Bwin.Party Digital Entertainment, a major European online gambling company, released data on 4222 gamblers, and the math behind gambling win probabilities shows just how badly the odds are stacked against gamblers. Experts say these data figures are comparable to those of real casino here in the US, however casinos keep their data a heavily-guarded secret. The figures released show that statistically, the more you play, the more you’ll lose- the heaviest gamblers had only a 5.4% chance of ending in the black, compared with 17% of the customers who placed the least amount of wagers. Furthermore, the data shows that casinos and gambling operations rely mostly on problem gamblers for their revenue- 2.8% of the customers provided half of the company’s profits, and 10.7% provided 80% of revenue. This The Wall Street Journal article summarizes the findings.

2013 How Often Do Gamblers Really Win- New data provide some answers