market index
hypothetical portfolio of investment holdings that correspond to some segment of the financial market, whose value is determined by the prices of the underlying holdings
en-GB/ˈmɑːkɪt ˈɪndɛks/
en-US/ˈmɑɹkət ˈɪndɛks/
hypothetical portfolio of investment holdings that correspond to some segment of the financial market, whose value is determined by the prices of the underlying holdings