Merlin vs Ratio
Merlin and Ratio are both filed under Copy Trading and Sports Trading and 2 more. Both are trading platforms, and both are free. Below: the facts side by side, where the two actually differ, and when each one is the better pick.
Trader analytics and copy trading for Polymarket.
Compared with Ratio
Social prediction-market app for iOS and Android built around copying Polymarket traders.
Compared with MerlinAt a glance
| Fact | Merlin | Ratio |
|---|---|---|
| Type | Trading platform | Trading platform |
| Category | Copy Trading | Copy Trading |
| Also listed in | Telegram, Sports Trading, Politics & Elections, Crypto Markets | Platforms & Tools, Sports Trading, Politics & Elections, Crypto Markets, Sentiment / News |
| Pricing | Free | Free |
| Price | free · min stake per trade | free app |
| Risk rating | Medium risk | Medium risk |
| Markets | Politics, Sports, Crypto and 1 more | All Polymarket markets, Politics, Crypto and 1 more |
| Source | Source not published | Source not published |
| Runs in Telegram | Yes | No |
| Listed since | Jul 3, 2026 | Aug 6, 2026 |
Highlighted rows differ
Key differences
- Merlin runs inside Telegram; Ratio does not.
- Only Merlin is filed under Telegram, and only Ratio is filed under Platforms & Tools and Sentiment / News.
Choose Merlin if…
- you want it inside Telegram
- your focus is Telegram
Choose Ratio if…
- your focus is Platforms & Tools and Sentiment / News
What Merlin does
Trader analytics and copy trading for Polymarket. Ranks top traders on public on-chain performance — P&L, win rate, ROI and volume — with specialization profiles by sector, then lets you mirror them through a Telegram bot. Merlin never custodies funds; trades execute on Polymarket.
Features- Leaderboards ranked by P&L, win rate, ROI and volume
- Trader specialization profiles by sector
- Copy trading via Telegram bot
- Public on-chain performance data
- Non-custodial — trades run on Polymarket
- Reconstructs each trader's performance from public on-chain data.
- Ranks and profiles traders by sector and risk-adjusted return.
- Lets you mirror top performers through a Telegram bot.
What Ratio does
Social prediction-market app for iOS and Android built around copying Polymarket traders. Browse markets, follow forecasters from a global leaderboard, mirror their positions with your own sizing, and read the reasoning they post next to each trade. Wallet tracking, alerts and portfolio analytics sit alongside the feed. The wallet is self-custodial — you hold the keys and can export them — and every trade settles on Polymarket itself, not on Ratio's infrastructure.
Features- Copy trading — pick a trader, set sizing, mirror their positions automatically
- Global leaderboard and XP rank badges for ranking forecasters
- Social feed where traders post reasoning and analysis with their trades
- Public wallet tracking with push alerts on new activity
- Portfolio tracking with performance and accuracy metrics
- Ranks Polymarket forecasters on a public leaderboard by realised performance.
- Mirrors a chosen trader's entries at your own position size rather than theirs.
- Pairs each copied trade with the author's written rationale in the feed.
More head-to-heads
Every fact on this page is taken from the two listings as their authors publish them; POLBOTS verifies neither performance nor claims and has no stake in either tool. Nothing here is financial advice.