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Common Terminology
Across the Aver platform you’ll encounter trading-specific language. Sometimes other users and information about Aver or other prediction markets might be used interchangeably.
Here is a list of common terms we use (a more comprehensive dictionary can be found here).Users that have found their way here from a betting background, may be more familiar with some betting terminology - we have tried to cater for both throughout.

A wager of any kind.

The simultaneous purchase and sale of the same position in different markets to profit from unequal prices.

Back betting means putting your money on something to happen. It is akin to ‘buying’ a prediction contract for a particular outcome to occur.

The available funds you have to trade with.

A person who creates betting lines and takes wagers. Aver is not a bookmaker.

An individual’s advantage. This usually refers to an instance where you have a positive expected value.

The expected value (EV) is a probability-weighted anticipated to result from an action (a trade, an investment, a bet) at a point in the future.

Placing an offsetting trade or bet on the opposing side(s) after you have already hold an exposure on one side. This can be used to either cut your losses, or lock-in and guarantee a profit.

Laying betting means betting on something not to happen. It is akin to ‘selling’ a prediction contract - or trading on the expectation that a particular outcome will not occur.

In traditional sports betting, a limit is the maximum stake a book will take on a single event. In prediction markets, there may be a limit placed on overall volume traded in a given market.

(Not to be confused with ‘Limit’ above)
This is a type of order where the user specifies the maximum (in the case of a buy order) or minimum (in the case of a sell order) price that they are willing to accept for their trade to be matched. This allows users to set their own terms, rather than simply ‘taking’ the price/odds offered.

Another term for the odds. This is generally used in North American sports betting, where many markets trade around a ‘line’ - i.e. under or over a particular spread, or score - though it can be used to refer to other types of odds more broadly.

In sports like baseball, soccer and hockey, there are so few runs/goals scored that it doesn’t make sense to only offer a spread. Instead, these sports offer a ‘moneyline’ in which you trade on whether or not a specific team is going to win straight-up.

Also known as the total, this refers to the total amounts of points/goals/runs that will be scored in the game. If both teams combine to score more than the total, the over wins. If they combine to score fewer, the under wins.

Any type of bet.
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