巴菲特指數

巴菲特指數（Buffett indicator）是投資家沃伦·巴菲特在2001年提出的一個估值倍數，用來評估股票市場總體估值是否過高或過低。該指數的計算方法是用威爾希爾5000指數除以美國的GDP。
參考資料
外部連結
*[https://www.investopedia.com/terms/m/marketcapgdp.asp Stock Market Capitalization-to-GDP Ratio] (Investopedia, January 2021)
*[https://corporatefinanceinstitute.com/resources/knowledge/valuation/market-cap-to-gdp-buffett-indicator/ Market Cap to GDP Ratio (the Buffett Indicator)] (Corporate Finance Institute, 2021)
[https://www.gurufocus.com/stock-market-valuations.php Buffett Indicator: Where Are We with Market Valuations?] (GuruFocus*, 2021)
[https://www.longtermtrends.net/market-cap-to-gdp-the-buffett-indicator/ Market Cap to GDP: The Buffett Indicator] (LongTermTrends*, 2021)