Smarkets vs Betfair Exchange

Smarkets was founded in 2008 by former equities trader Jason Trost and software engineer Hunter Morris in London to disrupt legacy bookmakers with financial-grade exchange architecture. Built on Erlang-based event-driven matching infrastructure, Smarkets operates as an agile peer-to-peer prediction marketplace covering global sports, political elections, macroeconomics, and current affairs.

Distinguished by its industry-defining flat 2% commission structure on net market winnings, Smarkets offers unmatched liquidity and transparent order books. The exchange actively welcomes quantitative traders and high-volume market makers by maintaining transparent APIs and strictly prohibiting account restrictions or limits on winning traders.

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Betfair Exchange was founded in 2000 by Andrew Black and Edward Wray, revolutionizing international sports wagering and event forecasting by replacing traditional bookmaker markups with a peer-to-peer orderbook. By allowing traders to both "back" (bet for) and "lay" (bet against) outcomes, Betfair introduced financial market microstructure—complete with order depth, bid-ask spreads, and cash-out trading mechanics—to sports, horse racing, and political markets.

As the largest and most liquid betting exchange in the world, Betfair serves as the global benchmark for real-time probability discovery. Its political prediction markets, most notably the US Presidential Election contract, routinely process hundreds of millions of pounds in traded volume per cycle, making Betfair's orderbook a primary reference point for international news organizations and quantitative research analysts. Betfair operates on a commission model, charging a small percentage on net winning positions rather than taking directional risk against its users.

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