The head of the CVA desk at an investment bank asks an analyst to report on the factors that have the potential to impact the estimation of counterparty exposure metrics. The analyst focuses on the expected future value (EFV) metric which the CVA desk typically uses for estimating the unilateral CVA (UCVA) for cross-currency counterparty positions. The analyst finds several factors that cause the EFV to vary significantly from its current value. Which of the following correctly explains EFV variations?