This paper presents five key considerations for promoting market stability for the 2018 and 24319 benefit years under the assumption that they are transitional years where many current ACA rules remain in effect. For the purpose of this paper, market stability is defined as the creation of a marketplace that both insurers and insureds will find worth participating in. This involves striking a balance between protecting insurers from the risks inherent in a market that is in transition and ensuring that consumers have access to meaningful and affordable coverage. Our definition is similar to that used by the Congressional Budget Office (CBO) in its recent report' on the potential impact of the current draft legislation working its way through Congress. The CB0 defines stability as "having insurers participating in most areas of the country and on the likelihood of premiums' not Sing in an unsustainable spiraL"