Phillips 66 (PSX) Short Interest Ratio & Short Volume $121.50 +0.55 (+0.45%) Closing price 06/12/2025 03:59 PM EasternExtended Trading$122.98 +1.48 (+1.22%) As of 08:32 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 AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Phillips 66 Short Interest DataPhillips 66 (PSX) has a short interest of 6.76 million shares, representing 1.66% of the float (the number of shares available for trading by the public). This marks a -22.21% decrease in short interest from the previous month. The short interest ratio (days to cover) is 2.0, indicating that it would take 2.0 days of the average trading volume of 3.02 million shares to cover all short positions.Current Short Interest6,760,000 sharesPrevious Short Interest8,690,000 sharesChange Vs. Previous Month-22.21%Dollar Volume Sold Short$765.98 millionShort Interest Ratio2.0 Days to CoverLast Record DateMay 31, 2025Outstanding Shares407,437,000 sharesFloat Size406,900,000 sharesShort Percent of Float1.66%Today's Trading Volume2,442,370 sharesAverage Trading Volume3,019,689 sharesToday's Volume Vs. Average81% Short Selling Phillips 66? Sign up to receive the latest short interest report for Phillips 66 and its competitors with MarketBeat's FREE newsletter. Email Address Skip Charts & View Short Interest HistoryShort Interest ChartDays to Cover ChartShort Percent of Float ChartPSX Short Interest Over TimePSX Days to Cover Over TimePSX Percentage of Float Shorted Over Time Phillips 66 Short Interest History Export to ExcelReport DateTotal Shares Sold ShortDollar Volume Sold ShortChange from Previous ReportPercentage of Float ShortedDays to CoverPrice on Report Date 5/31/20256,760,000 shares $765.98 million -22.2%1.7%2 $113.31 5/15/20258,690,000 shares $1.09 billion -36.6%2.1%2.4 $124.88 4/30/202513,710,000 shares $1.43 billion +3.2%3.4%3.8 $104.15 4/15/202513,280,000 shares $1.28 billion +104.0%3.3%3.5 $96.20 3/31/20256,510,000 shares $805.43 million -16.5%1.6%1.7 $123.72 3/15/20257,800,000 shares $989.35 million +7.1%1.9%2.1 $126.84 2/28/20257,280,000 shares $945.02 million +2.5%1.8%2.1 $129.81 2/15/20257,100,000 shares $910.47 million +7.3%1.8%2.1 $128.24 1/31/20256,620,000 shares $776.12 million -2.2%1.6%2.2 $117.24 1/15/20256,770,000 shares $805.90 million +6.3%1.6%2.4 $119.04 Get the Latest News and Ratings for PSX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Phillips 66 and its competitors with MarketBeat's FREE daily newsletter. 12/31/20246,370,000 shares $725.73 million -14.0%1.6%2.4 $113.93 12/15/20247,410,000 shares $909.36 million +3.1%1.8%2.8 $122.72 11/30/20247,190,000 shares $963.32 million +0.4%1.8%2.7 $133.98 11/15/20247,160,000 shares $937.32 million +18.2%1.7%2.6 $130.91 10/31/20246,060,000 shares $738.23 million -8.5%1.5%2.3 $121.82 10/15/20246,620,000 shares $869.87 million +1.4%1.6%2.5 $131.40 9/30/20246,530,000 shares $858.37 million -13.7%1.6%2.4 $131.45 9/15/20247,570,000 shares $959.12 million +6.0%1.8%2.9 $126.70 8/31/20247,140,000 shares $1.00 billion -4.9%1.7%2.9 $140.31 8/15/20247,510,000 shares $1.04 billion -7.5%1.8%3.2 $138.71 7/31/20248,120,000 shares $1.18 billion -7.6%1.9%3.5 $145.48 7/15/20248,790,000 shares $1.23 billion -2.3%2.1%3.8 $140.13 6/30/20249,000,000 shares $1.27 billion +1.8%2.1%3.8 $141.17 6/15/20248,840,000 shares $1.21 billion +3.9%2.1%3.8 $136.76 5/31/20248,510,000 shares $1.21 billion -0.2%2.0%3.4 $142.11 5/15/20248,530,000 shares $1.25 billion +6.8%2.0%3.3 $146.21 4/30/20247,990,000 shares $1.14 billion -0.9%1.9%2.8 $143.09 4/15/20248,060,000 shares $1.30 billion +0.3%1.9%2.7 $160.82 3/31/20248,040,000 shares $1.31 billion -7.7%1.9%2.6 $163.34 3/15/20248,710,000 shares $1.39 billion +8.6%2.0%2.8 $159.07 2/29/20248,020,000 shares $1.14 billion -13.8%1.9%2.6 $142.51 2/15/20249,300,000 shares $1.36 billion -0.8%2.2%2.8 $146.38 1/31/20249,370,000 shares $1.35 billion +5.9%N/A2.9 $144.31 1/15/20248,850,000 shares $1.18 billion -7.5%N/A2.8 $132.87 12/31/20239,570,000 shares $1.27 billion -6.7%N/A3.1 $133.14 12/15/202310,260,000 shares $1.33 billion +11.4%N/A3.3 $129.85 11/30/20239,210,000 shares $1.19 billion +17.8%N/A2.9 $128.87 11/15/20237,820,000 shares $902.74 million +3.4%N/A2.8 $115.44 10/31/20237,560,000 shares $862.37 million -1.6%N/A2.5 $114.07 10/15/20237,680,000 shares $849.41 million -10.8%N/A2.6 $110.60Your Bank Account Is No Longer Safe (Ad)What If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what the Department of Justice just admitted in court—claiming cash isn't legally your property. What does that mean? It means Washington thinks they can seize, freeze, or drain your accounts—whenever they want.Get your free guide now by clicking here >> 9/30/20238,610,000 shares $1.03 billion -13.5%N/A2.8 $120.15 9/15/20239,950,000 shares $1.20 billion +3.7%N/A3.2 $121.03 8/31/20239,600,000 shares $1.10 billion +1.6%N/A3.1 $114.16 8/15/20239,450,000 shares $1.07 billion -3.9%N/A3 $113.43 7/31/20239,830,000 shares $1.10 billion -11.7%N/A3.1 $111.55 7/15/202311,130,000 shares $1.12 billion +23.8%N/A3.4 $100.46 6/30/20238,990,000 shares $857.56 million -5.9%N/A2.7 $95.39 6/15/20239,550,000 shares $926.83 million +0.2%N/A2.8 $97.05 5/31/20239,530,000 shares $873.04 million -0.8%N/A2.5 $91.61 5/15/20239,610,000 shares $905.45 million -4.1%N/A2.6 $94.22 4/30/202310,020,000 shares $991.98 million +5.3%N/A2.7 $99.00 4/15/20239,520,000 shares $1.01 billion +1.9%N/A2.6 $106.26 3/31/20239,340,000 shares $946.89 million -15.5%N/A2.5 $101.38 3/15/202311,050,000 shares $1.03 billion +11.3%N/A3.1 $93.65 2/28/20239,930,000 shares $1.02 billion +4.5%N/A3.2 $102.56 2/15/20239,500,000 shares $1.01 billion -0.8%N/A3.1 $106.65 1/31/20239,580,000 shares $960.59 million -2.0%N/A3 $100.27 1/15/20239,780,000 shares $1.01 billion -3.2%N/A3.1 $103.03 12/30/202210,100,000 shares $1.05 billion -4.0%N/A3.1 $104.08 12/15/202210,520,000 shares $1.07 billion -15.9%N/A3.1 $101.47 11/30/202212,510,000 shares $1.36 billion +15.9%N/A3.5 $108.44 11/15/202210,790,000 shares $1.20 billion -14.6%N/A3.1 $111.11 10/31/202212,630,000 shares $1.32 billion -1.4%N/A3.7 $104.29 10/15/202212,810,000 shares $1.21 billion +0.1%N/A3.9 $94.10 9/30/202212,800,000 shares $1.03 billion +22.4%N/A3.9 $80.72 9/15/202210,460,000 shares $856.36 million -1.2%N/A3.2 $81.87 8/31/202210,590,000 shares $947.38 million -1.7%N/A3 $89.46 8/15/202210,770,000 shares $960.25 million -1.0%N/A2.9 $89.16 7/31/202210,880,000 shares $968.32 million +0.6%N/A2.8 $89.00 7/15/202210,820,000 shares $883.34 million +3.8%N/A2.6 $81.64 6/30/202210,420,000 shares $854.34 million +4.0%N/A2.4 $81.99 6/15/202210,020,000 shares $1.03 billion -3.1%N/A2.3 $102.38 5/31/202210,340,000 shares $1.04 billion +0.5%N/A2.3 $100.81 5/15/202210,290,000 shares $973.43 million +0.8%N/A2.2 $94.60 4/30/202210,210,000 shares $885.82 million -2.9%N/A2.2 $86.76 4/15/202210,510,000 shares $870.75 million +7.8%N/A2.3 $82.85 3/31/20229,750,000 shares $842.30 million +11.8%N/A2.2 $86.39 3/15/20228,720,000 shares $656.96 million -24.2%N/A2 $75.34 2/28/202211,510,000 shares $969.60 million -1.4%2.6%2.9 $84.24 2/15/202211,670,000 shares $1.03 billion +1.3%2.7%3.3 $88.42 1/31/202211,520,000 shares $976.78 million -2.0%2.6%3.3 $84.79 1/15/202211,750,000 shares $1.04 billion +17.6%2.7%3.4 $88.58 12/31/20219,990,000 shares $723.88 million +2.2%2.3%3.1 $72.46 12/15/20219,780,000 shares $689.69 million +5.4%2.2%2.9 $70.52 11/30/20219,280,000 shares $641.90 million -3.1%2.1%2.8 $69.17 11/15/20219,580,000 shares $755.96 million +7.4%2.2%3.1 $78.91 10/29/20218,920,000 shares $667.04 million +15.5%2.0%2.8 $74.78 10/15/20217,720,000 shares $627.02 million -6.2%1.8%2.6 $81.22 9/30/20218,230,000 shares $576.35 million +8.6%1.9%2.6 $70.03 9/15/20217,580,000 shares $500.51 million -0.9%1.7%2.4 $66.03Your Bank Account Is No Longer Safe (Ad)What If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what the Department of Justice just admitted in court—claiming cash isn't legally your property. What does that mean? It means Washington thinks they can seize, freeze, or drain your accounts—whenever they want.Get your free guide now by clicking here >> 8/31/20217,650,000 shares $543.84 million -11.7%1.8%2.5 $71.09 8/13/20218,660,000 shares $639.89 million +4.5%2.0%2.8 $73.89 7/30/20218,290,000 shares $608.73 million -3.6%1.9%2.7 $73.43 7/15/20218,600,000 shares $663.66 million -7.6%2.0%2.8 $77.17 6/30/20219,310,000 shares $798.98 million +2.5%2.1%3.3 $85.82 6/15/20219,080,000 shares $836.27 million -2.6%2.1%3.4 $92.10 5/28/20219,320,000 shares $784.93 million -3.5%2.1%3.6 $84.22 5/14/20219,660,000 shares $814.82 million +1.2%2.2%3.7 $84.35 4/30/20219,550,000 shares $774.70 million +10.4%2.2%3.6 $81.12 4/15/20218,650,000 shares $686.72 million -4.7%2.0%3.2 $79.39 3/31/20219,080,000 shares $747.37 million -14.6%2.1%3.2 $82.31 3/15/202110,630,000 shares $942.46 million -8.0%2.4%3.5 $88.66 2/26/202111,560,000 shares $978.44 million -1.5%2.7%3.8 $84.64 2/12/202111,730,000 shares $906.03 million -3.5%2.7%3.7 $77.24 1/29/202112,160,000 shares $868.83 million +4.5%2.8%3.4 $71.45 1/15/202111,640,000 shares $862.99 million +10.5%2.7%3.2 $74.14 12/31/202010,530,000 shares $743.42 million +9.4%2.4%2.8 $70.60 12/15/20209,630,000 shares $647.04 million +2.0%2.2%2.6 $67.19 11/30/20209,440,000 shares $615.77 million +15.3%2.2%2.5 $65.23 11/15/20208,190,000 shares $481.24 million -0.6%1.9%2.2 $58.76 10/30/20208,240,000 shares $378.88 million -5.3%1.9%2.3 $45.98 10/15/20208,700,000 shares $453.10 million -4.9%2.0%2.6 $52.08 9/30/20209,150,000 shares $474.34 million +19.0%2.1%2.8 $51.84 9/15/20207,690,000 shares $446.40 million +27.1%1.8%2.3 $58.05 8/31/20206,050,000 shares $353.74 million +4.1%1.4%1.8 $58.47 8/14/20205,810,000 shares $369.86 million -1.7%1.3%1.8 $63.66 7/31/20205,910,000 shares $366.54 million +5.5%1.4%1.8 $62.02 7/15/20205,600,000 shares $346.98 million +20.7%1.3%1.6 $61.96 6/30/20204,640,000 shares $333.62 million -20.7%1.1%1.2 $71.90 6/15/20205,850,000 shares $442.26 million -6.6%1.3%1.4 $75.60 PSX Short Interest - Frequently Asked Questions What is Phillips 66's current short interest? Short interest is the volume of Phillips 66 shares that have been sold short but have not yet been closed out or covered. As of May 31st, investors have sold 6,760,000 shares of PSX short. 1.66% of Phillips 66's shares are currently sold short. Learn More on Phillips 66's current short interest. What is a good short interest ratio for Phillips 66? 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. PSX shares currently have a short interest ratio of 2.0. Learn More on Phillips 66's short interest ratio. Which institutional investors are shorting Phillips 66? As of the most recent reporting period, the following institutional investors, funds, and major shareholders have reported short positions of Phillips 66: Quaker Wealth Management LLC, Jane Street Group LLC, Yaupon Capital Management LP, Parallax Volatility Advisers L.P., Millennium Management LLC, Cubist Systematic Strategies LLC, Nomura Holdings Inc., BNP Paribas Financial Markets, Eisler Capital Management Ltd., PEAK6 LLC, Westchester Capital Management LLC, Jane Street Group LLC, Walleye Trading LLC, Walleye Capital LLC, Capital Fund Management S.A., Garda Capital Partners LP, Maven Securities LTD, Simplex Trading LLC, Citigroup Inc., Allianz Asset Management GmbH, Portman Square Capital LLP, SteelPeak Wealth LLC, Caas Capital Management LP, and SG Americas Securities LLC. These positions are disclosed in Form 13F filings with the Securities and Exchange Commission. What is a good short interest percentage for Phillips 66? 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. 1.66% of Phillips 66's floating shares are currently sold short. Is Phillips 66's short interest increasing or decreasing? Phillips 66 saw a decline in short interest in the month of May. As of May 31st, there was short interest totaling 6,760,000 shares, a decline of 22.2% from the previous total of 8,690,000 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 Phillips 66's float size? Phillips 66 currently has issued a total of 407,437,000 shares. Some of Phillips 66'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. Phillips 66 currently has a public float of 406,900,000 shares. How does Phillips 66's short interest compare to its competitors? 1.66% of Phillips 66's shares are currently sold short. Here is how the short interest of companies compare to Phillips 66: Marathon Petroleum Co. (2.94%), Valero Energy Co. (4.20%), CVR Energy, Inc. (13.68%), PBF Energy Inc. (23.01%), Delek US Holdings, Inc. (14.49%), REX American Resources Co. (4.28%), Clean Energy Fuels Corp. (6.88%), Gevo, Inc. (13.20%), Green Plains Inc. (14.83%), ConocoPhillips (1.46%), 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 ($64.96 billion), Invesco QQQ ($27.88 billion), iShares Russell 2000 ETF ($19.94 billion), iShares 20+ Year Treasury Bond ETF ($9.69 billion), Strategy Incorporated ($8.58 billion), SPDR S&P Biotech ETF ($5.72 billion), Invesco S&P 500 Equal Weight ETF ($5.45 billion), iShares iBoxx $ Investment Grade Corporate Bond ETF ($4.70 billion), Charter Communications, Inc. ($4.54 billion), and Industrial Select Sector SPDR Fund ($4.49 billion). View all of the most shorted stocks. What does it mean to sell short Phillips 66 stock? Short selling PSX is an investing strategy that aims to generate trading profit from Phillips 66 as its price is falling. PSX shares are trading up $0.55 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 Phillips 66? A short squeeze for Phillips 66 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 PSX, which in turn drives the price of the stock up even further. How often is Phillips 66'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 PSX, twice per month. The most recent reporting period available is May, 31 2025. More Short Interest Resources from MarketBeat Related Companies MPC Short Interest Data VLO Short Interest Data CVI Short Interest Data PBF Short Interest Data DK Short Interest Data REX Short Interest Data CLNE Short Interest Data GEVO Short Interest Data GPRE Short Interest Data COP 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 (NYSE:PSX) was last updated on 6/13/2025 by MarketBeat.com Staff From Our PartnersYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? 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