Understanding the Complex Arbitrage Betting Strategy

Gambling.com Editor

March 5th, 2019

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Arbitrage is simultaneously depicted as the holy grail of sports betting and a demanding, rigid financial tool. The truth, however, is much more interesting.

The Art of Arbitrage

Arbitrage betting is the practice of exploiting price differences between opposing outcomes on the same event, in order to land a guaranteed profit. Usually the target profit margin when placing these bets is around 2-3%, so players will need large pots in order to land big wins.

Arbitrage differs from hedging in that bets are only placed when you will earn money no matter what the outcome is, whereas hedging is more commonly used to minimize or protect against potential losses.

An arbitrage bet is generally referred to as an "arb" and those who place it are "arbers."

Comparing Odds

One method of arbitrage betting is to look at the odds of events in the hope of spotting discrepancies between bookies' prices, or finding useful special offers/money back triggers.

The hardest part of arbitrage is identifying potential opportunities. Generally, this betting strategy looks for the games that systems favoring underpriced underdogs or clear mismatches would instantly write off. Tight games are the life blood of the arber.

In soccer betting, a Champions League match between Real Madrid and Bayern Munich is a good example. Some sportsbooks had pre-match odds of +150 on Real, +190 on Bayern and +260 on a draw. Arbers would look for the highest odds on each outcome at every bookie to place bets that can't lose.

Alternatively, on a betting exchange, players can opt to back or lay events at certain prices and wait to see if their odds are matched.

Soccer betting is tough for this kind of strategy, however, since there are three outcomes and betting volumes are high. A more fertile ground is in-play snooker betting.

For example, Neil Robertson's match against underdog Li Yan in the 2014 China Open Qualifying saw several chances for successful arbs in the frame betting, because neither player makes frequent match-winning breaks. So backing each player to win the frame when they weren't at the table yielded sufficiently high odds to guarantee profit.

The key is comparing as many odds as possible, or playing markets with quick price changes, to capitalize on the shifts.

Cross-Market Arbitrage

What many gamblers don't realize is how flexible arbitrage is. Comparing odds for value discrepancies isn't just about speculatively comparing prices and deals, it's about being creative with the markets.

A simple example from soccer betting is mixing match goals and clean sheet market. If you back the home team to score more than 0.5 goals, and the away team to keep a clean sheet, both at odds in excess of evens, you're guaranteed a profit.

But the number of markets that can be mixed and matched in order to make that profit is potentially huge, and will vary from sport to sport. It's even possible (though slightly more risky) to mix pre-match and in-play bets to track price changes.

Examine the markets available to see which represent similar outcomes, and how prices can be compared for value, to start developing your own arbitrage strategy.