the smart money is on somebody/something
(the) smart money is on (someone or something)
Something is likely to happen or someone is likely to succeed; it would be a wise to bet on or invest money in someone or something. Smart money is on a win by the home team in this game. Trust me, the smart money is on Jill. She always finds a way to come out on top.
the smart money is on something
If you say that the smart money is on a particular event happening, you mean that thing is likely to happen. The smart money is on Labour winning at the next election. Note: You can also say the smart money says something, with the same meaning. The smart money says that Jarvis is likely to succeed him as manager.