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Concept
Bookmaker
Summary
A bookmaker, bookie, or turf accountant is an organization or a person that accepts and pays out bets on sporting and other events at agreed-upon odds.
The first bookmaker, Ogden, stood at Newmarket in 1795.
Bookmakers in many countries focus on accepting bets on professional sports, especially horse racing and association football or Indian Premier League cricket. However, a wider range of bets, including on political elections, awards ceremonies such as the Oscars, and novelty bets are accepted by bookmakers in some countries.
Mathematics of bookmaking
By "adjusting the odds" in their favour (paying out amounts using odds that are less than what they determined to be the true odds) or by having a point spread, bookmakers aim to guarantee a profit by achieving a 'balanced book', either by getting an equal number of bets for each possible outcome or (when they are offering odds) by getting the amounts wagered on each outcome to reflect the odds. When a large bet comes in, a bookmaker may also try to lay off the risk by buying bets from other bookmakers. Bookmakers do not generally attempt to make money from the bets themselves but rather by acting as market makers and profiting from the event regardless of the outcome. Their working methods are similar to those of an actuary, who does a similar balancing of financial outcomes of events for the assurance and insurance industries.
Gambling in the United Kingdom
The first bookmaker in the United Kingdom is considered to be Harry Ogden, who opened a business in the 1790s, although similar activities had existed in other forms earlier in the eighteenth century.
Following the Gaming Act 1845, the only gambling allowed in the United Kingdom was at race tracks. The introduction of special excursion trains meant that all classes of society could attend the new racecourses opening across the country. Runners working for bookmakers would collect bets in clock bags. Cash flowed to the bookmakers who employed bodyguards against protection gangs operating within the vast crowds.
Official source
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