The extremely valuable data from the research that Fama and French have done is freely available online. I have borrowed the data and the below figure shows the difference in annual returns between the various markets’ value and growth portfolios since 1927 where the portfolios are held for 10 years. The value portfolio is created by putting into it all the traded stocks with the lowest 30% of price to book ratios while the growth portfolio is created with the stocks that have a price-to-book ratio in the highest 30% range of the market as usually high price-to-book values describe growth
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