Every few months a viral story does the rounds: someone made £2 million on the US election. Someone else cleaned up on a Bitcoin market. Cue thousands of people quitting their day job in their head.
Slow down. Here's what "making a living" from prediction markets actually looks like.
The Honest Numbers
Studies of established prediction market traders (Iowa Electronic Markets, Betfair, the early Polymarket cohort) show roughly the same shape every time: about 3–5% of active traders are profitable over a 12-month window. Of those, a fraction earn enough to call it income. Of those, a smaller fraction earn enough to fully replace a salary.
It's a power-law distribution, not a normal one. Most traders lose modestly. A few win a lot.
What the Profitable Ones Have in Common
- →A specific information edge in a defined area (politics, a sport, macro, crypto)
- →Disciplined position sizing — they never blow up on one trade
- →Detailed records and a habit of reviewing losses honestly
- →Patience to wait for genuine mispricings instead of forcing trades
- →A real day job or capital base while they build their track record
The biggest predictor of long-term profit isn't IQ or luck. It's whether you keep trading after your first cold streak.
What the Unprofitable Ones Have in Common
- →Trading every market they see, regardless of edge
- →Sizing positions emotionally — bigger bets after wins, revenge bets after losses
- →No record-keeping, so they don't know if they're actually any good
- →Confusing strong opinions with information advantages
- →Quitting their job too early on the back of a hot streak
The "Edge" Conversation
An "edge" is a specific reason your prediction is more accurate than the current market price. If you can't write it down in a sentence, you don't have one.
Real edges look like: "I work in this industry and I know X regulator is about to do Y, but the market hasn't priced it in." Or: "I've watched this football team's training reports for 10 years and the press is missing a key injury." Or: "I built a model that's beaten the consensus on 60% of UK rate decisions for two years running."
Vibes are not edges. Hot takes are not edges. "I've got a feeling" is not an edge.
What "A Living" Realistically Means
Successful full-time prediction market traders typically grow capital slowly — single-digit to low-double-digit percentage annual returns on serious bankrolls — not weekly Lamborghinis. Compare that to a bookie's 4% house edge per bet and you can see how brutal the maths is to begin with.
If your bankroll is £10k, even a great year (say, +20%) is £2k. Useful, not life-changing. To replace a full UK salary you need a bankroll an order of magnitude larger and the discipline to manage it for years.
The Realistic Path
Start as a hobbyist. Use Boromarket's game modes to learn calibration. Trade real money in markets where you have a real edge, in sizes you can stomach. Keep records. Review honestly. After 12–24 months, your win rate either holds up or it doesn't.
If it does, scale slowly. If it doesn't, you've still learned more about how the world works than 99% of people. That's not nothing.
"Prediction markets reward patience and punish overconfidence — the exact opposite traits the internet rewards."
— Boromarket