Fund Basics
What is an index fund?
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An index fund builds its portfolio to track the movement of a stock index and aims for the market's average return.
Compared with ordinary funds, it tends to have lower turnover and transaction costs, and return differences between index funds are small. It resembles an ETF in that it tracks an index, but differs in that index funds are usually not listed on an exchange.
This answer is general financial information as of 14.10.2026, not investment advice. Rules and tax rates change, so please also check the latest guidance from the source institution.
