The History of Bookmaking: From Ancient Rome to Modern Sportsbooks

Yusuf Bello·
The History of Bookmaking: From Ancient Rome to Modern Sportsbooks
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Let me hit you with a hot take. Bookmaking has been around since gambling began. In Rome, people wagered on chariot races. Someone had to take the opposite side of the wager. That person was the bookmaker. Same game, different era.

The modern sportsbook is a direct descendant of the ancient betting market. Someone wants to wager on an outcome. Someone else accepts that wager, pricing it based on probability and house edge. This transaction is the foundation of all sports betting.

The business model is identical. The bookmaker charges a fee (called the vig or juice) on each bet. The bookmaker wants balanced action on both sides. If the action is balanced, the bookmaker makes money from the vig regardless of outcome. This is the house's edge.

Mediaeval Europe had bookmakers operating around jousting competitions. Renaissance Europe had bookmakers operating around early sporting events. By the 1800s, bookmaking was a developed industry with clear pricing, with syndicates, with organized operations.

When the United States banned gambling, bookmaking moved underground. Illegal bookies operated street-level betting on sports. The business model did not change. The vig remained. The desire to balance action remained. Only the legal status changed.

The Modern Era

When states began legalizing sports betting, the first question was how to structure it. The answer was obvious: use the bookmaking model that had been proven over two thousand years. The only change was the application of technology.

Modern sportsbooks use algorithms to price games. The algorithms account for public betting patterns, sharp money movements, injury reports, weather, and thousands of other variables. But the goal is identical to what Roman bookmakers aimed for: balanced action and house profit.

Online sportsbooks exist because of technology. But the model is ancient. Take action. Price it. Move the line. Balance. Profit.

The evolution has been in speed and in analytics, not in the fundamental structure. An illegal New York bookie in 1965 and a legal FanDuel operator in 2024 are doing the same job with different tools.

The question going forward is not whether bookmaking will survive. Bookmaking will survive as long as gambling exists. The question is which platforms will dominate and how regulation will evolve.

Bookmaking is the oldest continuous business in sports. It predates professional sports. It predates modern sports culture.

The regulatory question is interesting because governments initially wanted to ban gambling entirely. When that failed, governments sought to control it. The sportsbooks that exist today are creatures of regulation. They exist because governments legalized them.

Different jurisdictions regulate differently. Nevada has loose regulation. New Jersey has tight regulation. This shapes the business differently. But the model remains bookmaking.

Predatory pricing, limits on winnings, restrictions on player accounts, forced problem gambling programs. These are modern regulatory requirements that bookmakers must follow. But the core business is unchanged.

The future of bookmaking is probably mobile-first. Players will place bets through their phones more than through websites. The infrastructure will be optimized for mobile. But the bookmaking model will persist unchanged.

What kills bookmaking is not regulation or technology. What kills bookmaking is if players stop gambling. As long as players want to wager, bookmakers will exist to take their wagers. And bookmakers will make money from the vig.

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