Currency Momentum Strategies
90 Pages Posted: 20 Jan 2012
Date Written: January 2012
We provide a broad empirical investigation of momentum strategies in the foreign exchange market. We find a significant cross-sectional spread in excess returns of up to 10% p.a. between past winner and loser currencies. This spread in excess returns is not explained by traditional risk factors, it is partially explained by transaction costs and shows behavior consistent with investor under- and over-reaction. Moreover, cross-sectional currency momentum has very different properties from the widely studied carry trade and is not highly correlated with returns of benchmark technical trading rules. However, there seem to be very effective limits to arbitrage which prevent momentum returns from being easily exploitable in currency markets.
Keywords: Carry Trades, Idiosyncratic Volatility, Limits to Arbitrage, Momentum Returns
JEL Classification: F31, G12, G15
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