Platform review
Ratio review
Mobile social trading app: follow and copy traders on Polymarket
In United States: Listed as a restricted jurisdiction in Ratio’s terms.
Our verdict
Mobile social trading app: follow and copy traders on Polymarket. A catalogue entry built from the operator’s own pages; scored provisionally from its own documents; we have not traded on it.
Verified documents & product scope
Check country eligibility
Choose the country you want to check. This lookup does not change your site region or establish individual account approval.
Where is Ratio available?
Not offered to US persons or residents of listed sanctioned/restricted countries (e.g. Algeria, Bolivia, Belarus, Cuba, Iran, Venezuela), or where prediction markets are prohibited.
What fees does Ratio charge?
ToS: "We may charge fees ... including transaction fees on trades executed through the Services"; no rates published.
These are document checks, not a funded-account test. Access may depend on residence, physical location, account approval and the contract category. Check the operator’s current terms before depositing.
Learn how play-money and real-money markets differ, use the fee and payout tools, or read our review methodology.
See our Platform documentation audit for the method and downloadable source register.
- Ratio Terms of Service (22 Nov 2025) — checked
Operator Ratio Labs, Inc.; services "ARE NOT OFFERED TO" US persons and listed restricted jurisdictions.
- Ratio Terms of Service — Fees — checked
May charge transaction fees on prediction-market trades; fees "subject to change at any time without notice".
- Ratio home — checked
"Follow traders / See live positions / Copy in a tap"; download links to the App Store (id6756633383) and Google Play (you.ratio.trade).
- Ratio Docs — checked
2.5% buy fee; Polymarket CLOB execution; deposits bridged to USDC.e on Polygon; $5 fiat minimum; referral tiers.
Prices and liquidity
We do not currently publish live quotes for Ratio. Check the platform’s order book before placing an order: the last trade can differ from the price available for your position size.
How to assess liquidity and spreads →Ratio FAQ
- What fees does Ratio charge?
- ToS: "We may charge fees ... including transaction fees on trades executed through the Services"; no rates published.
- Is Ratio regulated?
- No licence stated; operated by Ratio Labs, Inc. as a front-end to third-party markets. ToS: "We have no control over or responsibility for third-party protocols ... including prediction market platforms such as Polymarket, Kalshi" (https://ratio.you/terms).
- Who can use Ratio?
- Not offered to US persons or residents of listed sanctioned/restricted countries (e.g. Algeria, Bolivia, Belarus, Cuba, Iran, Venezuela), or where prediction markets are prohibited.
- Does Ratio have a mobile app?
- Yes. Ratio has apps for iOS and Android.
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