The potential future exposure (PFE) of a derivatives contract is indeed the credit exposure on a future date, modeled with a specified confidence interval. This definition accurately captures the essence of PFE. In the context of a derivatives contract, the PFE represents the worst-case scenario of exposure an entity could have at a certain date in the future. This exposure is modeled with a specified confidence interval, say, 95%. This means that there is a 95% confidence that the exposure will not exceed the PFE. The PFE is a measure of credit risk and is used to estimate the maximum potential loss that could occur if a counterparty defaults and the value of the derivative becomes negative. It is a forward-looking measure and takes into account the potential changes in the market value of the derivative contract.

Choice B is incorrect. The expected credit exposure on a future date, conditional on positive market values, does not accurately define the potential future exposure (PFE). PFE is not conditional on positive market values; it represents the maximum credit risk at any point in the future, given a certain confidence level.

Choice C is incorrect. The minimum potential loss if the counterparty defaults does not accurately define PFE. PFE refers to potential exposure in the future and it's about credit risk rather than loss given default.

Choice D is incorrect. The difference between the expected exposure and the credit exposure on a future date also does not accurately define PFE. This definition confuses two different concepts: expected exposure and actual or current credit exposure with PFE which represents maximum possible credit risk at any point in future given a certain confidence level.

Things to Remember

• PFE incorporates market volatility and potential changes in the value of the contract over time, reflecting the uncertainty in future market conditions.
• Unlike simple current exposure measures, PFE is not based on current or historical contract values but involves probabilistic modeling of future states.
• The choice of the confidence interval in PFE calculations directly affects the estimated risk level; a higher confidence level implies a more conservative risk estimate.
• In derivative contracts, factors such as the remaining maturity, underlying asset