Even though it’s only the beginning of 2015, insurers are already starting to think about 2016 rate filings. Using 2014-2015 Health Insurance Marketplace data, we looked for correlations between silver plan premiums and variables like the number of carriers and plans in a rating area, available industry metrics, and the structure of provider networks in each rating area. We focused our analysis on the second-lowest silver plan offered in each market and discovered some interesting findings.