Washington (CNN) The first $5 billion election is almost in the books.

Democrats, including House Minority Leader Nancy Pelosi, are voicing confidence the party "will" take back control of the chamber.

My colleague Harry Enten said it best : The fundamentals of the midterm elections haven't changed.

The generic ballot advantage, enthusiasm edge and President Trump's underwater approval rating are facts that all work in the Democrats' favor. Mix in the staggering fundraising numbers seen this cycle and it adds up to an environment ripe for strong Democratic gains.

In the final update to CNN's Key Race ratings, we are moving six contests -- all in favor of the Democrats.

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