Saturday, August 26, 2006

Positive/Negative Equity

Positive and Negative Equity are terms in Poker which relate to pot odds.

Positive equity is basically when you are being given a good price for your call
eg the liklihood of you winning the pot is 40%, but the cost of calling the bet is only 30%

Negative equity is basically when you are getting poor value for the price of the call
eg the liklihood of you winning the pot is 11%, but the cost of calling the bet is 33%

In poker, if you are able to spot correctly the positive and negative equity calls then you are at a distinct advantage.

Outside of poker, Negative equity is essentially how all bookmakers make money. They take an event where the actual liklihood of it occurring is say an estimated 20-1 chance. They then offer odds at a margin below this. eg they offer odds of 9-1. In a simple 2 possible outcome event they might offer 4-5 on one outcome (the favourite) and evens on the other, thus giving the book (as a whole) positive equity for them, but negative equity for the punter.

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