Polymarket vs Manifold Markets: real money vs play money
By TomorrowAlpha Editorial Desk · Published · Updated
Polymarket is a real-money exchange (USDC internationally, USD on Polymarket US) and is blocked in many countries. Manifold Markets runs only on Mana, a play-money currency that cannot be withdrawn as cash, so it is open almost everywhere and anyone can create a market. Polymarket is deeper on big events; Manifold covers far more niche questions.
At a glance
- Polymarket currency
- USDC (intl) / USD (US)
- Manifold currency
- Mana (play money; no cash-out since 28 Mar 2025)
- Market creation
- Polymarket curated · Manifold open to anyone
- Availability
- Polymarket restricted in many countries · Manifold global
Polymarket vs Manifold compared
| Polymarket | Manifold Markets | |
|---|---|---|
| Money | Real (USDC / USD) | Play money (Mana) |
| Cash out | Yes | No — Mana can be donated to charity (M100 ≈ $1) |
| Who creates markets | Polymarket team | Any user |
| Pricing mechanism | Central limit order book | Automated market maker (Maniswap) |
| Resolution | UMA optimistic oracle (intl) / exchange rules (US) | Market creator (with moderation) |
| Access | Geo-restricted in UK, most EU, AU, etc. | Open globally |
Is Manifold as accurate as Polymarket?
On well-traded questions, Manifold's play-money forecasts are often close to real-money prices, consistent with research showing calibration depends more on trader diversity and liquidity than on stakes. On thin niche markets, both can be noisy — check volume and number of traders before reading a price as a probability.
When to use Polymarket vs Manifold
- Polymarket: you want financial exposure on a major event and you live where it is legal.
- Manifold: you want to forecast niche questions, create your own market, practise without risk, or you live in the UK, EU, Switzerland, India or Australia where real-money platforms are blocked.
Frequently asked questions
Is Manifold a real prediction market?
Yes, but with play money. Manifold uses Mana, which cannot be redeemed for cash; its Sweepcash real-money feature ended on 28 March 2025.
Is Manifold legal in the UK and EU?
Manifold is generally accessible worldwide because no real money is staked or withdrawn, which keeps it outside most gambling laws.
Sources
Related guides
Editorial information, not legal or financial advice. Regulations change frequently — last verified 12 Oct 2026.