Meaning
Financial exposure arising when a single customer holds several distinct lines of credit across various departments or subsidiaries increases the potential loss for a lender. Multi account debtor risk masks the true scale of a relationship by scattering the debt across different ledgers. A bank might not realize it has exceeded its internal limit for one person until all accounts are aggregated.
Aggregate Exposure
Summing the balances of every loan and credit card held by one entity reveals the total amount at stake. The multi account debtor risk calculation includes unused credit lines that the customer could draw down at any time. This total figure is the only way to measure the impact of a potential bankruptcy.
Correlation Coefficient
Defaults on one account frequently signal an imminent failure on all other obligations held by the same borrower. Dealing with multi account debtor risk requires understanding that these debts are not independent of each other. When a business loses its primary income source, every one of its credit facilities becomes vulnerable simultaneously.
Failure in one area triggers a review of the whole.
Credit Mitigation
Setting a global limit for each customer prevents the accumulation of dangerous levels of debt in separate silos. Monitoring multi account debtor risk involves linking every account to a unique tax identifier or a central client profile.
