Shareholder’s equity (for publicly-traded insurance companies) and retained earnings (for mutual insurance companies).

There is no general measure of capital adequacy for property/casualty insurers. Capital adequacy is linked to the riskiness of an insurer’s business. A company underwriting medical device manufacturers needs a larger cushion of capital than a company writing Main Street business, for example.

Amount of invested Capital on a company’s regulatory balance sheet.  May use estimated amounts for composite companies.

See Risk-based capitalSurplusSolvency