Rating agency Fitch Ratings could ask originators and sponsors of structured finance transactions to disclose whether they retain the “riskiest” equity piece in the complex securities they sell, in a move that would increase transparency in the market that has been at the core of the credit crisis.

In a draft proposal issued yesterday by the agency, it said it is seeking feedback from originators, sponsors and servicers of structured finance securities as to whether it should ask them to disclose whether they retain the economic risk of the equity piece, or, first loss piece in complex asset-backed securities.