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The S&P 500 Index

The Standard & Poor’s 500 index, also known as the S&P 500, is one of the most popular indexes used for trading or benchmarking the US equities market.

Traders and fund managers tend to prefer the S&P 500 Index to the Dow Jones because it represents more US shares, particularly the more liquid issues with a market capitalization of above $3 billion.


The index is driven by the prices of the 500 shares that comprise it. To be included, a company must have at least half of its value in shares listed on a US exchange. Because of the way the index is calculated, larger companies will have more influence over its behaviour than smaller ones. Companies that feature on the S&P 500 Index include Apple NASDAQ:AAPL, Microsoft NASDAQ:MSFT, Exxon NYSE:XOM and Johnson & Johnson NYSE:JNJ.

Because the index is spread across 500 companies, the S&P 500 will tend to be less volatile than narrower indexes that are composed of fewer shares. However, a large percentage of it’s weighting is taken up by a small number of large tech stocks, such as Apple, Microsoft, Google, Amazon and Nvidia that dominate performance. This has generally led in recent times to stellar performance of the Index, but investors should be aware that any news or government policy that affects sentiment of these tech stocks may have a significant bearing on its performance.

We have seen in the past that during times of particular crisis, the S&P 500 can exhibit high volatility levels, such as in 2002, when the index lost 23% as a consequence of the dot com crash. Similarly, in 2008, during the financial crisis, it lost over 38% of its value, then bounced back with a 23% gain in 2009.

Still, as a stock market index, the S&P 500 is a lot less volatile than many other markets, including individual shares, currencies and commodities.

The S&P 500 Index features many of the world’s largest and best known brands. For investors that prefer the relative security of owning an index of US shares, rather than individual stocks, the S&P 500 Index is a great way to get exposure to the US equity market.

Investors should be aware that many of the largest tech stocks feature prominently in a range of funds and investment trusts and should be mindful not to over-expose their portfolio to these tech stocks in order to hold an appropriately diversified range of stocks.

The S&P 500 Index has seen significant growth in recent years on the back of the stellar performance of some it’s large tech stocks. However, historically, the Index has provided excellent returns since its inception in 1957, delivering an annualized average return of approximately 10.26%, including reinvested dividends.

Its performance reflects the overall economic growth and corporate profitability in the U.S but investors should be mindful that the index can be subject to significant variability through to economic cycles, inflation, and market timing. But, despite these fluctuations, long-term investments in the S&P 500 have generally yielded positive returns.

The S&P 500 Index is widely available in a range of wrappers, the most popular of which are a future or options contract, an Exchange Traded Fund, or as a Contract for Difference.

You can also explore any number of index-linked investment products that will track the S&P 500. If you’re a UK resident, you’re able to trade the index through a tax-free spread betting broker.

Investors can use Exchange Traded Funds or ETFs to track the performance of the S&P 500 index at a relatively low cost to other types of funds such as managed funds and investment trusts. These ETFs provide cost effective exposure in a portfolio to the performance of the index, with the added benefit of dividends which can either provide an income for investors, or be re-invested into more shares through an accumulation ETF. This means that investors will enjoy the effects of compounding over the longer term.

Invest in the S&P 500 Index with these ETF platforms

ProviderDepositFeesISAsInvestment Options
Interactive Brokers
Interactive Brokers
£1 initial depositno platform fee
£3 per trade
Stocks & Shares ISAs
Junior ISAs
UK Shares
Non-UK Shares
Funds
ETFs
£3 / €3 per trade for Western European stocks, with no added spreads, account minimums or platform fees. Pricing on US stocks starts at just USD 0.005 per share. There is a minimum monthly activity fee of £3
 
Charles Stanley Direct
Charles Stanley Direct
£500 initial deposit
£50 monthly minimum
0.30% platform fee
£10 per trade
Stocks & Shares ISAs
Junior ISAs
UK Shares
Funds
ETFs
Bonds
Minimum charge of £5, maximum of £50 per month for all individual accounts held with Charles Stanley Direct. £10 transaction fee on shares, £4 for funds. £50 of trading credits available every six months from October 2024.
 
IG
IG
£500 initial deposit
£50 monthly minimum
£96 platform fee
£8.00* per trade
Stocks & Shares ISAsUK Shares
Non-UK Shares
Funds
ETFs
Robo Advisor
Trade 3+ stocks per month for active trader cost of £3.00 on UK stocks. Clients holding investments will be charged a platform fee of £8 per month which can be offset against a trade over the period. IG's Smart Portfolio's are a low cost option for those who are unsure where to invest their money.
 
Hargreaves Lansdown
Hargreaves Lansdown
£100 initial deposit
£25 monthly minimum
0.45% platform fee
£11.95* per trade
Stocks & Shares ISAs
Junior ISAs
Lifetime ISAs
UK Shares
Non-UK Shares
Funds
ETFs
Bonds
Robo Advisor
Trade 10+ stocks per month for active trader cost of £8.95 or 20+ at £5.95. Additional charge of up to £45 per annum on stocks and shares. There's no dealing charge for buying or selling funds but you'll pay a holding fee of up to 0.45% per annum. Ready-made portfolios are available for investors that are unsure where to invest their money for an additional fee.

To trade the S&P 500 Index using futures, CME Group has an extensive list of products based on the price of the Index. Traders can open a futures enabled trading account with an approved broker (see below) to trade CME Group futures. You can learn how to trade futures on equity Index’s like the S&P 500 by taking this short course which is completely free and takes less than 40 minutes to complete, and there’s loads more free educational courses for futures here too. Once you are ready to trade futures, take a look at the brokers listed below or find a full list of futures brokers here to get you started.

Trade the FTSE 250 with these Futures Brokers

BrokerMinimum DepositMarketsProducts
Interactive Brokers
Interactive Brokers
$0Bonds
Commodities
Currencies
Indices
Stocks & Shares
CFDs
ETFs
FX
Futures & Options
ISA
Stocks & Shares

Interactive Brokers is one of the world’s leading futures brokers with the ability to offer direct market access to a range of securities. With previous personal experience of trading with this broker, The Armchair Trader knows that they offer excellent platform stability, an excellent range of markets, and solid customer support

 
IG
IG
£0Bonds
Commodities
Currencies
Indices
Stocks & Shares
CFDs
ETFs
FX
Futures & Options
ISA
Spread Betting
Stocks & Shares

Widely recognised as the largest broker of its kind for CFDs and Spreadbetting, IG has now expanded its services to include Equities and ETF trading. Their range of markets is wide reaching while both trading and share dealing costs are low. We really like their Smart Portfolio's which are ideal for inexperienced investors to gain exposure to the markets.

With deeper pockets to invest in their services than most brokers, IG's platform suite and trading support tend to lead the way. IG is a good all-rounder for novice through to experienced traders and investors.

Risk Warning: Spread bets and CFDs are complex instruments and come with a high risk of losing money rapidly due to leverage. 69% of retail investor accounts lose money when trading spread bets and CFDs with this provider. You should consider whether you understand how spread bets and CFDs work, and whether you can afford to take the high risk of losing your money.

 
Tickmill
Tickmill
£100Bonds
Commodities
Currencies
Indices
Stocks & Shares
CFDs
Futures & Options

Tickmill is an established, regulated broker. With a focus on platform technology, fast reliable trading and low costs, it is a good choice for the experienced high volume trader.

For traders looking for short term exposure to the S&P 500 Index, Contracts for Difference or CFDs can be a useful option to track the index. CFDs provide an opportunity for traders to make trades on a rising or falling index offering flexibility based on the sentiment withn US markets. Traders should be aware that CFDs are leveraged trades which eans that successful trading profits can be magnified, but conversely, so will losses. It is important to get to grips with CFD trading before you commit real money. UK investors may prefer to trade with a spread betting provider where any gains are tax free.

Trade the S&P 500 with these CFD brokers

BrokerMinimum DepositMarketsProducts
Pepperstone
Pepperstone
£0Bonds
Commodities
Currencies
Indices
Stocks & Shares
CFDs
FX
Spread Betting

With a strong focus on the trading experience, industry leading technology, low costs and award-winning client support, we feel that Pepperstone is a good option for the more established high volume day trader.

 
FP Markets
FP Markets
$100Bonds
Commodities
Currencies
Indices
Stocks & Shares
CFDs
FX

FP Markets is an established ASIC, CySEC FSP and CMA regulated broker. They offer access to the industry leading MetaTrader platforms and provide pricing directly from the market meaning fast execution and transparent pricing. A 24/7 multilingual client support service has won recognition through the highly respected Investment Trends awards.

 
FxPro
FxPro
$100Bonds
Commodities
Currencies
Indices
Stocks & Shares
CFDs
FX

FxPro is a fully regulated CFD provider offering Forex, Metals, Indices, Futures, Cryptos and Stocks. Clients have access to over 2000+ financial instruments and the company serves clients in 173 countries worldwide. FxPro was voted ‘Best Forex Provider’ by The Armchair Trader readers for 2024.

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