Sentiment-Aware Cryptocurrency Trading Simulator

A full-stack platform integrating live market data, news-derived sentiment analysis, behavioral fear-and-greed indicators, virtual paper trading execution, portfolio analytics, and configurable strategy backtesting. This provides a realistic yet risk-free environment for experimenting with crypto markets.

Key Features

• Live Market Data: Real-time coin prices and historical charts (CoinGecko).
• Sentiment Intelligence: Crypto news analysis and market mood indicators (CryptoPanic).
• Paper Trading: Virtual buy/sell execution with transaction persistence.
• Portfolio Analytics: Track invested capital, unrealized PnL, and historical valuation curves.
• Strategy Backtesting: Test configurations combining sentiment, momentum, and psychology signals against benchmarks.

System Architecture

graph TD
    subgraph Frontend
        Dashboard[Trading Dashboard]
        StrategyLab[Strategy & Backtesting Lab]
        Analytics[Portfolio Analytics]
    end

    subgraph Backend - Node.js
        API[Express API]
        Auth[JWT Authentication]
        Trade[Trade Execution Engine]
        SentimentAnalyzer[Sentiment Analysis Module]
    end

    subgraph Data Stores
        MongoDB[(MongoDB <br> Users, Portfolios, Transactions)]
    end

    subgraph External APIs
        CoinGecko[CoinGecko API <br> Market Data]
        CryptoPanic[CryptoPanic API <br> News]
    end

    Dashboard --> API
    StrategyLab --> API
    Analytics --> API

    API --> Auth
    API --> Trade
    API --> SentimentAnalyzer

    Trade --> MongoDB
    Auth --> MongoDB

    SentimentAnalyzer --> CryptoPanic
    Trade --> CoinGecko

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Screenshots

Tech Stack

• Frontend: React, Chart.js
• Backend: Node.js, Express
• Database: MongoDB (Mongoose)
• Security: JWT Authentication, bcrypt, Express Rate Limit