Picking the right driver doesn’t always mean a winning bet. If you back a +500...

https://alpha-wiki.win/index.php/What_Does_It_Mean_When_a_Driver_Is_%2B190_After_Qualifying_Front_Row%3F

Picking the right driver doesn’t always mean a winning bet. If you back a +500 chance early, but the odds drop to +190 by race day, your potential payout takes a hit