What Is a Betting Exchange: Sports Betting Exchanges in the US

Excludes cashout, E/W, Multis, Ineligible Markets & Odds Boosts. Free bet – one-time stake of £10, min odds 1.5, stake not returned. Min 10 qualifying bets, stake not returned. “Double the odds” applies to fractional odds profits only, with extra winnings paid in cash on settlement. Free bet – one-time stake of £50, min odds 1.5, stake not returned. To qualify, place a min £10 bet from your cash balance at odds of EVS or higher—only your first bet counts, and it must not be voided or cashed out.

When it comes to placing bets at betting exchanges, most of this will need to happen late in the day. While there is no limit to the size of a bet that you can place on a betting exchange, it relies entirely on layers taking on that bet. For example, if you back a horse at 21.0 and then shortly before the race, that same horse has come into 6.0, a betting exchange makes it simple to lay that same horse and lock in a profit.

One bettor offers a price on a side, another bettor accepts the opposite side at that price, and the exchange holds both stakes until the game settles. The main betting exchange sites open to US bettors in 2026 are BettorEdge, Novig, ProphetX, Kalshi and Polymarket US. A betting exchange is a marketplace where you bet against other bettors instead of a sportsbook, and the exchange earns by matching the two sides rather than by pricing a margin into the odds.

They will all advertise their commission in the T&Cs, so always double-check before placing or laying a bet. You’ll find that all betting exchanges will also charge a smaller commission, although the exact amount will vary depending on the platform – the average is 5%. In betting exchanges, odds are set by users, rather than the sportsbook.

For more information on how betting exchanges work, check out this betting exchange guide. A betting exchange provides a platform for punters to bet against each other rather than with a bookmaker. In our banners, you’ll find reputable betting exchanges you can try if you’re looking to diversify your wagers. If you’re willing to invest time into learning how to make betting exchanges work for you, then they can be a powerful tool to take your sports betting to a whole new level. Throughout this online betting guide, we’ve explained that betting exchanges offer a unique and flexible approach compared to traditional sportsbooks.

Whilst bookmakers make their profit when punters lose, betting exchanges make their profit by charging a small commission (usually 2%) on winning bets. With a betting exchange there are no “bookmakers”, just punters coming together to place bets. In the name of fairness and objectivity, it’s worth pointing out that of the four exchanges featured in this article, Smarkets is the one with the poorest liquidity. One thing that really surprised me when I took a closer look at the product was the liquidity of its non gamstop betting sites markets, but it’s with explaining what exactly we mean by that.

Larger, more established companies typically present lower risks. Not all licensed exchange bookmakers meet our reliability criteria. For your peace of mind, always check if a betting site holds a valid license through the Gambling Commission website.

The growth of the US betting exchange market is also driving the analytical approach to placing bets. The lack of margin in the odds results in more favorable bets for punters, as exchanges only charge a commission on winnings, usually between 1 and 5%. Unlike traditional bookmakers, US betting exchanges do not put a margin in the odds, but charge a fee on the winnings of their users. The main source of income for popular betting exchange sites is commissions.

As you might expect with Betfair having the lion’s share of the exchange market, the liquidity in the BETDAQ markets very rarely hits the heights of Betfair. However, they didn’t launch their betting exchange until September 2001 and were the second company to launch an exchange offering to the public. However, it’s there to help customers and a lot of exchange traders make good use of the data. Smarkets are very data driven and provide customers with a host of live odds data, graphs and statistics.