Currency Hedging Strategy for U.S. Investor

John is a U.S.-based investor who has recently invested in a European company. As a result, he is concerned about the potential negative impact of currency fluctuations between the U.S. dollar (USD) and the euro (EUR). To mitigate this risk, John considers using currency hedging strategies.

Which of the following strategies would best allow John to protect himself against unfavorable movements in the EUR/USD exchange rate?