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S&P 500 (GSPC) - analysis, score and valuation
S&P 500GSPCINDX
7,666.45USD+14.91 (+0.19%)
Close 1 October 2026- Prev close
- 7,651.54
- Open
- 7,666.47
- Volume
- 3.2B
- Session range
- 7,616.78 - 7,684.75
S&P 500
What it holds and how it did
S&P 500, snapshot of major U.S. listed companies
7,666.45 points +12.77% over 91 sessions Last updated: 2026-10-01
S&P 500, with the symbol GSPC, tracks the performance of hundreds of large companies listed on U.S. stock exchanges, across sectors such as technology, healthcare, consumer goods and energy. The index is calculated and published by S&P Dow Jones Indices, in its current form since 1957, and is widely used as a reference for the U.S. large cap equity market. You do not buy an index directly; investors follow it through funds and ETFs that copy its composition.
The index is weighted by free float adjusted market capitalization, meaning by company size while counting only the shares that actually trade in the market. This makes very large firms move the index level in points much more than smaller ones, so price changes in a few heavyweight names can dominate day to day moves. The level is expressed in points, not in money, and reflects the total value of a hypothetical portfolio compared with a historical base period.
The composition of S&P 500 is decided by a committee at S&P Dow Jones Indices, using written rules on company size, liquidity, ownership structure and sector representation. Companies are added or removed when mergers, delistings or other events mean they no longer meet the criteria, and the methodology is reviewed regularly. An important limitation is that the index only covers large U.S. companies and, by construction, becomes concentrated in a handful of very big names and does not capture the whole economy or dividends if it is the price return version.
Key data
Return and risk
- Return a year, past 2 yearsThe yearly average over the period, not the total. That is how spans of different lengths are compared. What it was does not say what it will be.
- How much it swings in a yearHow far the index rises and falls in an ordinary year. Higher means a bumpier ride, not necessarily a worse one.
- Largest fallHow much the index lost from its highest peak to the lowest point after it, over the measured period.
- Return per unit of riskHow much return the index produced for each unit of swing. Higher is better.
- 52-week highThe highest point reached in the past year.
- 52-week lowThe lowest point reached in the past year.
- Within the 52-week rangeWhere the index sits today between the low and the high of the past year. 0% is the low, 100% the high.
- Below the yearly highHow far the index is below the highest point of the past year. Zero means right at the top.
Some values update after the trading session opens, others are recalculated after it closes.
What the index covers
- Companies in the indexHow many companies go into the index.
- Top ten carryWhat the ten largest companies add up to. The more it is, the more the index hangs on a few names.
- Effective companiesHow many equally weighted companies would give the same spread. It is smaller than the real count, because some weigh far more than others.
- Heaviest sector: TechnologyThe sector with the most weight. The heavier it is, the more the index depends on it.
- Second sector: Financial servicesThe second heaviest sector in the index.
Some values update after the trading session opens, others are recalculated after it closes.
Country and rates
- CountryThe market whose companies make up the index.
- CurrencyThe currency the index companies are counted in. If you count in another currency, the exchange rate adds on top of the return.
- Yearly inflationHow much prices rose in a year in this country. The index return matters after inflation is taken out. It is published monthly, so it is older than the prices above.
- Central bank rateThe country's reference rate. When it rises, money moves from shares towards deposits and bonds.
- Country ratingThe grade rating agencies give the country's debt. The higher it is, the safer the state is considered. It changes very rarely, sometimes once in several years.
Some values update after the trading session opens, others are recalculated after it closes.
What companies S&P 500 holds
The ten heaviest and what each one weighs. The weight says how much of the index's movement comes from them.
The ten heaviest companies
The top 10 companies make up 37.0% of the index, below the 40% mark at which an index counts as narrow.
Covers503companies, but it behaves like 49 in equal parts
Top 1037.0%of the whole index
- NNVIDIA Corporation7.8%
Apple Inc6.7%- MMicrosoft Corporation4.6%
- AAmazon.com Inc3.7%
- AAlphabet Inc Class A3.3%
- BBroadcom Inc2.8%
- AAlphabet Inc Class C2.7%
- MMeta Platforms Inc.2.0%
- TTesla Inc1.8%
- MMicron Technology Inc1.7%
The remaining 63.0% is split among the other 493 companies, in ever smaller pieces.
What sectors S&P 500 is built from
What each sector weighs
What each sector weighs in the index. A heavy sector means the index largely rises and falls with it.
By sector
- Technology37.9%
- Financial services11.7%
- Communication services10.2%
- Consumer cyclicals9.5%
- Healthcare8.7%
- Industrials8.1%
- Consumer defensive4.7%
- Other8.9%
What you would have made
What has already happened, taken out of percentages and put into money.
What you would have made by investing in the S&P 500
$1,000 put in the S&P 500 10 years ago would have grown to $3,701, a return of 13.98% a year. Type your own amount and everything recalculates.
$
- a year ago$1,283of which $283 is gain, at 28.27% a year
- 3 years ago$1,732of which $732 is gain, at 20.10% a year
- 5 years ago$1,805of which $805 is gain, at 12.54% a year
- 10 years ago$3,701of which $2,701 is gain, at 13.98% a year
These figures have already happened and are not an estimate for what comes next. You cannot buy the index directly, only through a fund that tracks it, and the fund’s result differs slightly: its fee comes off and, depending on the index, dividends may or may not be added. The amounts are before tax.
S&P 500: all-time high and biggest drops
The highest point reached, and the falls along the way, with how long each took to recover.
All-time high
The highest point reached since 2000, compared with today.
7,666.45 points
- The high, reached on 2026-10-017,666.45 points
Biggest drops since 2000
From a peak to the lowest point after it, how long the fall lasted and how long the recovery took.
- Oct 2007 - Mar 2009-56.8%fell for 17 months, then took 4 years and 1 month to get back to the peak
- Mar 2000 - Oct 2002-49.2%fell for 2 years and 7 months, then took 4 years and 8 months to get back to the peak
- Feb 2020 - Mar 2020-33.9%fell for 33 days, then took 5 months to get back to the peak
Measured on each day’s closing price since 2000-01-03, as far back as our data goes. The key data above shows the biggest fall of the last 2 years; this is the whole history.
S&P 500 volatility now, compared with its history
How much it has moved over the last 30 days, set against every stretch of the same length so far.
How turbulent it is now
Volatility over the last 30 days, placed among every 30-day stretch since 2000.
16.1%
calmestusualmost turbulent
The S&P 500 is now more turbulent than usual: the last 30 days have been more turbulent than 63% of all 30-day stretches since 2000.
- Usually (median)13.6%
- In 8 stretches out of 10, between7.8% and 27.5%
- Most turbulent, in April 202096.7%
Annualised volatility is how far the price would swing over a year if it stayed as turbulent as in the last 30 days. It says how much it moves, not which way.
S&P 500 seasonality: how each month has gone
Which months of the year it has tended to rise in and which to fall in, across all the history we have.
Return month by month
How much it rose or fell on average in each month of the year, over the last 26 years.
- jan
- feb
- mar
- apr
- may
- jun
- jul
- aug
- sep
- oct
- nov
- dec
- rose on average
- fell on average
- Best monthNovember, +2.12%
- Weakest monthSeptember, -1.31%
- Rose most often inNovember, 20 years out of 26
An average over 26 years means just 26 observations for each month. It is a curiosity, not a signal: a good month in the past says nothing about what the price will do this year.
Which funds let you buy S&P 500
An index cannot be bought directly. You buy it through a fund that copies it, and the fund trades like a share.
Funds that track S&P 500
The funds that copy the index. None of them has a page here yet, but these are the tickers you would search at a broker.
IiShares Core S&P 500 UCITSCSPX.LSEIiShares Core S&P 500 UCITS (Xetra)SXR8.XETRAVVanguard S&P 500 ETFVOO.USSSPDR S&P 500 ETF TrustSPY.USVVanguard S&P 500 UCITSVUSA.LSE
The list covers only funds that have a page here, not every fund in the world tracking this index. Two funds on the same index can carry different fees and trade in different currencies, and over the long run that matters more than it looks.
