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Factor Investing in Currency Markets: Does it Make Sense?


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The concept of factor investing emerged at the end of the 2000s and has completely changed the landscape of equity investing. Today, institutional investors structure their strategic asset allocation around five risk factors: size, value, low beta, momentum and quality. This approach has been extended to multi-asset portfolios and is known as the alternative risk premia model. This framework recognizes that the construction of diversified portfolios cannot only be reduced to the allocation policy between asset classes, such as stocks and bonds. Indeed, diversification is multifaceted and must also consider alternative risk factors. More recently, factor investing has gained popularity in the fixed income universe, even though the use of risk factors is an old topic for modeling the yield curve and pricing interest rate contingent claims. Factor investing is now implemented for managing portfolios of corporate bonds or emerging bonds.

In this paper, we focus on currency markets. The dynamics of foreign exchange rates are generally explained by several theoretical economic models that are commonly presented as competing approaches. In our opinion, they are more complementary and they can be the backbone of a Fama- French-Carhart risk factor model for currencies. In particular, we show that these risk factors may explain a significant part of time-series and cross-section returns in foreign exchange markets. Therefore, this result helps us to better understand the management of forex portfolios. To illustrate this point, we provide some applications concerning basket hedging, overlay management and the construction of alpha strategies.

BAKU Elisa , Quantitative Research
FORTES Roberta , University of Paris 1 Panthéon Sorbonne
HERVE Karine , Emerging Markets Senior Economist
LEZMI Edmond , Quantitative research at Amundi
MALONGO ELOUAÏ Hassan , Quantitative Research
RONCALLI Thierry , Quantitative Research
XU Jiali , Quantitative Research - Amundi

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Factor Investing in Currency Markets: Does it Make Sense?
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