What Is the Liquidity Tool?

The Liquidity Tool shows you where the smart money is going. On prediction exchanges like Kalshi and Polymarket, bets are real orders backed by real dollars — visible to anyone who knows how to read them. Sharp bettors put serious size on those exchanges, and that resting money (the liquidity) is the most honest signal in sports betting: it can't be faked, and it's there because someone with conviction wants that bet.

The tool reads that order flow in real time, flips each order to reveal the side sharp money actually wants — not the side it's offering — and then finds the sportsbooks where you can take the same side at the best available price.

How Does It Work?

1. Spot the sharp order — a large real-money order rests on a prediction exchange market.
2. Flip it — an order offering one side means the bettor behind it wants the other side. The tool does the flip for you and shows the side sharp money is on.
3. Beat the books to it — the tool compares that side against every major sportsbook and links you to the best price before the line moves.

Reading a play

Each play shows the liquidity (how many real dollars are behind the signal), the arb % (how much of an arbitrage the sharp's order creates against the best sportsbook price), and the best book to take the sharp side. More liquidity means more conviction. The arb % is deliberate: sharps price their orders to create an arb so that arbitrage and +EV bettors fill the other side quickly — the more margin they're giving up, the more they want the bet.

Why Use the OddsShopper Liquidity Tool?

• Real-money sharp signals — order flow, not opinions or tout picks.
• Every play priced against every major sportsbook, with one-tap links to the best odds.
• Lower-value plays are free to use; pre-game sharp action is included with Core, and live in-game signals with Pro.

Pair it with the arbitrage finder, our betting calculators, and the best odds across sportsbooks to get the most out of every wager.

Liquidity Tool FAQ

What is sharp action?

Sharp action is real money from professional or winning bettors. On prediction exchanges that money is visible: sharps post large orders backed by actual dollars, unlike a sportsbook line where you can’t see who bet what. The Liquidity Tool reads those orders and flips them to show you the side sharp money actually wants.

What does liquidity mean in betting?

Liquidity is the dollar amount of real orders resting on a market at a prediction exchange. A market with $15,000 of resting orders reflects far more conviction than one with $50. The tool ranks plays by that dollar figure so you can weigh how much money is behind each signal.

What does the arb % mean?

It measures how much of an arbitrage the sharp’s exchange order creates against the best sportsbook price. Sharps price their orders to create that arb on purpose: it attracts arbitrage and +EV bettors to take the other side, so their position gets filled faster. A higher arb % means the sharp is giving up more margin to get filled — a stronger signal of how badly they want that bet.

Do I need a prediction exchange account?

No. The exchanges are where the signal comes from — the bets themselves are placed at your regular sportsbooks. Each play links you straight to the best available price for the sharp side.

Which exchanges does the tool track?

The tool tracks real-money order flow on major prediction exchanges, including Kalshi and Polymarket, and compares it against odds at every major sportsbook in your state.

Is the Liquidity Tool free?

Every visitor can see and bet the lower-value sharp action plays for free. Plays above 1% arb — the strongest signals — along with in-game signals are part of OddsShopper’s paid plans: pre-game with Core, in-game with Pro.