smart-money

/S M AA1 R T M AH0 N IY0/
noun
  1. 1

    Experienced, well-informed investors, gamblers etc considered as a group.

  2. 2

    The money invested or bet by such people; by extension, the opinions of such people.

    โ€œThe smart money is on a half percent cut in the basic bank lending rates before the end of the week.โ€

  3. 3

    Money paid by a person to buy himself off from some unpleasant engagement or some painful situation.

  4. 4

    Money allowed to soldiers or sailors, in the English service, for wounds and injuries received; also, a sum paid by a recruit, previous to being sworn in, to procure his release from service.

  5. 5

    Vindictive or exemplary damages; damages beyond a full compensation for the actual injury done.

Source: https://en.wiktionary.org/wiki/smart%20money, https://en.wiktionary.org/wiki/smart-money