You can use our MLB odds calculator to help you figure out potential baseball odds profit before you get in the swing of things. On the +170 underdog, you would bet $100 for the chance to turn a $170 profit if the underdog wins. If you want to bet on that -190 favorite, you would risk $190 to win $100.
If you envision the number 100 sitting between these two values, it is easier to understand how it works. Positive values such as +170 reflect MLB underdogs, while the negatives indicated favorite. When looking at MLB odds if you see negative values such as -110 in MLB betting lines, you’re looking at the favorite in a contest. and the one we use here are American odds, which have lines that look like +200, -110, etc.
There are decimal and fractional odds, but the most common MLB odds format.