Insurers will be closely watching the rolling implementation of federal and state insurance exchanges through the coming year, after the initial rocky launch caused mass confusion and hindered enrollment.
In particular, they'll be scrutinizing the demographics and health risk composition of the emerging marketplace. While the Congressional Budget Office projected 7 million would have signed up by the end of open enrollment on March 31, most experts say the key will be whether the risk pool is balanced in terms of younger and healthier people and older and sicker people.