index fund

noun
UK /ˈɪn.deks fʌnd/
US /ˈɪn.deks fʌnd/

A basket of many stocks that you can buy all at once.

She put her savings into an index fund that follows the whole market.


OTHER MEANINGS

2. A mutual fund or ETF designed to copy the performance of a specific market index.

The S&P 500 index fund returned about 10% last year.

3. An investment vehicle with low fees because it does not use active managers.

Index funds usually charge much lower fees than actively managed funds.

4. A fund whose holdings are weighted to match an index like the FTSE 100.

He bought a FTSE 100 index fund to gain broad UK exposure.