Far more granular information is needed on the exposures of individual counterparties to transition risks, which may vary sharply across companies even within narrowly defined sectors. Mandatory and harmonised 1/4  BIS central bankers' speeches  firm-level reporting would enable better pricing and monitoring of financial firms’ exposures to climate-related risks. Private sector efforts have demonstrated the difficulties for investors in assessing exposure.
For example, market data providers have developed environmental scores for financial institutions according to the quality of their disclosure. But there is little correlation between the scores from different providers, signalling significant discretion in environmental scoring.