# Questions tagged [betting]

Questions about the role(s) of betting in sports.

45 questions
Filter by
Sorted by
Tagged with
1 vote
50 views

### Did bookies take bets in Pro-Wrestling before 'kayfabe' was common knowledge?

I was curious whether bookies actually accepted bets in Professional Wrestling, given that it is now common knowledge that results are And it seems they do! Despite the worked nature, only very few ...
• 235
127 views

### How do you compare NFL betting lines?

I am trying to compare betting lines on NFL across different sportsbooks to find the optimal one to bet. Here is an example: Sportsbook 1 offers: team A spread: -6 odds:-116 Sportsbook 2 offers: team ...
1 vote
183 views

### Struggling with arbitrage %

Losing my mind over this basic sum of percentages that I am using to calculate arbitrage bets: there are 3 odds of the same match (1.91 + 16.50 + 10.50), their % sum is ~68,2%, so the profit amounts ...
• 13
72 views

### Are more sports being watched due to more states legalizing sports betting and gambling?

I've read that there are many states in the US where you can now legally bet and gamble on sports. Each election term, it sounds like more states are voting on sports betting. What impact has this had ...
• 150
1 vote
254 views

### How often does a betting-house's odds change for a given event 1) before and 2) during the event?

I understand that this is VERY dependent on the specific sporting event, but I was hoping to find some representative averages and ranges ... beyond somewhere between a few times-per-day before the ...
257 views

### How to calculate lay bets

I’ve started making some software that determines the probability of something happening and then using betting exchanges to place BACK bets. I do understand the concept of lay bets however what I don’...
127 views

### How does Smarkets matched betting actually work?

I have been wondering how betting exchanges like Smarkets actually work. If I back or lay a particular outcome, I have to wait until one other individual matches it by doing the opposite. For example, ...
• 31
56 views

### Understanding wager when receiving bonus

I got a bonus from the betting website I use. What does the following mean? To withdraw your bonus, you are required to wager 18 euros with cumulative odds of 1.5 or greater I have a total of 600 ...
• 129
43 views

### How soon do bookies make betting odds available and why at that time?

In a league where all games are known when the league starts, how soon before the game starts do bookies provide pre-match odds? I have noticed that odds for all games in a league, like the English ...
• 121
176 views

### What happens to American odds when the point spread gets further from zero?

I am learning about American odds (moneyline odds) and point spreads. In Chapter 2 of Sports Betting for Dummies, I see: When the point spread on a game gets further from zero, the two moneyline bets ...
• 121
8k views

### Why do some bookmakers have minimum odds requirements on free bet promotions?

I have noticed that some bookmakers will offer free bets but have a condition that in order for the winnings to be withdrawn they must be placed on bets with at least 1/5 odds for example. If I have a ...
• 143
265 views

### Betting value, with our without bookmaker margin

I am trying to find the value of a bet, with my percentage, that some team will win to see if i think there is value in some bet. My question is, should i include the bookmakers margin, when i ...
• 3
124 views

### Placing a bet by the athlete himself [closed]

Can a player place a bet on himself for winning a sports event? For example a tennis player places a bet on himself for winning a match or a Grand Slam tournament? Obviously he can't place bet on ...
• 237
1k views

### What type of mathematics do you use in sports betting?

I'm new to betting and want to know what type of mathematics are used in sports betting. I found something with Google about systems for betting but it didn't help me a lot. I also tried to find ...
• 39
1 vote
208 views

### The mathematics behind Over/Under Pricing with Integer Goals

I'm trying to understand whole number goals in Over Under betting. They are described as follows: https://betdaqhelp.custhelp.com/app/answers/detail/a_id/157/~/what-are-under%2Fover-markets I am ...
• 111
113 views

### Why can't I find any point-spread information about the World Cup of rugby?

All I can find is various predictions about the winners of games. Doesn't the margin of victory mean anything in this sport?
97 views

### In the NFL, how have teams fared against odds from Las Vegas?

Is a home team more or less likely to beat the spread than an away team? Do favored teams or underdogs win against the spread more often? Please include statistics/studies instead of just guessing. ...
2k views

### Relationship between Winning Margin and Point Spread in NBA Betting

For an NBA game, I see a market for Spread and one for Winning Margin. The Spread market lists "Team A -5.5: 10/11". The Winning Margin markets lists "Team A, 6 points or more: 3/4". Shouldn't the ...
• 23
763 views

### Who is the "winner" of each leg of a two-legged football match, or a match that goes to penalties?

Match #1 Europa League, quarter-finals, 2nd leg: After 90 minutes Besiktas was up 2-1 against Lyon. Because of the aggregate score of 3-3 (Lyon won 2-1 in the 1st leg) they had to play extra time and ...
• 121
1 vote
1k views

### shortest odds in a top-class horse race

In his final non-walkover race, the 150 Guineas at Newmarket in 1770, the undefeated Eclipse was offered odds of 1/70. These odds seem remarkable. Are there prominent examples of shorter odds in top-...
• 111
1 vote
981 views

### How is the Odds Shark "Predicted Score" calculated?

I was looking for some statistics for research reasons on past game history and stumbled upon "Predicted Score". Then, I decided to try to figure out how this statistic is being calculated and could ...
• 111
237 views

### Do sportsbooks structure "lossless" bets?

Brand new to sportsbetting here, and am trying to understand something. Does the oddsmaker/betmaker ever stand to lose money, or do they structure their offered bets in such a way that they always ...
• 193
190 views

### Oddsmakers, Betmakers and Sportsbooks: Who does what?

Brand new to sports betting here, and am wondering if there is a technical difference between: The oddsmaker; and The betmaker; and The sportsbook These terms seem interchangeable on some sites/...
• 193
1 vote
784 views

### How are half-winning or half-losing or refund states treated in a multibet form?

How is the prize calculated when there are half-winning or half-losing or refund states in a multibet form? Does it matter if more than one bet is a half-winner or a half-loser, or a combination of ...
4k views

### How do bookies calculate parimutuel place odds (in horse racing) shown before a race starts?

For horse racing, betting sites show win and place odds for parimutuel pools before a race starts. In my understanding, calculating place odds requires knowing which runners place, as explained here: ...
• 31
2k views

### Asian handicap bets combination

What happens if I bet on 5 games over 1.0/1.5 goals and 3 of them ended over 1.5, but the rest two only with one goal? How is the outcome calculated?
416 views

### betting - do favorites get undervalued quotes?

I came across an example of a job interview question related to betting and want to ask the opinion of experts as my betting knowledge is very basic. Here is the question: "Do you think favorites ...
• 153
8k views

### Why is betting on yourself in a sporting event considered unethical?

I understand all the problems that a sports player betting against themselves can cause, but what is the harm caused by betting for oneself or one's team to win (note I am not saying win by X points, ...
• 191
3k views

### What does "dividend" mean in the context of betting?

For example: Tote - The organisation appointed to receive bets and supply dividends in proportion to the amount of the investment. A body in the UK set up to operate pool-betting on all racecourses....
417 views

### Is betting on oneself to win or lose legal?

Is it legal for a player to bet on himself or on his team to win? to lose? For example, could a player from Chelsea FC bet that his team will win the Champions League next year? Or could Cristiano ...
• 337
2k views

### How to calculate the far and near price of betfair?

The documentation on Betfair for calculating near and far prices is quite brief. Could anyone here provide me with a worked example of how to calculate the far and near price for this data from ...
• 285
12k views

### Was Pete Rose busted for betting against his own team?

I understand the reason for the MLB's ban on betting against one's own team, but I don't understand why it is forbidden to bet for one's own team. Which did Pete Rose get busted for, and why is it ...
• 517
2k views

### Combining Bets in sports

I am trying to come up with the most lopsided bet I could possibly do for the upcoming Barcelona vs Juventus final. I have a question about whether or not combining bets is possible. For this example,...
• 337
478 views

### NFL betting odds during game

I have a couple of basic questions about NFL betting. Are betting odds set in stone before the game begins, or do they evolve with the progression of the game? What are "closing odds?" ...
• 193
4k views

### How do bookmakers get the lines so close on sports betting?

How is it that a bookmaker can offer a basketball game with say a +10.5 handicap on Team A, and the game finishes 110-100 or 101-90? The same thing seems to happen with the point total, they'll set ...
• 1,456
899 views

### Sports odds explanation for NFL

I'm looking at sports odds at for the first time and am a little confused. I understands that if ATS (against the spread) is negative, then the home team is predicted to win. Also, SP (spread) ...
• 153
538 views

### Betting on even quotas

Assume that you want to bet for football game and the odds are as following: Victory Team 1: 2.30 No Winner: 3.00 Victory Team 2: 2.30 Is it correct, that in this case, the bookie considers both ...
• 121
173 views

### Before the season began, what odds did Vegas give the Orioles of winning the AL East in 2014?

Looking at various websites' pre-season predictions for the major league baseball teams, many at places like ESPN and MLB.com had the Red Sox and Rangers doing very well and the Orioles typically out ...
• 509
11k views

### What's the point of a half-point line?

In football betting, a "line" is provided by which the favorite team needs to win, in order for bettors to win that game. Sometimes the line is x.5 points. If it's impossible to gain half-points in ...
• 739
3k views

### How do NFL teams do in their last game if they have already clinched a playoff spot?

Do they tend to rest their good players so they don't have as many injuries going into the playoffs? Basically, I'm wondering if I should bet against teams with playoff locks if the matchup is close......
• 201
225 views

### Good resources for soccer statistics, news, etc? [closed]

I recently got \$200 on a sports betting website as a gift from a friend, they have different sports but I am most interested in soccer. I have 0 experience in betting, and I also don't know much about ...
• 31
19k views

### Why do odds offered by the bookmakers tend to change rapidly during the last few minutes before the start of the game?

On several occasions, when checking odds offered by bookmakers, I have noticed that they have been changing rapidly as the time of the event get closer. (This was particularly noticeable during the ...
• 5,811
2k views

### How is potential profit from an arbitrage bet (a.k.a. surebet) calculated?

Arbitrage bet or surebet means betting on all possible outcomes in which you make profit independently on the result of the event. How exactly can I calculate whether given odds form an arbitrage and ...
• 5,811