Merlin vs Overdog

Merlin and Overdog are both filed under Copy Trading and Telegram and 3 more. Both are trading platforms; Merlin is free, Overdog is free to use with a per-trade fee. Below: the facts side by side, where the two actually differ, and when each one is the better pick.

Merlin preview

Trader analytics and copy trading for Polymarket.

Compared with Overdog
Overdog preview
PlatformCopy TradingTelegramSports TradingFree to use, fee per trade

Telegram bot that shows smart-money positioning on every Polymarket event — which side the profitable wallets are on and how much capital backs each outcome — then lets you trade from the same screen.

Compared with Merlin

At a glance

FactMerlinOverdog
TypeTrading platformTrading platform
CategoryCopy TradingCopy Trading
Also listed inTelegram, Sports Trading, Politics & Elections, Crypto MarketsTelegram, Sports Trading, Politics & Elections, Crypto Markets
PricingFreeFree to use, fee per trade
Pricefree · min stake per trade1% per trade
Risk ratingMedium riskMedium risk
MarketsPolitics, Sports, Crypto and 1 moreSports, Politics, Crypto and 1 more
SourceSource not publishedSource not published
Runs in TelegramYesYes
Listed sinceJul 3, 2026Jul 3, 2026

Highlighted rows differ

Key differences

  • Merlin is free (free · min stake per trade); Overdog is free to use with a per-trade fee (1% per trade).

Choose Merlin if…

  • you want to start without paying

Choose Overdog if…

On the published facts there is no clear-cut case either way — it comes down to the product. Read the description below and try Overdog before funding it.

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
How it trades
  • 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 Overdog does

Telegram bot that shows smart-money positioning on every Polymarket event — which side the profitable wallets are on and how much capital backs each outcome — then lets you trade from the same screen. Browse sports and politics, set limits and stop-losses, or copy top traders automatically.

Features
  • Smart-money positioning on every market card
  • Shows capital behind each outcome and whale vs crowd
  • Limit orders and stop-losses in chat
  • Auto copy-trade top traders
  • Built-in wallet, deposit from any chain, zero gas
How it trades
  • Reads on-chain flow to show which side profitable wallets back on each event.
  • Highlights where the crowd diverges from the whales.
  • Lets you trade, set limits and stop-losses from the same screen.

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.