I have suggested this one before. https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&ved=2ahUKEwjbnMP5hc_xAhWCtJ4KHSbcCj8QFjAAegQIChAD&url=https%3A%2F%2Fwww.predictit.org%2F&usg=AOvVaw36Wm3zLYpPB-hL8iJvMcE-

At the above link you can bet on virtually ALL political questions. You also don't have to spend a whole lot while you do you (10 cents can be the bet!) If you can't find what you want to bet on you can tell them and they will put it up. So, if anybody really thinks they have the answer they should go here and give it a try - you might even get rich! I did and spent a whole ten bucks and lost it all. It took me a couple of months but I managed it. It was also educational and taught me that I really have no clue. In my younger, and richer days, I used to really gamble and rarely won a dime but it took me years to figure out that one (slow learner).

Oh, the interesting thing is that this site still, I think, is owned by a university in New Zealand! (always thought that was kinda interesting as well)