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What is polymarket-trading-bot?

quant-alpha-systems/polymarket-trading-bot — explained in plain English

Analysis updated 2026-05-18

23TypeScriptAudience · developerComplexity · 4/5Setup · hard

In one sentence

An automated trading bot for Polymarket that watches live crypto prediction-market prices and places real-money buy/sell orders based on rules you configure.

Mindmap

mindmap
  root((repo))
    What it does
      Watches live prices
      Places automatic orders
      Trades real money
    Tech stack
      TypeScript
      Node.js
      Polygon network
    Use cases
      Automate price bets
      Run configured strategies
      Monitor live positions
    Audience
      Crypto traders
      Developers
    Setup
      Proxy wallet
      Signing key
      Env file

Code map

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filefunction / class

What do people build with it?

USE CASE 1

Automatically trade crypto price predictions on Polymarket around the clock.

USE CASE 2

Run one of two built-in strategies to enter or exit positions based on price and timing rules.

USE CASE 3

Watch a live terminal dashboard of prices, balance, and open positions while the bot runs.

What is it built with?

TypeScriptNode.jsPolygon

How does it compare?

quant-alpha-systems/polymarket-trading-botad3lre/echoaffaan-m/x-algorithm-score
Stars232323
LanguageTypeScriptTypeScriptTypeScript
Setup difficultyhardhardmoderate
Complexity4/54/52/5
Audiencedeveloperdevelopergeneral

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · hard Time to first run · 1h+

Requires a funded Polymarket proxy wallet and a signing key, trades real money on Polygon.

No license information is stated in the README.

So what is it?

PolyPulse is an open-source automated trading bot for Polymarket, a platform where people bet real money on whether prices of cryptocurrencies like Bitcoin, Ethereum, Solana, and XRP will go up or down within a set time window. The bot connects to Polymarket's order book, watches live bid and ask prices every second, and places buy or sell orders automatically based on rules you configure. It works with real money on the Polygon blockchain network, not a simulator. To use it, you need a Polymarket account with a proxy wallet holding USDC (a dollar-pegged cryptocurrency used on Polymarket), and a separate signing key that the bot uses to authorize trades. These credentials go into a local environment file that stays on your computer. You then edit a simple configuration file to pick which coin and time window you want to trade (for example, BTC over 5-minute windows) and how many dollars to risk per trade. The bot includes two trading strategies. The first, called "trade_1," only closes out positions you already hold when certain timing or price conditions are met, and does not open new ones. The second, called "trade_2," handles the full cycle: it enters a position once per market window based on price distance from the midpoint and how far along the time window you are, exits when price targets are hit, and can optionally flip to the opposite side immediately after selling. Both strategies are controlled through numbers in the configuration file. While the bot is running, a live terminal display refreshes every few seconds showing the current bid and ask prices, your wallet balance, whether you hold a position, and whether an order is currently being submitted. The README includes a security note recommending that you start with small trade sizes ($1 to $3) before scaling up, keep your private key out of version control, and use a wallet funded only with the amount you are willing to risk. Node.js version 20.6 or higher is required to run the project.

Copy-paste prompts

Prompt 1
Help me set up a Polymarket proxy wallet and USDC balance to use with this trading bot.
Prompt 2
Walk me through configuring the .env file and picking a coin and time window to trade.
Prompt 3
Explain the difference between the trade_1 and trade_2 strategies in this bot's config.
Prompt 4
Show me how to safely start with small trade sizes before scaling up with this bot.

Frequently asked questions

What is polymarket-trading-bot?

An automated trading bot for Polymarket that watches live crypto prediction-market prices and places real-money buy/sell orders based on rules you configure.

What language is polymarket-trading-bot written in?

Mainly TypeScript. The stack also includes TypeScript, Node.js, Polygon.

What license does polymarket-trading-bot use?

No license information is stated in the README.

How hard is polymarket-trading-bot to set up?

Setup difficulty is rated hard, with roughly 1h+ to a first successful run.

Who is polymarket-trading-bot for?

Mainly developer.

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