Answer: The operational risk loss distribution is symmetric and fat-tailed.

## Explanation Among the given options, **Option B** should be considered unexpected when compared to similar industry data. ### Analysis of Each Option: **Option A**: This is actually expected for operational risk loss distributions. Operational risk typically exhibits a high frequency of small losses (due to routine operational failures) and a low frequency of extreme losses. This creates a distribution with many small losses and a relatively low mode, which is characteristic of operational risk. **Option B**: This is UNEXPECTED because operational risk loss distributions are typically **asymmetric and fat-tailed**, not symmetric. Operational risk distributions are characterized by: - High frequency of small losses - Low frequency of very large losses - Positive skewness (right-skewed) - Heavy tails (leptokurtic) A symmetric distribution would suggest equal probability of gains and losses, which doesn't align with the nature of operational risk where losses dominate. **Option C**: This is expected for credit risk distributions. Credit risk distributions are typically: - Asymmetric (positively skewed) - Fat-tailed - Characterized by low default probabilities but high loss given default **Option D**: This is expected for market risk distributions. Market risk distributions often resemble the return distributions of the underlying portfolios, as market risk is directly related to price movements in financial markets. ### Key Takeaway: The unexpected observation is that operational risk loss distribution is symmetric, when in reality it should be asymmetric with fat tails due to the nature of operational risk events.

Author: LeetQuiz .