Looked at from the perspective of a gambler rather than a statistician, " better than evens" means " odds against". History · Terminology · Statistical usage · Gambling usage. The most common use of odds is found when placing a bet on a sporting event. Betting agencies use historical data and team statistics to predict who is more. Your best bet! Oddschecker compares odds and offers from the leading bookies, across all sports and events. Win more using the ultimate betting tool. Horse Racing Betting Odds · Football · UK General Election · Golf. Tips Betting through bookmakers is illegal in the United States except in the state of Nevada. Sky Bet is licensed and regulated by Alderney Gambling Control Commission. Swapping odds for and odds against swaps better odds and infinity, fixing 1, while swapping probability of success with probability of failure swaps 0 and 1, fixing. Sky Bet is licensed and regulated by the Gambling Commission licence number This is a minor difference if the probability is small close slot vegas zero, or "long odds"but is a major difference if the probability is large close to one. The language of odds such as "ten to one" for intuitively estimated risks is found in the sixteenth century, well before the development of mathematical probability.