Updated Poll of Polls: Clinton’s Lead over Trump May Have Stabilized; One Poll Has Trump Ahead

Donald Trump had a good three week run where he cut into Hillary Clinton’s lead from by 3 points from 7 to 4.  The lead seems to have stabilized at around 4% the last few days.  The polls have become less consistent however with two polls showing Clinton +7 and another poll showing Trump +1.

Here is a trend of the polls:

poll of polls trend 9-2

Here are the last 10 polls:

poll of polls 9-2

Of course the election is not about national polls and popular votes.  It’s about the electoral college.  Please see previous posts or click below for updated  state by state forecast of the electoral outcome.

Click here for a state by state forecast of the elections

Click here for running list of forecast changes

Click here for results from last 5 elections

Follow me @2016ElectOdds for updates

Methodology:

  • Use national polls listed at Real Clear Politics
  • Weigh the outcomes by the sample size of each poll
  • Account for the different days spanned for the poll by allocating it out across the days.
  • Example a poll of 1000 voters taken across 7/2-7/5 would have a weighting of 250 voters for each of those days
  • For each day, take the previous weighted 7 days worth of poll data to compute a percentage for each candidate.  The rolling 7 days decreases the impact of large polls taken on a single day (large sample electronic polls)

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