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CIO Academy - Foreign exchange as an “asset class”: how to treat FX in your investment process
Jul 2, 2026
Highlights: Currency exposure is unavoidable for any investor holding assets outside their home country. Yet FX is also more than a by-product of global investing: if managed deliberately, it can be thought of as a distinct “asset class” with its own return drivers, diversification properties, and risk management tools. This paper draws a central distinction between embedded FX exposure, the currency risk carried implicitly within overseas equities, bonds, and real assets, and intentional FX management via hedging or active overlay strategies. It equips investors with a practical framework for thinking about both, covering return drivers, its portfolio role, hedging design, and implementation choices.
- From embedded risk to managed “asset class”: FX is not an asset class in the traditional sense. But every overseas asset carries an implicit currency position, with its contribution to risk and return. This paper explains what FX exposure actually means a practical world, how it can be measured and managed, and why treating it as a deliberate portfolio variable, rather than an incidental outcome, typically produces better risk-adjusted results
- Three systematic return drivers: Carry, value, and momentum are the well-documented sources of FX risk premia. We set out how each works, why each can fail, and how they combine in systematic and discretionary strategies. We also address how macroeconomic fundamentals, central bank policy, growth differentials, and external balances, shape exchange rates over longer horizons
- Practical design and governance: From hedging frameworks to overlay design choices and implementation instruments, this paper provides a structured foundation for conversations about why and how to manage FX as a portfolio tool