Financial crises are generally preceded by credit booms and a build-up of external debts. Although it is unclear whether Turkey is experiencing a financial bubble, as of 2013, 58% of the corporate sector’s debt was denominated in foreign currencies. This column argues that this explains the Central Bank of Turkey’s interventions to prop up the value of the Turkish lira. Given the relatively low level of reserves and the unfolding corruption scandal, it is a critical question how long the Bank can continue to do so.