We identify a global risk factor in the cross-section of implied volatility returns in currency markets. A zero-cost strategy that buys forward volatility agreements with downward sloping implied volatility curves and sells those with upward slopes - volatility carry strategy - generates...

We study empirically the relation between currency excess returns and macro uncertainty, measured as forecast dispersion, on a wide set of economic indicators. We find that investment currencies deliver low returns whereas funding currencies offer a hedge when current account uncertainty is...