He was down by about three. 538 even did an article like a week or two before the election saying he was only down a normal polling error and said Clinton probably was ahead but it was by about a coin flip. After the coney letter it tightened pretty dramatically, and that was the real deal breaker that tilted it in the last week. It was complete bullshit too, because he came out with a letter saying they found new clinton emails (which still ended up being a nothing burger) but failed to.mentikn they already were doing a COUNTERESPIONAGE investigation on trumps campaign (which led to the mueller investigation).
Completely changed the dynamic