Is gambling
stupid?
Think you can beat the odds? Let’s find out.
We’re giving everyone 500 imaginary credits to wager on real sports at real sportsbook odds. No deposits. No prizes. Just one giant experiment to see what really happens when people try to beat the house.
Real sports. Real odds. Fake money. Real results.
How it works
- 1
Enrol
One email address. Then you get 500 credits that are worth exactly nothing.
- 2
Wager, or don't
Moneylines, spreads, totals and parlays at real bookmaker prices, locked the moment you bet. Or join the Do-Nothing Club and keep your 500.
- 3
Watch the evidence pile up
Every game settles on the real score. Your lab report updates. So does everyone's.
What we’re trying to discover
What happens when sports fans put their predictions to the test?
We’re looking at how knowledge, confidence, strategy and chance shape betting results. By tracking imaginary bets on real games across American football, basketball and soccer, we can see which approaches hold up, which fall short, and what that says about beating the odds.
We publish what we find, including when it surprises us. The questions and methods are fixed in advance.
Can ordinary people beat the sportsbooks?
How many participants finish with more than their starting 500 credits? And of those who do, how many stay ahead as the season goes on?
Does knowing sports give you an edge?
Do experienced fans do better than casual ones, or does knowing the teams create more confidence than accuracy?
Does confidence predict success?
When people feel sure about a pick, are they more likely to be right? We compare how confident participants say they are with how their bets actually turn out.
Is a winning streak skill or luck?
Do early winners keep winning as they place more bets, or does their advantage fade as the numbers grow?
Which kinds of bets hold up?
We compare moneylines, spreads, totals and parlays to see which lose the least, and which lose the most.
Can anyone overcome the bookmaker's edge?
Sportsbooks build a margin into every price. We look at whether anyone earns positive returns consistently, and whether their picks beat the final prices before kickoff.
The Do‑Nothing Club
The control group. Historically very hard to beat.
Some participants choose not to bet. They keep all 500 credits, and every bettor gets measured against them.
One honest caveat: people pick this group themselves, so it isn’t a randomised control. We say so in the methodology, and we’ll say it every time we compare you to them.
What you get back
A personal lab report, updated as your games settle. Here’s the shape of it.
Illustrative example — not real data
Subject SUBJ-000000, week 9
- Starting bankroll
- 500.00
- Current bankroll
- 127.00
- Total wagered
- 1,240.00
- Return on stakes
- −30.1%
Your real report will have your real numbers, and probably a different joke.
Good questions. Straight answers.
Everything you need to know before joining the $500 Experiment.
Is this real gambling?
No. Everyone gets 500 imaginary credits to bet on real games at real sportsbook odds.
There are no deposits, withdrawals, credit purchases or prizes. The credits have no cash value.
Where do the odds come from?
From real US sportsbooks (DraftKings, FanDuel and BetMGM), through a sports data provider. Each game on the board says which book its prices came from and when they were last updated.
When you place a bet we record the exact price and line you took, and grade it against the final score, even if the line moves afterwards.
Why is it called “Is Gambling Stupid?”
Because it’s a question, not a verdict.
We want to see what happens when people try to beat sportsbook odds. Some will finish ahead and some won’t, and we’ll report what the data shows either way.
Who can take part?
Adults: 18 or over, and of age where you live. It’s free, and no real-money betting is offered.
The founding beta has 100 places. Once they’re taken, your account is kept for the next season.
What happens to my data?
In the research and anywhere public, you’re a subject number, never your name or email. If you agree to research use, your bets are included in published results, which only ever show groups of at least 10 people. Your own history is never published unless you choose to share your report.
You can download your data, withdraw from research or delete your account at any time. The privacy policy explains what we collect, why, and how long we keep it.
What happens if I run out of credits?
Your results stay part of the experiment, and any open bets still settle. Credits can’t be bought or topped up.
A fresh 500 only comes with a new season, and your earlier results stay on the record.
Think you can
beat the odds?
Prove it with money that doesn’t exist.