程阳：Understanding The House Edge
2009-04-08 23:53阅读：
程阳：Understanding The House
Edge
I’ve heard it described many ways. Some people say it’s “A
place to have fun” others say its “Disneyland for adults”. No
matter what you think a casino is, keep this in mind. A casino is a
business. BIG BUSINESS!! Bob Stupak, former owner of Vegas World
Casino, told US and World Report, “Its our duty to extract as much
money from the customer as we can and send them home with a smile
on their face.”
So, how does the casino go about extracting money from you? Do they
Cheat you?
NO!
They don’t have to cheat because except for Blackjack and
Video Poker, every Casino game has a built in profit on every bet.
This is known as the House Edge or Casino Advantage.
Every bet you make has a certain probability of winning or
losing. If you bet on t
he flip of a coin, the probability of heads or tails is 50-50. This
would be an even money bet. If you bet a dollar and was paid a
dollar when you won, you would be paid TRUE ODDS. However if the
casino only paid you 95 cents every time you won instead of a
dollar the House edge would be 2.5%. Simply put, The house edge is
the difference between the true odds and the odds that the casino
pays you when you win.
Look at this House Edge Chart. It shows the Casino’s
advantage for different casino games. All are fixed except for
Blackjack and Video Poker. These two games actually can have a
positive payback depending on the skill of the player and the rules
or payback table.
Look at the game of Roulette. You will see that the house
edge is 5.26% for the double zero game. This is how we figure the
edge. In the game there are 36 numbers plus the 0 and 00. The odds
of you winning is one in 38 or 37 to 1. If you win the casino pays
you 35 for your dollar bet. You keep your original dollar, and are
paid an additional $35 returning $36. The difference is two dollars
(38 minus 36). Divide the $2 by 38 which is the true odds and you
come up with the house edge of 5.26%. So you could actually cover
all the numbers on the layout and still lose money. These are great
odds for the house but not for you. Games like Roulette, Craps, Big
Six a have a fixed percentage because one roll or spin will never
change the out come. There will always be 38 numbers on a roulette
layout and 12 numbers on a pair of dice.
Blackjack is in a different category because every time a
card comes out of the shoe, it changes the make up of the cards
remaining. The advantage can shift from player to house depending
on which cards have been played and the Skill in which you play
your cards.. Video Poker also is based on skill. If you play the
perfect strategy, there are actually some games that have a
positive return based on their pay table.
From the above chart you can see why a casino does not have
to cheat to make money. Does that mean you will lose every time? No
of course not. If you did you wouldn't keep coming back. However in
the long run the casino will win on negative expectation
games.
This chart shows the percentage the house
retains on most bets.
House Edge
Percentages
Game
|
Bet
|
Percent (minus)
|
HPH |
| Baccaret |
Bank |
1.06 |
80 |
| Player |
1.24 |
| Tie |
14.4 |
| Craps |
Pass/Don't |
1.4 |
30 |
| Field |
5.6 |
100 |
| Hardways |
up to 16 |
| Roulette |
Double 00 |
5.26 |
50 |
| Single 0 |
2.7 |
| Carribbean Stud |
Ante |
5.3 |
40 |
| Bonus |
48 |
| Let It Ride |
Base |
3.5 |
40 |
| Bonus |
15 - 30 |
| Big Six Wheel |
One |
11.1 |
? |
| $5 $10 $20 |
16-22 |
| Joker |
24 |
| Keno |
Average |
27 |
7 |
| Blackjack * |
Basic Strategy |
1/2 (.5) avg |
60 |
| Poor/Hunch |
3-5 |
| Counter |
Positive |
| Video Poker** |
Perfect Play |
Postive |
600 |
| * Varies depending on Skill, Rules and number
of decks used. |
| ** Varies on Skill , Game type and Pay
Table. |
HPH = Hands Per Hour
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