When people analyze prediction markets, they forget they are only SLIGHTLY less prone to manipulation than statistical models. I hope we will get liquid enough markets by the next election that this will be less of an issue, but as of today, it is not. For better data, look here:
In the last election, the same disparity existed in traditional prediction markets: significantly more people were betting that $TRUMP would win, even though there was significantly less money on $TRUMP.
People who had access to this data correctly predicted the outcome of the election better than the odds (which are determined solely by the total money on each candidate).
This is why I ask