We don't have synonyms for smart money yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are short money and smart moneys.
(n) :
people who are highly experienced or who have inside information; money bet or invested by experienced gamblers or investors (especially if they have inside information)
"the smart money said Truman would lose the election"
(n) :
people who are highly experienced or who have inside information; money bet or invested by experienced gamblers or investors (especially if they have inside information)
"the smart money said Truman would lose the election"