But Carl McDonald, an analyst at Oppenheimer Equity Research, said the insurers may be worried about the impact of reform on profit margins. Under the proposed system, customers would buy insurance on a regulated, transparent marketplace called an exchange.
"If all of the products are standardized, then when you actually get the price quotes, those price quotes are going to actually be comparable," he said. "In that kind of scenario, I don't see how premiums don't come down and put pressure on margins."