Abstract: The provision of parametric D&O insurance and reinsurance policies is afforded by systems and methods for determining one or more parametric indices of the risk arising from aggregate litigation activity, which risk is correlated with the financial exposures (e.g., payment cash flows) of the insureds' exposed to such claims, and of the insurers who provide primary D&O insurance coverage. A parametric index is for a given policy is determined from a set of parameters that define the type, scope, timing of litigation activity for the index, as well as details how the index values are determined from the underlying litigation exposure. The system and method further determine whether payments are due under such a policy and their amounts.