PokerTracker's servers constantly monitor which players are playing and what tables they are playing at on various major poker sites, which allows TableTracker to find the weakest players across multiple online poker websites.

Lower odds with a high return suggest a higher probability of winning, but potentially larger losses. It's important to consider both the potential return and the likelihood of winning when making gambling decisions.

If you want to make a big risk in anticipation of a big payout, high odds are the best for you. If you want to make a safe bet with little risk and don't mind a relatively low payout, you're looking for low odds.