S&P 500

Extracted Attributes

• Type

  Stock market index

• Tracks

  Performance of 500 large companies listed on U.S. stock exchanges

• Country

  United States

• Operator

  S&P Dow Jones Indices

• Exchanges

  NYSE, Nasdaq, Cboe BZX Exchange

• Constituents

  500 companies

• Ticker Symbols

  ^GSPC, .INX, $SPX, SPX

• Market Coverage

  Approximately 80% of total market capitalization of U.S. public companies

• Sectors Covered

  All 11 sectors of the economy as defined by GICS classification system

• Weighting Method

  Free-float weighted/capitalization-weighted

• Components Selection

  By a committee

• Assets Linked (as of 2020-12-31)

  Over $5.4 trillion

• Market Capitalization (as of 2025-03-31)

  More than $49.8 trillion

• Average Annualized Return (1928-2021-12-31)

  11.82%

• Average Annualized Return (1957-2021-12-31)

  11.88%

Timeline

• Inception of the S&P 500 index. (Source: Summary)

  1928

• The S&P 500 index adopted 500 stocks, establishing its modern form. (Source: Web Search Results)

  1957-03-04

• Over $5.4 trillion was invested in assets linked to the S&P 500's performance. (Source: Summary)

  2020-12-31

• The S&P 500 recorded an average annualized return of 11.82% since its inception in 1928. (Source: Summary)

  2021-12-31

• The S&P 500 recorded an average annualized return of 11.88% since adopting 500 stocks in 1957. (Source: Summary)

  2021-12-31

• The aggregate market capitalization of the S&P 500 companies was more than $49.8 trillion. (Source: Web Search Results)

  2025-03-31

• A proposal was made by David Friedberg to invest the U.S. Social Security trust fund in the S&P 500 to generate wealth and provide citizens with a stake in the economy. (Source: Related Documents)

  Undated

S

S, or s, is the nineteenth letter of the Latin alphabet, used in the English alphabet, the alphabets of other western European languages and other latin alphabets worldwide. Its name in English is ess (pronounced ), plural esses.

Web Search Results

• S&P 500 - Wikipedia

  The Standard and Poor's 500, or simply the S&P 500,( is a stock market index tracking the stock performance of 500 leading companies listed on stock exchanges in the United States. It is one of the most commonly followed equity indices and includes approximately 80% of the total market capitalization of U.S. public companies, with an aggregate market cap of more than $49.8 trillion as of March 31, 2025.( [...] The S&P 500 index is a public float weighted/capitalization-weighted index. The ten largest companies on the list of S&P 500 companies account for approximately 38% of the market capitalization of the index and the 50 largest components account for 60% of the index. The 10 largest components are, in order of highest to lowest weighting: Microsoft (7.0%), Nvidia (7.0%), Apple (5.8%), Amazon.com "Amazon (company)") (3.9%), Alphabet (3.6%, including both class A & C shares), Meta Platforms (3.0%), [...] From Wikipedia, the free encyclopedia American stock market index For a list of S&P 500 companies, see List of S&P 500 companies. S&P 500Image 4 S&P 500 Index from 1970 to 2023 Foundation March 4, 1957; 68 years ago(1957-03-04)( OperatorS&P Dow Jones Indices( Exchanges NYSE Nasdaq Cboe BZX Exchange Trading symbol ^GSPC $SPX SPX .SPX .INX Constituents503( TypeLarge-cap( Market capUS$52.831 trillion

• What Is The S&P 500? | Bankrate

  The Standard & Poor’s 500 index, or S&P 500, is perhaps the world’s most well-known stock index. The index contains about 500 of the largest publicly traded companies in the U.S., making it a bellwether for stocks. It includes stocks across all 11 sectors of the economy, as defined by the GICS classification system. Here are the details on the S&P 500, including its top holdings and long-term performance. Image 49 [...] The S&P 500 is an index that’s weighted according to the size of the companies in the index. The larger the company, the more heft it carries. The weightings rely on each firm’s market capitalization — the total value of its outstanding shares. A larger firm carries a larger weighting in the index, though Standard & Poor’s makes some adjustments based on how much of the stock is actually traded (“floated”) in the market (versus how much is held off the market.) [...] The S&P 500 index tracks hundreds of the largest and most successful American companies, giving investors a way to measure the performance of American business. It’s also a solid basis for funds, allowing investors to capture the index’s attractive returns in a low-cost vehicle. _— Bankrate’s Dayana Yochim contributed to an update._

• S&P 500 Index: What It's for and Why It's Important in Investing

  The S&P 500 Index is one of the most widely used indexes for the U.S. stock market. These 500 companies represent the largest and most liquid companies in the U.S. from technology and software companies to banks and manufacturers. The index has historically been used to provide insight into the direction of the stock market. It was created by a private company but the S&P 500 is a popular yardstick for the performance of the market economy at large. Sponsored Trade around the clock [...] The S&P 500 is a part of the S&P Global 1200 family of indices. Other indices include the S&P MidCap 400 which represents the mid-cap range of companies and the S&P SmallCap 600 which represents small-cap companies. The S&P 500, S&P MidCap 400, and S&P SmallCap 600 combine to cover 90% of all U.S. capitalization in an index known as the S&P Composite 1500.4 5 S&P 500 Index Construction -------------------------- [...] The S&P 500 is one of the most widely quoted American indexes because it represents the largest publicly traded corporations in the U.S. It focuses on the U.S. market's large-cap sector and it's also a float-weighted index which is a type of capitalization weighting. Company market caps are adjusted by the number of shares available for public trading.2 ### Fast Fact

• S&P 500 (^GSPC) Historical Data - Yahoo Finance

  | Feb 3, 2025 | 5,969.65 | 6,022.13 | 5,923.93 | 5,994.57 | 5,994.57 | 4,797,210,000 | | Jan 31, 2025 | 6,096.79 | 6,120.91 | 6,030.93 | 6,040.53 | 6,040.53 | 4,843,770,000 | | Jan 30, 2025 | 6,050.75 | 6,086.64 | 6,027.46 | 6,071.17 | 6,071.17 | 4,634,620,000 | | Jan 29, 2025 | 6,057.70 | 6,062.83 | 6,012.96 | 6,039.31 | 6,039.31 | 4,115,310,000 | | Jan 28, 2025 | 6,026.97 | 6,074.54 | 5,994.63 | 6,067.70 | 6,067.70 | 4,473,640,000 | [...] | Apr 1, 2025 | 5,597.53 | 5,650.57 | 5,558.52 | 5,633.07 | 5,633.07 | 4,434,500,000 | | Mar 31, 2025 | 5,527.91 | 5,627.56 | 5,488.73 | 5,611.85 | 5,611.85 | 5,257,250,000 | | Mar 28, 2025 | 5,679.20 | 5,685.89 | 5,572.42 | 5,580.94 | 5,580.94 | 4,513,330,000 | | Mar 27, 2025 | 5,695.64 | 5,732.28 | 5,670.94 | 5,693.31 | 5,693.31 | 4,403,460,000 | | Mar 26, 2025 | 5,771.66 | 5,783.62 | 5,694.41 | 5,712.20 | 5,712.20 | 4,183,140,000 | [...] | Jan 27, 2025 | 5,969.04 | 6,017.17 | 5,962.92 | 6,012.28 | 6,012.28 | 5,198,750,000 | | Jan 24, 2025 | 6,121.43 | 6,128.18 | 6,088.74 | 6,101.24 | 6,101.24 | 4,214,250,000 | | Jan 23, 2025 | 6,076.32 | 6,118.73 | 6,074.67 | 6,118.71 | 6,118.71 | 4,432,250,000 | | Jan 22, 2025 | 6,081.39 | 6,100.81 | 6,076.13 | 6,086.37 | 6,086.37 | 4,323,040,000 | | Jan 21, 2025 | 6,014.12 | 6,051.51 | 6,006.88 | 6,049.24 | 6,049.24 | 4,702,920,000 |

• S&P 500 Historical Data (SPX) - Investing.com

  | Jun 30, 2025 | 6,204.95 | 6,193.36 | 6,215.08 | 6,174.97 | | +0.52% | | Jun 27, 2025 | 6,173.07 | 6,150.70 | 6,187.68 | 6,132.35 | | +0.52% | | Jun 26, 2025 | 6,141.02 | 6,112.09 | 6,146.52 | 6,107.27 | | +0.80% | | Jun 25, 2025 | 6,092.16 | 6,104.23 | 6,108.51 | 6,080.09 | | 0.00% | | Jun 24, 2025 | 6,092.18 | 6,061.21 | 6,101.76 | 6,059.25 | | +1.11% | | Jun 23, 2025 | 6,025.17 | 5,969.67 | 6,028.77 | 5,943.23 | | +0.96% | [...] | Date | Price | Open | High | Low | Vol. | Change % | | --- | --- | --- | --- | --- | --- | --- | | Jul 08, 2025 | 6,228.53 | 6,236.13 | 6,242.94 | 6,217.06 | | -0.02% | | Jul 07, 2025 | 6,229.98 | 6,259.04 | 6,262.07 | 6,201.00 | | -0.79% | | Jul 03, 2025 | 6,279.35 | 6,246.46 | 6,284.65 | 6,246.46 | | +0.83% | | Jul 02, 2025 | 6,227.42 | 6,193.88 | 6,227.60 | 6,188.29 | | +0.47% | | Jul 01, 2025 | 6,198.01 | 6,187.25 | 6,210.78 | 6,177.97 | | -0.11% | [...] | Jun 20, 2025 | 5,967.84 | 5,999.67 | 6,018.20 | 5,952.56 | | -0.22% | | Jun 18, 2025 | 5,980.87 | 5,987.93 | 6,018.25 | 5,971.89 | | -0.03% | | Jun 17, 2025 | 5,982.72 | 6,012.15 | 6,023.25 | 5,974.80 | | -0.84% | | Jun 16, 2025 | 6,033.11 | 6,004.00 | 6,050.83 | 6,004.00 | | +0.94% | | Jun 13, 2025 | 5,976.97 | 6,000.56 | 6,026.16 | 5,963.21 | | -1.13% | | Jun 12, 2025 | 6,045.26 | 6,009.90 | 6,045.43 | 6,003.88 | | +0.38% |

• Image

  

• Country

  United States

• Instance Of

  Q223371

The Standard and Poor's 500, or simply the S&P 500, is a stock market index tracking the stock performance of 500 large companies listed on stock exchanges in the United States. It is one of the most commonly followed equity indices. As of December 31, 2020, more than $5.4 trillion was invested in assets tied to the performance of the index. The S&P 500 index is a free-float weighted/capitalization-weighted index. As of August 31, 2022, the nine largest companies on the list of S&P 500 companies accounted for 27.8% of the market capitalization of the index and were, in order of highest to lowest weighting: Apple, Microsoft, Alphabet (including both class A & C shares), Amazon.com, Tesla, Berkshire Hathaway, UnitedHealth Group, Johnson & Johnson and ExxonMobil. The components that have increased their dividends in 25 consecutive years are known as the S&P 500 Dividend Aristocrats. The index is one of the factors in computation of the Conference Board Leading Economic Index, used to forecast the direction of the economy. The index is associated with many ticker symbols, including ^GSPC, .INX, and $SPX, depending on market or website. The S&P 500 is maintained by S&P Dow Jones Indices, a joint venture majority-owned by S&P Global, and its components are selected by a committee. The average annualized return since its inception in 1928 through Dec. 31, 2021, is 11.82%. The average annualized return since adopting 500 stocks into the index in 1957 through Dec. 31, 2021, is 11.88%.