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Montana: Requested 2016 avg. rate hikes: 25.9%

Montana's Dept. of Insurance website doesn't really provide the actual rate filings (or if it does, I can't find them), but it does include this handy chart laying out every carrier offering individual policies in the state (there's only four of them, and one, Assurant, just went belly-up this past spring). That leaves just three companies to track: BCBS of Montana, Montana Health COOP and PacificSource.

Fortunately (well, unfortunately, actually), all 3 of these are listed on Healthcare.Gov's "Rate Review" website, making it fairly easy to generate the weighted average. Sadly, it's grim news in Big Sky country next year: