A new report from the Urban Institute delineates factors that contributed to large 2018 marketplace health insurance premium increases, provides state-by-state estimates of average premium increases in silver (70 percent actuarial value) and gold (80 percent actuarial value) plans in the marketplaces, and provides more detailed analysis of changes in select markets within 20 states.
The report can be obtained at https://www.urban.org/sites/default/files/publication/97371/changes_in_marketplace_premiums_2017_to_2018_0.pdf