Set protection from a plausible failure and a timely response

A reserve should answer a concrete exposure: uncertain collections, urgent repairs, margin calls or the time needed to obtain replacement funds. For each relevant adverse state, ask how far the balance can fall before a feasible response takes effect. The required initial protection is the largest shortfall relative to the chosen minimum over those dates, after allowing only responses available in that state. This is a scenario requirement, not a statistical confidence level unless the scenario model supports that interpretation.

Avoid treating all uncertainties as independent when they arise from the same cause. A customer’s failure can remove a receipt, reduce collateral eligibility and make a financier less willing to extend credit. Equally, adding every imaginable worst outcome can immobilize money without improving the present decision. Select material states from the operating and financing exposures, explain the protection sought, and show the remaining exposure when a full guarantee is unattainable. A sufficiently supported probability model can estimate shortfall likelihood and magnitude; an average balance still does not prove payment capacity.

Compare the cost of holding or arranging protection with the consequences it prevents. Cash holdings may earn a return but have opportunity cost; committed facilities can charge for unused capacity and still contain conditions. Selling assets quickly may realize less than their ordinary value. These costs belong to the choice of protection, while the dated account establishes whether it works. FIN.5–6 supplies the value comparison when material; no general rule makes maximum cash retention desirable.