Discover Profitable Crypto Arbitrage Opportunities with This Node.js Tool
This cryptocurrency arbitrage calculator helps traders identify price differences across exchanges for over 800 digital assets. The open-source Node.js script compares real-time prices from 50+ trading platforms to highlight potential arbitrage opportunities with profit percentages.
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Key Features
- Multi-exchange analysis: Compares prices across major cryptocurrency markets
- 800+ assets supported: Works with all major coins and tokens
- Real-time calculations: Continuously scans for new arbitrage opportunities
- Customizable settings: Add or remove exchanges through configuration files
How the Arbitrage Calculator Works
The script collects JSON price data from multiple cryptocurrency exchanges, then identifies:
- Highest and lowest prices for each coin
- Potential profit margins between exchanges
- All viable trading pairs for arbitrage
Example analysis for LTC:
- Bittrex: $38.23 (lowest)
- Jubi: $39.78
- CHBTC: $51.80 (highest)
- Profit potential: 35% (51.80/38.23)
Getting Started Guide
System Requirements
- Node.js v8.0.0 or newer (required for ES7 features)
- npm package manager
Installation Steps
- Clone the repository
- Install dependencies:
npm install - Configure markets in
settings.js - Launch application:
npm start - Access via
localhost:3000
Customizing Your Arbitrage Setup
Adding New Exchanges
- Edit the
marketsarray insettings.js - Configure API endpoints and trading pairs
- Restart the application
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Frequently Asked Questions
What is cryptocurrency arbitrage?
Arbitrage involves buying an asset on one exchange where the price is low and simultaneously selling it on another exchange where the price is higher, profiting from the price difference.
How often does the script check for opportunities?
The tool continuously monitors price feeds from connected exchanges, typically updating every few seconds depending on API rate limits.
Can I automate trades with this tool?
While this version focuses on opportunity identification, the roadmap includes trading bot functionality for automated execution.
Are exchange fees factored into calculations?
Future versions (v1.5.5+) will incorporate trading fees into profit calculations.
Development Roadmap
| Version | Features |
|---|---|
| v1.5.0 | Current stable release |
| v1.6.0 | Historical arbitrage opportunity graphs |
| v1.7.0 | User account system for custom markets |
| v2.0.0 | Automated trading bot implementation |
Technical Implementation
The system architecture includes:
- Node.js backend for data processing
- Azure hosting for reliable uptime
- GitHub Pages for the frontend interface
All data flows directly from exchange APIs through the Node.js processor to the web interface.
Contributing to the Project
Developers are welcome to:
- Submit pull requests
- Report issues
- Suggest improvements
The project maintains an active wiki with detailed technical documentation.
License and Usage
This open-source tool is available under the MIT License. Commercial use requires compliance with all exchange API terms of service.