Origin of even money
Related formse·ven-mon·ey, adjective
Examples from the Web for even money
Geneticists believe there is an even-money chance that William and Kate's baby could be born with red hair.
In the third place, the even-money chance of a slab or two of gun-cotton on the line ahead was not a pleasing one to contemplate.The Second Battalion Royal Dublin Fusiliers in the South African War|Cecil Francis Romer and Arthur Edward Mainwaring
Idioms and Phrases with even money
Equal odds that something will occur, as in It's even money that he'll get the contract. The term comes from gambling, where it signifies equal odds in a bet. [Late 1800s]