Guide 5 · Markets and betting
Prediction markets vs betting: how they differ, and where they overlap
A bookmaker sets odds and profits when customers lose. A prediction market lets traders set the price by trading with each other or with a market maker, and you can sell before the result. The mechanisms differ, but the money can look similar, and many regulators treat some prediction markets as gambling.
Three ways to put money on an outcome
| Aspect | Bookmaker | Betting exchange | Prediction market |
|---|---|---|---|
| Who sets the price | The bookmaker | Customers’ back and lay orders | Traders, via an order book or a market maker |
| Who is on the other side | The bookmaker | Another customer | Another trader, or a funded market maker |
| How the operator earns | Built-in margin; profits when customers lose | Commission on winnings | Trading fees |
| Price format | Odds (4/7, −138, 1.57) | Decimal odds | Cents that read as a probability |
| Exit before the result | Sometimes, via cash-out at the bookmaker’s price | Yes, by trading out | Yes, by selling shares |
| Can limit winning customers | Often does | Rarely | Not by design on 369X |
General descriptions; individual operators vary. A lottery is a fourth model: the prize pool is set in advance and no price reflects the chance of a result.
What is genuinely different
The price is the main thing. With a bookmaker, odds include the operator’s margin and are adjusted to balance its book. In a prediction market, 58¢ is what traders are willing to pay, and the operator earns the same fee whichever side wins. On 369X the market maker is software with a capped subsidy, not a house trying to beat you.
The questions differ too. Prediction markets cover elections, rate decisions, product launches and crypto prices, not only sport, and their prices get quoted as forecasts.
Where they overlap
For the person trading, holding YES on a football result that pays $1 if the team wins is economically close to a bet on that team. Sports have become the most traded topic on the largest prediction markets, and some regulators argue that sports contracts amount to sports betting. It would be wrong to say prediction markets are simply “not gambling”.
The law depends on where you are
Treatment varies by country and sometimes by state or province. Some regulate prediction markets as financial derivatives, some as gambling, and some prohibit them. 369X filters access from restricted jurisdictions, but that doesn’t make it legal everywhere else. Check the rules where you live before taking part.
In short
Different price mechanism, similar money. Judge a prediction market by its pricing and settlement rules, and judge whether you may use it by your local law.