The Issue-index model is part of the index models component of the combined PollyVote. It currently forecasts a major vote share of 56.6% for Clinton, and 43.4% for Trump. In comparison, on August 31 Trump was still predicted to win 43.8% of the vote.
Putting the results in context
Individual index models can incorporate substantial errors, and should be treated with caution. At the very least, one should check how a index model's results compare to benchmark forecasts.
Results in comparison to other index models
Looking at an average of index models, Clinton's current two-party vote share is at 54.2%. This value is 2.4 percentage points lower than respective numbers in the Issue-index index model.
Comparison to the combined PollyVote
The current PollyVote expects Clinton to gain 53.6% of the two-party vote. The results of the Issue-index model for Clinton are thus 3.0 percentage points above the combined PollyVote.