Principles of odds formation and the formation of the grosses
Bookmakers Рarimatch apk determine the probability of the outcomes and translate it into odds, but before the available for betting rolls with different variants, two more operations are performed:
Laying the margin. Everyone knows that bookmaker's offices steadily make a profit due to an additional percentage of probability - the margin. In the example of heads and eagles we said that the odds for each outcome should be 2.00. But in reality you won't find such odds anywhere, because after adding the margin the odds for equal chances will be from 1.98 - 1.98 to 1.90 - 1.90 and lower.
Changing the odds to match the expected proportions of bets from players. In reality, it is more important for bookmakers to predict what the majority will bet on, rather than correctly estimate the odds. If the probability of P1 in the match Chelsea - Burnley after taking into account the margin is equal to odds of 1.70, the bookmakers will put somewhere around 1.62, because they know that most of the money will be bet exactly on a Chelsea victory. Accordingly, the odds on X and P2 will increase after the adjustment.
Bookmakers have an advantage over the players due to the margin, which everyone knows about. If you bet on heads and tails at odds of 1.98 - 1.98, you are bound to be in the red over the long haul. But there is an opportunity not only to level out this superiority of bookmakers, but also to gain an advantage.
To do this, you need to bet on the jacks - bets with an overweight, outcomes with inflated odds. A conventional example: bets on heads are accepted with odds 1.90, and on tails - 2.02. The odds were and still are 50/50, but the odds 2.02 says that the probability is 49.50% (100/2.02 = 49.50).
Of course, you have to bet on tails for 2.02, which will benefit you in the long run, it's a valley - a situation where the actual probability of the outcome occurring is higher than the odds reflected by the odds.
Valoys are rarely found in the starting line of bookmakers, but thanks to the movement of the line - the change in odds after betting players - the chances of finding bets with an overrun significantly increase.
