Quick answer
Domer is the pseudonym of prediction markets' most famous trader: a full-time political bettor since 2007 who has wagered more than $400 million on Polymarket, was profiled by 60 Minutes, and now trades both Polymarket and Kalshi. His edge is discretionary research in politics and geopolitics, not bots or arbitrage. His real name is not public.
$400M+
wagered on Polymarket (60 Minutes, 2025)
2007
trading prediction markets since Intrade
~$4M
career profits across venues (2026 interview)
5,000+
markets traded on Polymarket alone
| Domer at a glance | |
|---|---|
| Known as | Domer (@Domahhhh on X) |
| Real name | Not public — fully pseudonymous |
| Trading since | 2007 (Intrade era; ex-professional poker) |
| Venues | Polymarket and Kalshi |
| Total wagered | $400M+ on Polymarket (60 Minutes, 2025) |
| Career profits | ~$4M across venues (2026 interview) |
| Specialty | Politics, geopolitics, select entertainment markets |
| Famous call | The 2025 papal conclave |
Who is Domer?
Every market has a face. Prediction markets have a pseudonym.
Domer started betting on politics in 2007, in the Intrade era, after years of professional online poker. He went full-time and never went back. When 60 Minutes went looking for the person behind Polymarket's biggest volumes in 2025, they found him: more than $400 million wagered on the platform, nearly $3 million in profit that year alone.
At one point he was the #1 trader on Polymarket by both volume and profit, with over 5,000 markets traded. His conclave win — calling the new Pope while cable news was still speculating — became the clip that introduced prediction markets to a mainstream audience.
He now trades both Polymarket and Kalshi. The venue is a detail. The craft is the story.
What is Domer's trading strategy?
No bots. No cross-venue arbitrage. No secret model. Domer's edge is old-fashioned and brutal: know more than the market, and only trade where that's true.
- Specialize. Politics and geopolitics, plus selected entertainment markets like the Oscars. He avoids markets where he has no informational edge.
- Think in probabilities. The question is never "who wins?" It's "the market says 55%, I say 70% — is that gap real?" That gap is the trade. Our implied probability guide covers the math.
- Out-research everyone. Multi-country news diets, election law, procedural rules. He aims to price information before the market reflects it.
- Fade overreactions. Headlines make prediction markets swing too far. He sells the panic and buys the dip when the move exceeds the news.
- Size by edge. Bigger mispricing, bigger position. High-conviction positions get real size; marginal ones stay small.
- Change his mind. His public trade history shows early exits the moment new information kills the thesis.
That list is a strategy anyone can copy and almost nobody can execute. The discipline is the moat.
How much money has Domer made?
The numbers that are public: nearly $3 million in profit in his best recent year, per 60 Minutes. Roughly $4 million in career prediction-market profits across Polymarket and Kalshi, per his own 2026 interview. The New York Times reported $2.6 million on Polymarket since January 2022.
Real money. And still not the top of the all-time leaderboard — which is the most interesting thing about him.
Why isn't Domer #1 on the Polymarket leaderboard?
Open the leaderboard today and the all-time board is led by names like swisstony, Theo4, and Fredi9999 — accounts that made eight figures on concentrated positions, most famously the French trader Théo's roughly $85 million on the 2024 U.S. election.
Domer plays a different game. Thousands of positions, sized by edge, compounding for nearly two decades. One is a lottery ticket that hit. The other is a career. If you're deciding whose trades to study, study the career.
Watch both live on our prediction market leaderboard, and watch what the big wallets are doing right now on the whale tracker.
Where can you follow Domer?
He posts as @Domahhhh on X, where 41,000+ followers get his market commentary — and his criticism when resolution disputes go wrong. He's been one of the loudest voices calling out UMA oracle governance on Polymarket. Say what you will: he talks his book in public, with skin in the game.
His Polymarket profile and full position history are public, like every wallet on the platform. If you want to mirror trades like his, read our copy trading guide first — entering after the price moved is the tax every copier pays.
How to trade like Domer
Specialize. Think in probabilities. Size by edge. That part is on you.
The part that's on us: Domer compounds his edge through better information and disciplined execution — and that's exactly what a terminal is for. Real-time data, news, and analytics next to the order book, with one account across Polymarket and Kalshi. The power of an institutional desk, on your laptop.
Study the strategies. Watch the leaderboard. Then trade on Kairos. See you in the order books.