FormFactor (FORM) Short Interest Ratio & Short Volume $29.42 +0.21 (+0.72%) Closing price 04:00 PM EasternExtended Trading$29.18 -0.24 (-0.80%) As of 06:24 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock FormFactor Short Interest DataFormFactor (FORM) has a short interest of 2.61 million shares, representing 3.42% of the float (the number of shares available for trading by the public). This marks a -16.35% decrease in short interest from the previous month. The short interest ratio (days to cover) is 3.6, indicating that it would take 3.6 days of the average trading volume of 830,568 shares to cover all short positions.Current Short Interest2,610,000 sharesPrevious Short Interest3,120,000 sharesChange Vs. Previous Month-16.35%Dollar Volume Sold Short$74.15 millionShort Interest Ratio3.6 Days to CoverLast Record DateJuly 31, 2025Outstanding Shares77,110,000 sharesFloat Size76,360,000 sharesShort Percent of Float3.42%Today's Trading Volume688,375 sharesAverage Trading Volume830,568 sharesToday's Volume Vs. Average83% Short Selling FormFactor? Sign up to receive the latest short interest report for FormFactor 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. 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Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartFORM Short Interest Over TimeFORM Days to Cover Over TimeFORM Percentage of Float Shorted Over Time FormFactor Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 7/31/20252,610,000 shares $74.15 million -16.4%3.4%3.6 $28.41 7/15/20253,120,000 shares $109.04 million -9.0%4.1%4.8 $34.95 6/30/20253,430,000 shares $118.03 million +0.6%4.5%4.4 $34.41 6/15/20253,410,000 shares $114.68 million -2.6%4.5%4.2 $33.63 5/31/20253,500,000 shares $104.16 million -0.3%4.6%4.2 $29.76 5/15/20253,510,000 shares $115.20 million +4.2%4.6%4.1 $32.82 4/30/20253,370,000 shares $94.83 million -4.0%4.4%3.5 $28.14 4/15/20253,510,000 shares $95.16 million +8.7%4.6%3.7 $27.11 3/31/20253,230,000 shares $91.38 million +0.3%4.2%3.5 $28.29 3/15/20253,220,000 shares $103.04 million -11.5%4.2%3.4 $32.00 Get the Latest News and Ratings for FORM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for FormFactor and its competitors with MarketBeat's FREE daily newsletter. 2/28/20253,640,000 shares $121.21 million -9.0%4.7%3.9 $33.30 2/15/20254,000,000 shares $151.20 million +14.9%5.2%4.6 $37.80 1/31/20253,480,000 shares $139.37 million -2.3%4.6%3.9 $40.05 1/15/20253,560,000 shares $153.76 million -1.1%4.6%4.4 $43.19 12/31/20243,600,000 shares $158.40 million +12.2%4.7%4.5 $44.00 12/15/20243,210,000 shares $136.43 million +19.3%4.2%4.3 $42.50 11/30/20242,690,000 shares $107.76 million +3.9%3.5%4.2 $40.06 11/15/20242,590,000 shares $97.90 million +13.6%3.4%4 $37.80 10/31/20242,280,000 shares $86.59 million +26.0%3.0%3.8 $37.98 10/15/20241,810,000 shares $81.00 million -13.0%2.4%2.7 $44.75 9/30/20242,080,000 shares $95.68 million -12.2%2.7%3.1 $46.00 9/15/20242,370,000 shares $104.47 million +6.8%3.1%3.4 $44.08 8/31/20242,220,000 shares $108.27 million +4.2%2.9%3.2 $48.77 8/15/20242,130,000 shares $104.63 million +23.1%2.8%3.1 $49.12 7/31/20241,730,000 shares $92.66 million -1.1%2.3%2.5 $53.56 7/15/20241,750,000 shares $106.70 million -4.9%2.3%2.9 $60.97 6/30/20241,840,000 shares $111.38 million -0.5%2.4%3.2 $60.53 6/15/20241,850,000 shares $106.25 million +5.7%2.4%3.4 $57.43 5/31/20241,750,000 shares $95.76 million -15.1%2.3%3.3 $54.72 5/15/20242,060,000 shares $112.89 million -16.3%2.7%4 $54.80 4/30/20242,460,000 shares $109.69 million -2.0%3.2%4.7 $44.59 4/15/20242,510,000 shares $110.67 million +14.6%3.3%5.4 $44.09 3/31/20242,190,000 shares $99.93 million -0.5%2.9%4.7 $45.63 3/15/20242,200,000 shares $93.81 million -20.3%2.9%4.9 $42.64 2/29/20242,760,000 shares $118.76 million -3.2%3.6%5.7 $43.03 2/15/20242,850,000 shares $120.84 million +6.7%3.7%5.8 $42.40 1/31/20242,670,000 shares $103.52 million -1.1%3.5%5.3 $38.77 1/15/20242,700,000 shares $106.00 million -2.9%3.5%5.1 $39.26 12/31/20232,780,000 shares $115.95 million -10.6%3.6%5.3 $41.71 12/15/20233,110,000 shares $124.84 million -6.3%4.0%5.8 $40.14Trump’s SHOCKING Plan to Create MASSIVE Wealth for Americans (Ad)James Altucher says Donald Trump just made a move so surprising, it could go down as the most lucrative presidential decision in modern history. According to his research, this could set off a massive wealth wave—potentially turning a $900 investment into $108,000 in under a year. It has nothing to do with tariffs or trade wars—but it’s already gaining momentum, and the window to act is closing fast.Click here to discover the full details of Trump’s “Great Gain” strategy. 11/30/20233,320,000 shares $124.77 million +15.3%4.3%6.5 $37.58 11/15/20232,880,000 shares $111.05 million +17.6%3.7%5.9 $38.56 10/31/20232,450,000 shares $83.01 million -9.9%3.2%5.5 $33.88 10/15/20232,720,000 shares $92.13 million -5.6%3.6%6.9 $33.87 9/30/20232,880,000 shares $100.63 million +11.6%3.8%7.2 $34.94 9/15/20232,580,000 shares $80.99 million -3.4%3.4%6.5 $31.39 8/31/20232,670,000 shares $94.30 million -1.8%3.5%6.4 $35.32 8/15/20232,720,000 shares $84.92 million +8.8%3.6%6.1 $31.22 7/31/20232,500,000 shares $92.90 million -1.6%3.3%5.6 $37.16 7/15/20232,540,000 shares $90.60 million +0.4%3.3%5.8 $35.67 6/30/20232,530,000 shares $86.58 million -8.0%3.3%6 $34.22 6/15/20232,750,000 shares $84.40 million +1.1%3.6%6.5 $30.69 5/31/20232,720,000 shares $85.11 million -2.9%3.6%6.5 $31.29 5/15/20232,800,000 shares $80.98 million +2.9%3.7%7.1 $28.92 4/30/20232,720,000 shares $74.28 million -18.8%3.6%6.2 $27.31 4/15/20233,350,000 shares $100.13 million +5.0%4.4%7.2 $29.89 3/31/20233,190,000 shares $101.60 million +9.3%4.2%6.8 $31.85 3/15/20232,920,000 shares $84.48 million -6.1%3.8%6 $28.93 2/28/20233,110,000 shares $93.61 million -2.2%4.1%6.3 $30.10 2/15/20233,180,000 shares $103.64 million +10.4%4.2%6.3 $32.59 1/31/20232,880,000 shares $81.04 million +6.3%3.8%5.5 $28.14 1/15/20232,710,000 shares $68.16 million -1.5%3.6%4.4 $25.15 12/30/20222,750,000 shares $61.13 million +2.2%3.6%4.3 $22.23 12/15/20222,690,000 shares $62.14 million -1.8%3.5%4 $23.10 11/30/20222,740,000 shares $63.21 million +7.0%3.6%4.4 $23.07 11/15/20222,560,000 shares $58.70 million -6.9%3.4%4.2 $22.93 10/31/20222,750,000 shares $55.58 million -23.8%3.6%4.7 $20.21 10/15/20223,610,000 shares $89.85 million +5.6%4.7%7.4 $24.89 9/30/20223,420,000 shares $85.67 million +5.9%4.5%7.5 $25.05 9/15/20223,230,000 shares $86.21 million +8.8%4.2%7.3 $26.69 8/31/20222,970,000 shares $86.96 million +1.0%3.9%7 $29.28 8/15/20222,940,000 shares $102.22 million -6.1%3.9%6.6 $34.77 7/31/20223,130,000 shares $111.30 million +7.2%4.1%7.1 $35.56 7/15/20222,920,000 shares $109.56 million +3.6%3.8%7.2 $37.52 6/30/20222,820,000 shares $109.22 million -1.4%3.7%6.8 $38.73 6/15/20222,860,000 shares $106.28 million +12.6%3.7%7.3 $37.16 5/31/20222,540,000 shares $104.29 million +2.4%3.3%7.1 $41.06 5/15/20222,480,000 shares $97.66 million +2.1%3.2%7.5 $39.38 4/30/20222,430,000 shares $92.61 million +16.3%3.1%7.5 $38.11 4/15/20222,090,000 shares $75.24 million +0.5%2.7%6 $36.00 3/31/20222,080,000 shares $87.42 million -6.3%N/A5.8 $42.03 3/15/20222,220,000 shares $84.83 million +9.4%N/A6.3 $38.21 2/28/20222,030,000 shares $82.19 million +1.5%N/A5.4 $40.49 2/15/20222,000,000 shares $84.80 million +14.3%N/A5.5 $42.40 1/31/20221,750,000 shares $74.80 million +34.6%2.3%4.9 $42.74 1/15/20221,300,000 shares $58.14 million +7.4%1.7%3.8 $44.72 12/31/20211,210,000 shares $55.32 million +6.1%1.6%3.8 $45.72 12/15/20211,140,000 shares $49.19 million No Change1.5%3.7 $43.15 11/30/20211,140,000 shares $47.79 million -6.6%1.5%3.9 $41.92 11/15/20211,220,000 shares $52.05 million -8.3%1.6%4.1 $42.66Trump’s SHOCKING Plan to Create MASSIVE Wealth for Americans (Ad)James Altucher says Donald Trump just made a move so surprising, it could go down as the most lucrative presidential decision in modern history. According to his research, this could set off a massive wealth wave—potentially turning a $900 investment into $108,000 in under a year. It has nothing to do with tariffs or trade wars—but it’s already gaining momentum, and the window to act is closing fast.Click here to discover the full details of Trump’s “Great Gain” strategy. 10/29/20211,330,000 shares $52.91 million +22.0%1.7%4.5 $39.78 10/15/20211,090,000 shares $39.21 million -1.8%1.4%3.3 $35.97 9/30/20211,110,000 shares $41.44 million -14.0%1.4%3.3 $37.33 9/15/20211,290,000 shares $50.37 million -1.5%1.7%3.3 $39.05 8/31/20211,310,000 shares $50.93 million +5.7%1.7%3.2 $38.88 8/13/20211,240,000 shares $43.36 million -6.8%1.6%2.7 $34.97 7/30/20211,330,000 shares $49.56 million -2.2%1.7%2.6 $37.26 7/15/20211,360,000 shares $46.72 million +3.0%1.8%2.6 $34.35 6/30/20211,320,000 shares $48.13 million -2.2%1.7%2.6 $36.46 6/15/20211,350,000 shares $46.67 million -11.8%1.8%2.7 $34.57 5/28/20211,530,000 shares $53.93 million +14.2%2.0%3.2 $35.25 5/14/20211,340,000 shares $44.47 million +12.6%N/A2.7 $33.19 4/30/20211,190,000 shares $46.67 million -5.6%N/A2.5 $39.22 4/15/20211,260,000 shares $61.63 million +3.3%N/A2.9 $48.91 3/31/20211,220,000 shares $52.24 million -6.2%N/A2.6 $42.82 3/15/20211,300,000 shares $58.58 million -2.3%N/A2.8 $45.06 2/26/20211,330,000 shares $59.62 million -10.7%N/A2.8 $44.83 2/12/20211,490,000 shares $72.09 million +4.9%N/A3.2 $48.38 1/29/20211,420,000 shares $61.06 million -4.7%N/A2.8 $43.00 1/15/20211,490,000 shares $73.81 million +4.2%N/A2.9 $49.54 12/31/20201,430,000 shares $61.32 million +2.9%N/A2.7 $42.88 12/15/20201,390,000 shares $59.94 million -4.1%N/A2.6 $43.12 11/30/20201,450,000 shares $60.25 million -2.0%N/A2.6 $41.55 11/15/20201,480,000 shares $55.53 million -2.0%N/A2.7 $37.52 10/30/20201,510,000 shares $43.50 million +3.4%N/A2.9 $28.81 10/15/20201,460,000 shares $43.19 million +7.4%N/A2.7 $29.58 9/30/20201,360,000 shares $33.90 million +5.4%N/A2.4 $24.93 9/15/20201,290,000 shares $30.79 million -12.8%N/A2 $23.87 8/31/20201,480,000 shares $38.67 million +11.3%N/A2.2 $26.13 FORM Short Interest - Frequently Asked Questions What is FormFactor's current short interest? Short interest is the volume of FormFactor shares that have been sold short but have not yet been closed out or covered. As of July 31st, investors have sold 2,610,000 shares of FORM short. 3.42% of FormFactor's shares are currently sold short. Learn More on FormFactor's current short interest. What is a good short interest ratio for FormFactor? 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. FORM shares currently have a short interest ratio of 4.0. Learn More on FormFactor's short interest ratio. Which institutional investors are shorting FormFactor? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of FormFactor: Group One Trading LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for FormFactor? 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. 3.42% of FormFactor's floating shares are currently sold short. Is FormFactor's short interest increasing or decreasing? FormFactor saw a decline in short interest in the month of July. As of July 31st, there was short interest totaling 2,610,000 shares, a decline of 16.3% from the previous total of 3,120,000 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 FormFactor's float size? FormFactor currently has issued a total of 77,110,000 shares. Some of FormFactor'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. FormFactor currently has a public float of 76,360,000 shares. How does FormFactor's short interest compare to its competitors? 3.42% of FormFactor's shares are currently sold short. Here is how the short interest of companies compare to FormFactor: Axcelis Technologies, Inc. (17.17%), Applied Materials, Inc. (1.92%), Cohu, Inc. (3.19%), KLA Corporation (2.45%), Lam Research Corporation (2.26%), MKS Inc. (5.57%), NXP Semiconductors N.V. (2.94%), Teradyne, Inc. (5.01%), Veeco Instruments Inc. (7.53%), Onto Innovation Inc. (4.36%), 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 ($70.87 billion), Invesco QQQ ($30.12 billion), iShares Russell 2000 ETF ($19.85 billion), iShares 20+ Year Treasury Bond ETF ($10.34 billion), Strategy Inc ($8.98 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($7.61 billion), SPDR S&P Biotech ETF ($6.81 billion), Invesco S&P 500 Equal Weight ETF ($6.14 billion), Palo Alto Networks, Inc. ($5.97 billion), and Super Micro Computer, Inc. ($5.28 billion). View all of the most shorted stocks. What does it mean to sell short FormFactor stock? Short selling FORM is an investing strategy that aims to generate trading profit from FormFactor as its price is falling. FORM 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 FormFactor? A short squeeze for FormFactor 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 FORM, which in turn drives the price of the stock up even further. How often is FormFactor'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 FORM, twice per month. The most recent reporting period available is July, 31 2025. More Short Interest Resources from MarketBeat Related Companies Axcelis Technologies Short Squeeze Applied Materials Short Squeeze Cohu Short Squeeze KLA Short Squeeze Lam Research Short Squeeze MKS Short Squeeze NXP Semiconductors Short Squeeze Teradyne Short Squeeze Veeco Instruments Short Squeeze Onto Innovation Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NASDAQ:FORM) was last updated on 8/26/2025 by MarketBeat.com Staff From Our Partners“Sell Nvidia before earnings”Eric Fry just went live with one of his most controversial calls yet: “Sell Nvidia.” While Wall Street has bee...InvestorPlace | SponsoredEveryone’s watching Nvidia right now. 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