First, while these increases are eye-catching, insurers generally underpriced their plans when the marketplaces opened in 2014, and the current increases simply bring the premiums up to the level predicted when Congress debated the Affordable Care Act in 2009.According to the report, Congressional Budget Office projections from 2009 suggested average 2017 premiums of $5,538; HHS is projecting average premiums of $5,586. Indeed, premiums in many states are still below the cost of employer coverage.

Source: Don’t panic about rising ACA insurance premiums (Opinion) – CNN.com