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If you keep placing bets on outcomes of events, just because you fancy teams/players to win (Gut Instinct), without considering the odds fully then you will likely be losing money in the long run. Value betting involves independently considering if the odds offered are better than the true probability of the outcome happening, and only placing bets if that is the case. Let’s start our Why is Value Betting superior to using Gut Instinct? article off with an example:

Let’s say you are considering placing a bet in an event in which there are two outcomes only, e.g. the final of a competition where either team/player A wins, or team/player B wins (no draws possible). You need to calculate the true probabilities of the outcomes. This requires taking into account a lot of factors (prior results, injuries, officials, form etc. – variables will depend on what event you are betting on), and coming up with a statistical model (which may require, amongst other things weighting the factors).

Let’s say you calculate A wins two-thirds of the time, and B wins one-third of the time:
Two-thirds of the time is the same as odds of 1/2*, i.e. for every 1 time they don’t win, they will win 2 times.… Read the rest

• Wisdom of the Crowd refers to the phenomenon that a large number of individuals in a group, will usually be able to make better decisions than any individual in that group.
• For example, at a funfair say their was a big jar with an unknown amount of marbles. People were asked to guess the number of marbles (with the closest getting a prize). If you took all the guesses and averaged them (provided there was a sufficient number of people in the group) it would usually come close to the actual number of marbles in the jar. Obviously, the more people who participated the closer to the actual number you would get.
• This happens, because individual noise is filtered out.
• In the case of betting odds, Wisdom of the Crowd also has an effect as bookmakers are forced to lower prices getting a lot of betting action (and increase prices not getting a lot). So, highly backed outcomes get their prices lowered, and less well back outcomes get their prices increased.
• However, for Wisdom of the Crowd to work people have to be making rational and independent decisions. In the case, of marbles in the jar at the funfair this may be the case.

Diligent sports betting bankroll management can be the difference between winning sports bettors, and those who are destined to lose all their money.

Here’s an example:

• Let’s say that you have £1,000 to gamble with in total in your sports betting account with a bookmaker, but cannot replenish this money if you lose.
• Let’s say you were betting on an event with only two possible outcomes, and the bookmaker was offering 6/5 on outcome 1, and 1/2 on outcome 2 (this is a made up example).
• Let’s say according to your value bet calculations, you thought the true odds of each outcome was 1/1 – i.e. there is a 50% chance of outcome 1, and a 50% chance of outcome 2.
• Of course you would want to bet on outcome 1, as you are getting better odds than required. You would never bet on outcome 2, as you are getting worse odds than required.
• If you bet £1,000 on outcome 1, there’s nothing intrinsically wrong with the bet in terms of value. After all, you will be making £1,200 profit if outcome 1 happens!
• However, what if outcome 2 happens? 50% of the time it will, and you will lose your stake of £1,000.

When placing a bet with your bookmaker on a horse race, you may see each horse’s form indicated. You can also see horse racing form in newspapers which carry race cards. What do the letters, numbers, and other characters mean?

They tell you how each horse has performed in their most recent races. This may help you decide how each horse will perform in the current race that you are thinking of betting on. The important thing to remember is that the rightmost entry is the most recent race, the 2nd entry from the right is the 2nd most recent race, etc.

A number from 1 to 9, means that the horse finished in that position (a limitation of the form guide, is that it does not tell you how many horses ran in that race). If the horse finished outside of the top 9, the number 0 is shown. If the horse did not finish the race, you will see the reason indicated by one of the following letters: B,F,P,R,S,U which respectively stand for Brought down, Fell, Pulled up, Refused, Slipped up, and Unseated rider. You might also see the following characters: – is used to separate years, and / is used to separate racing seasons.… Read the rest

Full Cover Bets in horse racing betting, are bets consisting of all possible doubles, trebles, and fourfold and above accumulators (if appropriate) across a given number of selections. As long as at least two of your horses win, you will get something back (although this does not necessarily mean you will profit overall).

• Trixie – Choose three horses you think will win (from three different horse races). Your bet consists of four separate bets (three doubles, and one treble). If you wish to include the 3 singles too (Trixie, plus 3 singles), the bet is called a Patent.
• Yankee – This time you pick four horses to win, from four different races. Your bet consists of six doubles, four trebles, and one fourfold accumulator. That’s 11 separate bets. If you wish to include the 4 singles too (Yankee, plus 4 singles), the bet is called a Lucky 15 (as 15 separate bets are placed).
• Canadian – Make five selections from five different races to win. 26 separate bets are placed (10 doubles, 10 trebles, 5 fourfold accumulators, and one fivefold accumulator). If you wish to include the 5 singles too (Canadian, plus 5 singles), the bet is called a Lucky 31.

Overround Explained: The odds offered by bookmakers are unlikely to correspond exactly to the actual probabilities of the outcomes in any market happening, as no bookmaker is likely to operate without trying to offset its costs (and trying to make a little something on top)! Bookmakers are likely to be taking money from lots of customers over the possible outcomes – they may try to guarantee themselves a profit regardless of the result. Bookmakers may start a market by working out the actual probabilities of the outcomes in a market occurring and then incorporating a profit margin into the odds, but as money comes in on the market they will often adjust prices to attract less or more money to particular outcomes – e.g. they may want to limit their liability on an outcome they already face a big payout on if it comes through, or they may want to attract more money to different outcome(s) to one(s) they already have taken a lot of money on to guarantee a profit or minimise potential losses. How do bookmakers use overround to try and make profits?

As an example, here are the odds a bookmaker was offering, at the time of writing, on an upcoming Rugby Union match.… Read the rest

Accumulators allow you to combine multiple bets, and potentially win big when all your selections win. Accumulators may seem great news to casual gut instinct bettors. After all, they offer the chance to win a lot of money for a small amount gambled. However, for the value bettor who is looking to potentially make a long term profit from betting, accumulators pose a great problem! We have already discussed the notion of overround – bookmakers will want to build in a profit margin on the markets they offer. However, when overrounds are multiplied it can be a big problem for the bettor! Hence, we are posting this Mitigating accumulator overround disaster article.

Let’s say you place a double (2 selection accumulator), with both bets having an overround of 12%. To calculate the combined overround:

[(1.12 x 1.12) multiplied by 100] minus 100 = 25.44% overround

Bookmakers would love you to place this accumulator, rather than 2 single bets. As an accumulator the total overround is more than double the individual overrounds.

Let’s say you place a 4 selection accumulator, and all four bets have a 12% overround. To calculate the combined overround:

[(1.12 x 1.12 x 1.12 x 1.12) multiplied by 100] minus 100 = 57.35%… Read the rest

• Accumulators Explained: If you place a double or a treble, you have placed 2 or 3 bets respectively. ALL your bets need to win, for you to make a profit (and get your stake back). If all your bets don’t win, you lose your stake and don’t get any profit. If your first bet wins, BOTH the winnings and the stake are combined to become the stake for the second bet etc. 4 bets can be called a fourfold. 5 bets can be called a fivefold. 6 bets can be called a sixfold. Although, all the above work in the same way (all the bets have to win, for you to make a return and get your original stake back), technically only 4 bets and above are called accumulators (although some people still decide to call doubles and trebles accumulators). Accumulators suffer from overround multiplication issue.
• Let’s say you have £60 to bet in total, on 4 bets at odds of 3/1, 4/1, 5/1, and 6/1.
  If you bet £15 on each of this outcomes separately, you stand to make the following profit on each bet (and get your £15 stake back):
  • 3/1 : £45
    4/1: £60
    5/1: £75
    6/1: £90
    If all the selections won you would get £270 in profit (and get your £60 of stakes back).