Stock index prices
Find data and news on the world’s major stock indices, all the information you need to spot a stock index opportunity and open a position.
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View live prices on key indices. Select your market to view real-time prices, its chart and more.
- Popular indices
- Global indices
Latest indices news
Wall Street on a breather as Apple failed to commit to all-time high: Russell 2000, AUD/USD, Silver
Wall Street: US equity indices ignite following Fiscal Act and payroll report
US debt ceiling resolution brings focus back to Fed’s rate outlook: Oil, Hang Seng Index, Gold
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How are stock indices priced?
Stock indices are priced in a range of ways, based on the value of their constituents. A price-weighted index, for example, gives greater emphasis to the higher-priced stocks among its constituents. So the higher a constituent company’s share price, the more influence that company has on the index’s movement.
By contrast, a capitalisation-weighted index gives emphasis to the companies among its constituents with the highest market capitalisation – or rather, the market value of their outstanding shares.
At IG Bank, we base our index market prices on futures contracts in the underlying market.
What influences stock index movement?
The price of a stock index is influenced by a range of factors. As a collection of share prices, perhaps the most obvious factor that affects index movement is the price of its constituent stocks. However, indices are also affected by a range of economic and political events.
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