A professional or skilled bettor whose action moves lines. Sharps consistently beat closing lines.
A sharp bettor is someone who consistently identifies and exploits +EV opportunities. Sportsbooks respect sharp action — when a known sharp bets a side, the line moves.
Key characteristics of sharp bettors: they beat closing lines consistently, they bet early to get the best numbers, they use de-vigging and mathematical models, and they focus on expected value over win rate.
Recreational books limit or ban sharp bettors. Sharps gravitate to high-limit books like Circa and Pinnacle that welcome their action.
Getting better odds than the final line at market close — the strongest indicator of long-term betting skill.
Expected Value (EV)The average profit or loss per bet if you made the same wager thousands of times. Positive EV means long-term profit.
VigThe bookmaker's built-in commission. The difference between true odds and what you're offered.