What is sports betting? Everything you need to know

In this guide, we’ll break down everything you need to know about sports betting — from its distinctive origins to the step-by-step process itself, the most popular sports to bet on, and all relevant legalization matters. 

So, whether you’re a total beginner or you want to simply dive in deeper, this is the beginner’s ultimate sports betting information manual.

Sports betting is the act of placing a wager on the outcome of a sporting event. Such outcomes include: who will win a match, how many points will be scored, or which player will perform best. If your prediction is correct, you win money. If not, you lose your stake.

There are many sports and betting options to choose from, including football, basketball, tennis, horse racing, and more. You can bet on full-time results, in-play moments, or specific player and team statistics, depending on the sportsbook. Each bet comes with odds, which determine how much you can win.

Just as important as understanding the bets is where you place them. The golden rule is to choose a licensed and regulated sportsbook. This ensures fair odds, secure payments, and proper protection for your funds throughout your sports betting experience.

Sports betting rules are the fundamental guidelines that outline how bets are placed and how winnings are distributed. These rules cover things like minimum and maximum bets, settlement rules, voided bets, how odds are calculated, what bets are calculated at full-time or after extra time/penalties, and many more. 

Every sportsbook has its own house rules, so it’s essential to read them before placing a bet. A good knowledge of these rules helps you avoid painful surprises and know precisely what to expect when betting.

Sports betting is categorized as a type of gambling, but not all gambling is sports betting. Sports betting focuses specifically on predicting the outcome of sporting events, such as football matches, basketball games, horse racing, or tennis tournaments. You place a bet based on your knowledge, analysis, or opinion of something happening in reality. 

Gambling is a broader term that encompasses games of pure chance, such as slot machines, roulette, or lottery games. In these games, the outcomes are random, and skill doesn’t determine if you win or not. In fact, it plays little to no role. 

In essence, sports betting often involves research, knowledge of the game, and decision-making. On the other hand, gambling activities rely mostly on luck.

Sports betting is easier to understand when you break it down into simple steps. Here’s how the process works from start to finish:

Sports betting has been around for thousands of years. The earliest known wagers were placed on athletic contests and gladiator fights in ancient Greece and Rome, where spectators bet on outcomes purely for excitement and pride. Over time, betting followed sports wherever they went, slowly becoming more organized and structured.

The modern sports betting world began to take shape in the late 20th century. Traditional trackside bookmakers and betting shops became popular, especially for horse racing and major sporting events. Then came the internet in the late 1990s, which completely changed the game.

Online sportsbooks made it possible to place bets from home, opening sports betting to a much wider audience. The most significant recent shift has been mobile betting. Smartphones and mobile betting apps now allow players to place bets instantly, even during live games. 

This convenience has driven massive growth. Today, betting odds are often even shown during live sports broadcasts. With sports betting revenue projected to reach $17.23 billion in 2025, the industry shows no signs of slowing down.

The history of sports betting in America is one long and dramatic journey. For many years, legal sports betting was almost entirely limited to Nevada, with Las Vegas acting as the country’s betting capital. In most other states, sports betting was either banned or pushed underground.

This all changed in 2018, when the U.S. Supreme Court struck down a federal law called PASPA (the Professional and Amateur Sports Protection Act). PASPA had prohibited states from allowing betting on professional and amateur sports, with Nevada being the exception. 

Once PASPA was overturned, individual states were free to create their own sports betting laws. Since then, many states have launched regulated sports betting platforms, both online and in-person. 

As a result, sports betting has quickly become one of the fastest-growing forms of entertainment in the United States, with millions of Americans now able to bet legally and safely from home.

There is nothing complicated or confusing in how sports betting works, but you do need to master the basics before jumping in. Here are some pointers to hold onto: 

EXAMPLE: There’s a match between Team A and Team B. Let’s say you decide to place a $10 wager on Team A to win over Team B at odds of +200. If you win, you’ll receive $20 in addition to your $10 bet. This brings the final payout to $30 in this case 

Note that betting odds can change regularly due to various conditions, such as injury news, form, the number of bets on the same market, weather conditions, and other factors. 

There are different types of odds formats, and their use is mostly determined by geographical location. In Europe, decimal odds are common, while moneyline odds, also known as American or plus/minus odds, are more prevalent in the United States. 

The American odds use a plus (+) and minus (−) system.

The plus and minus odds system is very common in the US. You need to get a good understanding of it to avoid staking on wrong odds. 

Sports betting has a vast array of terminology and phrases used to describe various actions or events. Here are some of the most important ones to understand and memorize:

While there are several different variations of bets, often with alternative names and terminologies, in principle, the most popular types of sports bets that are available are as follows:

As you can imagine, sporting contests are primed with betting opportunities. Not only does each sport boast a wealth of available statistics and historic head-to-head matchups, but it also sees rival fan bases wagering on the belief that their teams will win.

Bookmakers worldwide can offer an almost unlimited number of sports betting markets across almost every sport imaginable. The most popular of these tend to focus on major events such as the Super Bowl, UEFA Champions League, or the World Cup.

To illustrate this, here is a shortlist of just some of the most popular sports that people enjoy betting on:

As you might expect, the legal status of sports betting varies, often purely based on where a bettor is placing their sports-oriented wagers.

While some nations, such as the UK, parts of Europe, and Australia, fully embrace legal sports betting, in other countries and regions, sports betting can be prohibited or enforced with strict legislative restrictions.

As mentioned earlier, the turning point for U.S. sports betting came in May 2018, when the U.S. Supreme Court struck down the nationwide federal ban on betting on sports. 

Since that date, dozens of states have begun to roll out regulated sports betting measures, each with its own set of rules and sportsbook platforms.

State-approved licensed operators must monitor and comply with any changes to the law. 

These include account holder identity checks, responsible gambling measures and safeguards, transactional security checks, and money laundering checks. These measures are necessary in an industry susceptible to underage betting, corruption, and unlawful advertising.

Sports betting can be equally as profitable as it is exciting. If you prefer to place bets at a land-based bookmaker or at an online sportsbook, having adequate knowledge of how sports betting works gives you the upper hand already. 

While this guide has explained the basics of how sports betting works, including key aspects such as odds, terms, legislation, history, and bet types, it’s also important to recognize the importance of responsible betting. 

Ensure you follow responsible gambling guidelines, such as setting limits, managing your bankroll, taking timeouts, and seeking help when needed.