Comparison · updated July 2026
Underdog Fantasy vs Polymarket
Underdog Fantasy and Polymarket are two of the most discussed prediction market platforms in the US. Here's a side-by-side look at how they compare on the factors that actually matter for traders.
Underdog Fantasy
Daily fantasy and pick-em products, adjacent to event contracts.
Polymarket
The largest crypto-settled prediction market for global events.
Rating
Underdog Fantasy
4.2
Polymarket
4.3
Best for
Underdog Fantasy
Sports pick-em fans
Polymarket
Deepest liquidity and largest market variety
Regulation
Underdog Fantasy
DFS regulator patchwork
Polymarket
Offshore
US availability
Underdog Fantasy
Available
Polymarket
Restricted
Fees
Underdog Fantasy
Standard DFS rake
Polymarket
0% trading fees
Mobile
Underdog Fantasy
Good
Polymarket
Good
Markets
Underdog Fantasy
Sports
Polymarket
Politics, Sports, Crypto, Economy, Culture, AI, Entertainment, Technology
Payment
Underdog Fantasy
Polymarket
USDC (Polygon)
Founded
Underdog Fantasy
Polymarket
2020
Verdicts
Who wins, category by category
Best for beginners
Underdog Fantasy
Cleaner onboarding and a more polished consumer experience.
Final take
Should you choose Underdog Fantasy or Polymarket?
For US-based traders, Underdog Fantasy is the obvious starting point: Polymarket is not legally available in the United States.