Prior to the financial crisis, regulators only had limited data available to them about securities lending and repo markets. The crisis exposed a number of vulnerabilities previously not recognized as a result of this lack of data. Right away, regulators realized that the only way to understand and effectively address these weaknesses -- leverage and liquidity risks, weak market infrastructure, and fire sale risks — was to obtain more and better regulatory data about securities lending and repo volume, the types and quality of collateral being employed, and how securities lending and repo fit into firms’ risk management processes. But a recent release by the Office of Financial Research says these data collection efforts are not enough. According to the OFR, despite the efforts of regulators, significant gaps remain, and "the risk of set fire sales before or after a counterpart default remains largely unaddressed.”