31/2023469,300 shares $2.46 million -79.1%3.5%2.1 $5.25 8/15/20232,240,000 shares $1.50 million -17.7%2.1%1.3 $0.67 7/31/20232,720,000 shares $1.94 million +1.9%2.9%1.8 $0.71 7/15/20232,670,000 shares $1.75 million -2.2%2.8%1.8 $0.66 6/30/20232,730,000 shares $1.44 million -55.5%2.9%1.9 $0.53 6/15/20236,130,000 shares $4.08 million +11.3%6.5%4.6 $0.66 5/31/20235,510,000 shares $4.05 million +19.3%5.8%8.8 $0.74 5/15/20234,620,000 shares $3.33 million -9.4%4.6%7.9 $0.72 4/30/20235,100,000 shares $3.57 million +0.4%5.3%9.6 $0.70 4/15/20235,080,000 shares $3.09 million +10.0%5.7%9.6 $0.61 3/31/20234,620,000 shares $3.09 million +5.0%5.1%8.9 $0.67 3/15/20234,400,000 shares $3.52 million +12.5%5.0%8.9 $0.80 2/28/20233,910,000 shares $4.03 million +11.4%4.1%8.2 $1.03 2/15/20233,510,000 shares $3.83 million -17.6%3.7%7.9 $1.09 1/31/20234,260,000 shares $5.07 million -6.8%4.3%10.3 $1.19The investigation Porter spent tens of thousands to document (Ad)Porter Stansberry flew the Porter and Co. team 3,300 miles to Dublin to investigate a 17-year investing experiment called Project Prophet - and documented everything on film. Rooted in the laws of physics, this quantitative approach challenges conventional wealth-building wisdom. With 17 years of verified data behind it, Porter calls it unlike anything he has seen in nearly 30 years in the business.Watch the full investigation and decide for yourself 1/15/20234,570,000 shares $5.76 million +16.0%4.6%11.3 $1.26 12/30/20223,940,000 shares $3.78 million -14.2%3.9%9.6 $0.96 12/15/20224,590,000 shares $5.51 million +0.2%4.6%11 $1.20 11/30/20224,580,000 shares $5.77 million +5.5%4.6%10.5 $1.26 11/15/20224,340,000 shares $6.25 million -9.4%4.3%9.3 $1.44 10/31/20224,790,000 shares $6.90 million -7.4%4.7%8.8 $1.44 10/15/20225,170,000 shares $5.58 million +3.0%5.1%8.5 $1.08 9/30/20225,020,000 shares $5.42 million +11.1%5.0%7.9 $1.08 9/15/20224,520,000 shares $5.29 million -2.8%4.5%5.1 $1.17 8/31/20224,650,000 shares $6.28 million +5.7%4.6%5 $1.35 8/15/20224,400,000 shares $7.17 million -3.9%4.3%4.2 $1.63 7/31/20224,580,000 shares $6.87 million +5.1%4.5%4.3 $1.50 7/15/20224,360,000 shares $5.10 million +10.7%4.3%4.1 $1.17 6/30/20223,940,000 shares $4.57 million +177.5%3.9%3.8 $1.16 6/15/20221,420,000 shares $2.22 million -5.3%1.4%1.3 $1.56 5/31/20221,500,000 shares $2.30 million -5.7%1.4%1.4 $1.53 5/15/20221,590,000 shares $2.27 million +18.7%1.5%1.5 $1.43 4/30/20221,340,000 shares $2.22 million +3.1%1.3%1.3 $1.66 4/15/20221,300,000 shares $2.44 million +6.6%1.2%1.1 $1.88 3/31/20221,220,000 shares $2.56 million +15.1%1.2%1 $2.10 3/15/20221,060,000 shares $1.90 million -17.8%1.0%0.9 $1.79 2/28/20221,290,000 shares $2.80 million -25.0%1.2%1.2 $2.17 2/15/20221,720,000 shares $5.23 million +27.4%1.8%1.5 $3.04 1/31/20221,350,000 shares $3.36 million +32.4%1.3%1.2 $2.49 1/15/20221,020,000 shares $2.83 million +1.0%1.0%0.9 $2.77 12/31/20211,010,000 shares $3.41 million No Change1.0%0.9 $3.38 SPIR Short Interest - Frequently Asked Questions What is Spire Global's current short interest? Short interest is the volume of Spire Global shares that have been sold short but have not yet been covered or closed out. As of October 15th, investors have sold 3,696,999 shares of SPIR short. 10.87% of Spire Global's shares are currently sold short. Learn More on Spire Global's current short interest. What is a good short interest ratio for Spire Global? 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. SPIR shares currently have a short interest ratio of 5.9. Learn More on Spire Global's short interest ratio. What is a good short interest percentage for Spire Global? 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. 10.87% of Spire Global's floating shares are currently sold short. Is Spire Global's short interest increasing or decreasing? Spire Global saw a decline in short interest in October. As of October 15th, there was short interest totaling 3,696,999 shares, a decline of 1.7% from the previous total of 3,760,468 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 Spire Global's short interest compare to its competitors? 10.87% of Spire Global's shares are currently sold short. Here is how the short interest of companies in the industry of "research & consulting services" compare to Spire Global: Red Violet, Inc. (4.19%), Charles River Associates (5.45%), Clarivate PLC (9.48%), LegalZoom.com, Inc. (8.13%), Willdan Group, Inc. (12.51%), Falcon's Beyond Global, Inc. (2.11%), BlackSky Technology Inc. (18.05%), Mistras Group Inc (2.50%), Roma Green Finance Limited (1.29%), Public Policy Holding Company, Inc. (2.02%), Which stocks are the most shorted right now? As of the most recent reporting period, the following stocks had the largest short interest positions: SPDR S&P 500 ETF Trust ($71.77 billion), Invesco QQQ ($59.70 billion), iShares Russell 2000 ETF ($23.54 billion), Medtronic PLC ($13.33 billion), SPDR S&P Biotech ETF ($10.47 billion), iShares iBoxx $ High Yield Corporate Bond ETF ($10.36 billion), Nebius Group N.V. ($8.98 billion), iShares 20+ Year Treasury Bond ETF ($8.92 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($8.10 billion), and iShares Semiconductor ETF ($7.74 billion). View all of the most shorted stocks. What does it mean to sell short Spire Global stock? Short selling SPIR is an investing strategy that aims to generate trading profit from Spire Global as its price is falling. SPIR shares are trading up $0.05 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 Spire Global? A short squeeze for Spire Global 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 SPIR, which in turn drives the price of the stock up even further. How often is Spire Global'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 SPIR, twice per month. The most recent reporting period available is October, 15 2026. What do SPIR's short interest metrics mean? Understanding short interest metrics can help you assess how traders are positioning around a stock like SPIR:Shares Sold Short: The total number of shares that have been sold by short sellers but have not yet been covered or closed out. A high number may indicate bearish sentiment.Short Float: The percentage of a company’s publicly available shares (or "float") that are sold short. A higher short float suggests a greater portion of the stock is being bet against.Days to Cover (Short Interest Ratio): This estimates how many days it would take short sellers to cover their positions, based on average daily trading volume. Higher values can signal potential for a short squeeze if buying pressure increases.These metrics are often used by traders to gauge sentiment, volatility risk, and the potential for price movements based on short covering activity. More Short Interest Resources from MarketBeat Related Companies RDVT Short Interest Data CRAI Short Interest Data CLVT Short Interest Data LZ Short Interest Data WLDN Short Interest Data FBYD Short Interest Data BKSY Short Interest Data MG Short Interest Data ROMA Short Interest Data PPHC Short Interest Data Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates Short interest data for NYSE:SPIR is sourced from the Financial Industry Regulatory Authority (FINRA), with the most recent report published on 10/26/2026. FINRA publishes updated short interest twice a month. From Our PartnersFinancial legend: “This is bad, really bad...”Dr. Martin D. 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