Calix (CALX) Short Interest Ratio & Short Volume $53.21 +1.91 (+3.72%) As of 03:58 PM Eastern Add Compare Share Share Short Interest Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Calix Short Interest DataCalix (CALX) has a short interest of 2.62 million shares, representing 4.46% of the float (the number of shares available for trading by the public). This marks a 7.38% increase in short interest from the previous month. The short interest ratio (days to cover) is 3.3, indicating that it would take 3.3 days of the average trading volume of 688,927 shares to cover all short positions.Current Short Interest2,620,000 sharesPrevious Short Interest2,440,000 sharesChange Vs. Previous Month+7.38%Dollar Volume Sold Short$123.59 millionShort Interest Ratio3.3 Days to CoverLast Record DateJune 15, 2025Outstanding Shares64,820,000 sharesFloat Size58,690,000 sharesShort Percent of Float4.46%Today's Trading Volume1,065,935 sharesAverage Trading Volume688,927 sharesToday's Volume Vs. Average155% Short Selling Calix? Sign up to receive the latest short interest report for Calix and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartCALX Short Interest Over TimeCALX Days to Cover Over TimeCALX Percentage of Float Shorted Over Time Calix Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 6/15/20252,620,000 shares $123.59 million +7.4%4.5%3.3 $47.17 5/31/20252,440,000 shares $113.05 million -5.8%4.2%2.8 $46.33 5/15/20252,590,000 shares $117.04 million +17.2%4.5%2.9 $45.19 4/30/20252,210,000 shares $90.39 million -13.3%3.8%2.5 $40.90 4/15/20252,550,000 shares $87.79 million +8.1%4.4%2.9 $34.43 3/31/20252,360,000 shares $83.77 million +3.5%4.0%3.3 $35.50 3/15/20252,280,000 shares $76.09 million +13.4%3.8%3.4 $33.37 2/28/20252,010,000 shares $74.31 million +2.0%3.4%3.3 $36.97 2/15/20251,970,000 shares $78.49 million -12.4%3.3%3.2 $39.84 1/31/20252,250,000 shares $89.49 million -14.5%3.8%3 $39.77 Get the Latest News and Ratings for CALX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Calix and its competitors with MarketBeat's FREE daily newsletter. 1/15/20252,630,000 shares $98.78 million -3.7%4.4%3.7 $37.56 12/31/20242,730,000 shares $95.20 million +11.0%4.6%3.9 $34.87 12/15/20242,460,000 shares $86.37 million -5.8%4.2%3.7 $35.11 11/30/20242,610,000 shares $84.90 million -2.6%4.4%3.9 $32.53 11/15/20242,680,000 shares $78.55 million +15.0%4.5%4.1 $29.31 10/31/20242,330,000 shares $82.48 million -2.5%3.9%4.8 $35.40 10/15/20242,390,000 shares $93.19 million -4.0%4.1%5 $38.99 9/30/20242,490,000 shares $96.55 million -8.1%4.3%4.5 $38.78 9/15/20242,710,000 shares $97.64 million -3.2%4.6%4.6 $36.03 8/31/20242,800,000 shares $104.27 million -4.8%4.8%4.8 $37.24 8/15/20242,940,000 shares $108.52 million -5.8%5.0%4.5 $36.91 7/31/20243,120,000 shares $128.33 million +0.7%5.3%4.8 $41.13 7/15/20243,100,000 shares $111.63 million +14.0%5.3%4.4 $36.01 6/30/20242,720,000 shares $96.37 million +0.7%4.7%4 $35.43 6/15/20242,700,000 shares $96.01 million -21.5%4.6%3.8 $35.56 5/31/20243,440,000 shares $122.91 million +3.6%5.9%3.6 $35.73 5/15/20243,320,000 shares $104.25 million -12.9%5.7%3.5 $31.40 4/30/20243,810,000 shares $105.69 million +11.4%6.5%3.9 $27.74 4/15/20243,420,000 shares $100.62 million -1.2%5.9%3.1 $29.42 3/31/20243,460,000 shares $114.73 million +14.6%6.0%3.4 $33.16 3/15/20243,020,000 shares $102.70 million +28.0%5.3%3.1 $34.01 2/29/20242,360,000 shares $82.25 million +4.4%4.1%3 $34.85 2/15/20242,260,000 shares $78.69 million -31.7%3.9%3.1 $34.82 1/31/20243,310,000 shares $109.83 million +5.8%5.7%4.3 $33.18 1/15/20243,130,000 shares $132.56 million +1.6%5.4%4.2 $42.35 12/31/20233,080,000 shares $134.57 million +20.8%5.3%4 $43.69 12/15/20232,550,000 shares $109.40 million -15.0%4.4%3.4 $42.90 11/30/20233,000,000 shares $115.71 million +11.1%5.2%4.1 $38.57 11/15/20232,700,000 shares $102.98 million +4.7%4.7%3.7 $38.14 10/31/20232,580,000 shares $85.42 million -20.9%4.5%3.7 $33.11A new rule goes live in July — and the banks are quietly cashing in (Ad)A major change is quietly going into effect this July — and Wall Street is already positioning for it. Big Banks have found a way to use a new asset as if it were cash. Not stocks. Not bonds. Not even the U.S. dollar. They now trust this asset more than the traditional financial system itself.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how 10/15/20233,260,000 shares $141.29 million +10.5%5.6%5 $43.34 9/30/20232,950,000 shares $135.23 million +15.7%5.1%4.9 $45.84 9/15/20232,550,000 shares $118.50 million +4.9%4.4%4.3 $46.47 8/31/20232,430,000 shares $113.07 million -4.0%4.2%3.9 $46.53 8/15/20232,530,000 shares $103.70 million +16.1%4.3%4 $40.99 7/31/20232,180,000 shares $98.31 million +9.6%3.7%3.4 $45.10 7/15/20231,990,000 shares $98.72 million -0.5%3.4%3 $49.61 6/30/20232,000,000 shares $99.76 million -2.9%3.4%3 $49.88 6/15/20232,060,000 shares $106.91 million +16.4%3.5%3 $51.90 5/31/20231,770,000 shares $82.46 million -8.3%3.0%2.6 $46.59 5/15/20231,930,000 shares $85.90 million +6.6%3.3%3 $44.51 4/30/20231,810,000 shares $82.72 million +0.6%3.1%2.6 $45.70 4/15/20231,800,000 shares $90.43 million +5.3%3.1%2.3 $50.24 3/31/20231,710,000 shares $91.64 million +1.2%2.9%2.2 $53.59 3/15/20231,690,000 shares $84.97 million +8.3%2.9%2.3 $50.28 2/28/20231,560,000 shares $79.79 million +1.3%2.7%2.2 $51.15 2/15/20231,540,000 shares $81.76 million -14.9%2.7%2.2 $53.09 1/31/20231,810,000 shares $95.28 million +61.6%3.2%2.5 $52.64 1/15/20231,120,000 shares $71.99 million -2.6%1.9%1.9 $64.28 12/30/20221,150,000 shares $78.69 million -13.5%2.0%2.3 $68.43 12/15/20221,330,000 shares $94.79 million -28.1%2.3%2.4 $71.27 11/30/20221,850,000 shares $131.91 million +22.5%3.2%3.3 $71.30 11/15/20221,510,000 shares $101.28 million -0.7%2.6%2.7 $67.07 10/31/20221,520,000 shares $111.93 million -3.2%2.6%2.7 $73.64 10/15/20221,570,000 shares $90.46 million -19.9%2.7%2.7 $57.62 9/30/20221,960,000 shares $119.83 million +12.0%3.4%3.4 $61.14 9/15/20221,750,000 shares $98.77 million +5.4%3.1%3.2 $56.44 8/31/20221,660,000 shares $97.69 million -19.4%2.9%3.1 $58.85 8/15/20222,060,000 shares $117.21 million -22.6%3.6%3.7 $56.90 7/31/20222,660,000 shares $151.73 million -4.3%4.7%4.6 $57.04 7/15/20222,780,000 shares $109.95 million +31.1%4.9%4.9 $39.55 6/30/20222,120,000 shares $72.38 million -6.6%3.8%3.7 $34.14 6/15/20222,270,000 shares $78.88 million +10.7%4.0%3.8 $34.75 5/31/20222,050,000 shares $75.73 million -22.1%3.6%3.1 $36.94 5/15/20222,630,000 shares $94.39 million +19.0%4.7%3.7 $35.89 4/30/20222,210,000 shares $88.20 million -10.5%3.9%3.2 $39.91 4/15/20222,470,000 shares $95.54 million +1.7%4.4%3.3 $38.68 3/31/20222,430,000 shares $104.27 million +2.5%4.3%2.9 $42.91 3/15/20222,370,000 shares $100.01 million +10.2%4.2%2.2 $42.20 2/28/20222,150,000 shares $116.83 million -17.6%3.8%2.1 $54.34 2/15/20222,610,000 shares $149.29 million +5.7%4.7%2.7 $57.20 1/31/20222,470,000 shares $124.19 million -5.4%4.4%2.6 $50.28 1/15/20222,610,000 shares $142.77 million +11.5%4.7%2.8 $54.70 12/31/20212,340,000 shares $187.13 million +27.9%4.2%2.7 $79.97 12/15/20211,830,000 shares $123.67 million +25.3%3.3%3.2 $67.58 11/30/20211,460,000 shares $97.76 million -21.1%2.6%2.6 $66.96 11/15/20211,850,000 shares $131.87 million -31.0%3.3%3.4 $71.28 10/29/20212,680,000 shares $167.74 million +2.3%4.8%5.1 $62.59 10/15/20212,620,000 shares $150.31 million -2.2%4.7%5.5 $57.37 9/30/20212,680,000 shares $132.47 million +5.1%4.8%5.7 $49.43A new rule goes live in July — and the banks are quietly cashing in (Ad)A major change is quietly going into effect this July — and Wall Street is already positioning for it. Big Banks have found a way to use a new asset as if it were cash. Not stocks. Not bonds. Not even the U.S. dollar. They now trust this asset more than the traditional financial system itself.To help you get started, we're giving away a FREE Wealth Protection Guide that shows you exactly how 9/15/20212,550,000 shares $122.81 million +2.8%4.6%5.3 $48.16 8/31/20212,480,000 shares $115.57 million +10.2%4.5%5.4 $46.60 8/13/20212,250,000 shares $101.39 million -0.4%4.1%4.9 $45.06 7/30/20212,260,000 shares $105.72 million +7.1%4.1%4.7 $46.78 7/15/20212,110,000 shares $89.32 million +1.9%3.9%4 $42.33 6/30/20212,070,000 shares $98.33 million -17.9%3.8%3.7 $47.50 6/15/20212,520,000 shares $114.74 million +2.9%4.6%3.9 $45.53 5/28/20212,450,000 shares $108.56 million -6.8%4.5%3.6 $44.31 5/14/20212,630,000 shares $102.46 million -3.0%4.8%3.1 $38.96 4/30/20212,710,000 shares $116.50 million -1.5%5.0%3 $42.99 4/15/20212,750,000 shares $120.42 million -1.1%5.0%2.9 $43.79 3/31/20212,780,000 shares $92.63 million -21.5%5.1%2.9 $33.32 3/15/20213,540,000 shares $164.19 million +14.6%6.5%3.9 $46.38 2/26/20213,090,000 shares $116.03 million +15.3%5.7%3.2 $37.55 2/12/20212,680,000 shares $98.46 million -11.3%4.9%3 $36.74 1/29/20213,020,000 shares $98.27 million -6.2%5.6%3.3 $32.54 1/15/20213,220,000 shares $105.55 million -1.5%6.0%3.8 $32.78 12/31/20203,270,000 shares $98.26 million +13.5%6.1%3.5 $30.05 12/15/20202,880,000 shares $83.69 million +33.3%5.4%3 $29.06 11/30/20202,160,000 shares $51.73 million +14.3%4.0%2.5 $23.95 11/15/20201,890,000 shares $46.66 million +3.3%3.5%2 $24.69 10/30/20201,830,000 shares $44.29 million +2.8%3.4%1.9 $24.20 10/15/20201,780,000 shares $36.83 million -11.4%3.3%1.7 $20.69 9/30/20202,010,000 shares $35.74 million -1.0%3.8%2 $17.78 9/15/20202,030,000 shares $38.55 million +18.7%3.8%2 $18.99 8/31/20201,710,000 shares $33.26 million -5.5%3.2%1.7 $19.45 8/14/20201,810,000 shares $37.99 million +7.1%3.4%2 $20.99 7/31/20201,690,000 shares $34.66 million +15.8%3.2%1.9 $20.51 7/15/20201,460,000 shares $21.96 million -4.0%2.9%1.8 $15.04 6/30/20201,520,000 shares $22.45 million +46.2%3.1%2.5 $14.77 CALX Short Interest - Frequently Asked Questions What is Calix's current short interest? Short interest is the volume of Calix shares that have been sold short but have not yet been closed out or covered. As of June 15th, traders have sold 2,620,000 shares of CALX short. 4.46% of Calix's shares are currently sold short. Learn More on Calix's current short interest. What is a good short interest ratio for Calix? 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. CALX shares currently have a short interest ratio of 3.0. Learn More on Calix's short interest ratio. Which institutional investors are shorting Calix? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Calix: Jane Street Group LLC, Parallax Volatility Advisers L.P., and Caption Management LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Calix? 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. 4.46% of Calix's floating shares are currently sold short. Is Calix's short interest increasing or decreasing? Calix saw a increase in short interest during the month of June. As of June 15th, there was short interest totaling 2,620,000 shares, an increase of 7.4% from the previous total of 2,440,000 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 Calix's float size? Calix currently has issued a total of 64,820,000 shares. Some of Calix'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. Calix currently has a public float of 58,690,000 shares. How does Calix's short interest compare to its competitors? 4.46% of Calix's shares are currently sold short. Here is how the short interest of companies compare to Calix: Juniper Networks, Inc. (2.40%), Ciena Corporation (3.51%), EchoStar Corporation (11.32%), InterDigital, Inc. (7.42%), Extreme Networks, Inc. (5.19%), Viasat Inc. (19.02%), Infinera Co. (0.07%), Digi International Inc. (4.94%), Bel Fuse Inc. (5.28%), Harmonic Inc. (1.95%), 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 ($69.26 billion), Invesco QQQ ($25.22 billion), iShares Russell 2000 ETF ($20.33 billion), iShares 20+ Year Treasury Bond ETF ($9.99 billion), MicroStrategy Incorporated ($9.12 billion), Canadian Natural Resources Limited ($6.73 billion), SPDR S&P Biotech ETF ($6.52 billion), Invesco S&P 500 Equal Weight ETF ($5.60 billion), Financial Select Sector SPDR Fund ($4.64 billion), and iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.59 billion). View all of the most shorted stocks. What does it mean to sell short Calix stock? Short selling CALX is an investing strategy that aims to generate trading profit from Calix as its price is falling. CALX shares are trading up $1.91 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 Calix? A short squeeze for Calix 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 CALX, which in turn drives the price of the stock up even further. How often is Calix'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 CALX, twice per month. The most recent reporting period available is June, 15 2025. More Short Interest Resources from MarketBeat Related Companies JNPR Short Squeeze CIEN Short Squeeze SATS Short Squeeze IDCC Short Squeeze EXTR Short Squeeze VSAT Short Squeeze INFN Short Squeeze DGII Short Squeeze BELFB Short Squeeze HLIT Short Squeeze Short Interest Tools Stocks to Short Largest Short Interest Positions Short Interest Increases Short Interest Decreases Short Interest Reporting Dates This page (NYSE:CALX) was last updated on 6/30/2025 by MarketBeat.com Staff From Our PartnersTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | SponsoredThis Crypto Is Set to Explode in JanuaryFree summit: How to profit from the Coinbase-Deribit deal Our hedge fund experts know exactly what this mea...Crypto 101 Media | Sponsored379 passengers walked away from thisElon Musk just wrote a $51 million check to back this material’s next phase… Because it’s not just saving l...True Market Insiders | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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