Market Price Tracker

Real-time market price tracking across crypto, stocks, forex, and commodities with institutional-grade data feeds and advanced analytics.

Features

Multi-Asset Support

• Cryptocurrencies: BTC, ETH, and 10,000+ altcoins
• Stocks: US equities, international markets
• Forex: Major and exotic currency pairs
• Commodities: Gold, silver, oil, agricultural products
• Indices: S&P 500, NASDAQ, international indices

Data Sources

• Crypto Exchanges: Binance, Coinbase, Kraken, FTX, Bitfinex
• Stock Data: Alpha Vantage, IEX Cloud, Polygon.io, Yahoo Finance
• Forex Feeds: OANDA, Forex Connect, Currency Layer
• Alternative Data: Messari, CoinGecko, Quandl

Real-Time Capabilities

• WebSocket Streaming: Sub-second price updates
• Multi-Exchange Aggregation: VWAP and median pricing
• Latency Monitoring: Track feed performance
• Automatic Failover: Redundant data sources
• Smart Reconnection: Exponential backoff strategies

Technical Analysis

• Indicators: RSI, MACD, Bollinger Bands, ATR, OBV
• Moving Averages: SMA, EMA, WMA, VWAP
• Pattern Recognition: Head & Shoulders, Triangles, Flags
• Candlestick Patterns: Doji, Hammer, Engulfing, Morning Star
• Market Structure: Support/Resistance, Liquidity Zones

Alert System

• Price Alerts: Above/below thresholds
• Percentage Changes: Volatility spikes
• Volume Alerts: Unusual activity detection
• Pattern Alerts: Chart pattern completion
• Custom Conditions: Complex alert logic

Installation

/plugin install market-price-tracker@claude-code-plugins-plus

FREE Data Sources Configuration

Track all asset classes using 100% free data sources - no Polygon.io, Messari, or premium subscriptions required.

Quick Comparison

Annual Savings: $2,676 with free-tier configuration.

Free Data Source Matrix

Free Configuration Template

{
  "dataSources": {
    "crypto": {
      "primary": "coingecko",      // FREE - 50 req/min
      "fallback": ["binance", "coinbase"],  // FREE - no limits
      "useWebSocket": false         // Use REST API (free tier)
    },
    "stocks": {
      "primary": "yfinance",        // FREE - unlimited
      "fallback": ["alphavantage"],  // FREE - 500 req/day
      "apiKeys": {
        "alphavantage": "YOUR_FREE_KEY"  // Get at alphavantage.co
      }
    },
    "forex": {
      "primary": "currencylayer",   // FREE - 250 req/month
      "apiKeys": {
        "currencylayer": "YOUR_FREE_KEY"  // Get at currencylayer.com
…

Cost Breakdown: Paid vs Free

Paid Approach (Premium APIs)

Monthly Costs:

• Polygon.io (stocks): $49/mo
• Messari Pro (crypto): $99/mo
• OANDA Pro (forex): $25/mo
• Quandl Premium (commodities): $50/mo
• Total: $223/mo → $2,676/year

Free Approach (This Configuration)

Monthly Costs:

• CoinGecko (crypto): $0
• Binance API (crypto): $0
• Yahoo Finance (stocks): $0
• Alpha Vantage (stocks/commodities): $0
• Currency Layer free tier (forex): $0
• Total: $0/mo → $0/year

Savings: $2,676/year

Real Use Case Examples

Crypto Price Tracking (BTC/ETH)

Free Configuration:

// CoinGecko API - FREE
const prices = await fetch(
  'https://api.coingecko.com/api/v3/simple/price?ids=bitcoin,ethereum&vs_currencies=usd'
);

// Result: { bitcoin: { usd: 45000 }, ethereum: { usd: 3000 } }

Cost: $0 (vs Messari Pro $99/mo)

Stock Price Tracking (AAPL, TSLA, MSFT)

Free Configuration:

// Yahoo Finance - FREE (via yfinance Python library or direct API)
import yfinance as yf

tickers = yf.Tickers('AAPL TSLA MSFT')
prices = tickers.tickers['AAPL'].history(period='1d')

Cost: $0 (vs Polygon.io $49/mo)

Forex Pair Tracking (EUR/USD)

Free Configuration:

// Currency Layer free tier - 250 req/month
const response = await fetch(
  `http://api.currencylayer.com/live?access_key=YOUR_FREE_KEY&currencies=EUR,USD`
);

Cost: $0 for 250 req/month (vs OANDA Pro $25/mo for unlimited)

Data Quality Comparison

1-5 minute delay is acceptable for 99% of traders (not HFT/day trading).

Free API Key Setup

Alpha Vantage (Stocks + Commodities)

1. Visit alphavantage.co/support/#api-key
2. Enter email (no credit card)
3. Get API key instantly
4. Limits: 500 calls/day (sufficient for tracking)

Currency Layer (Forex)

1. Visit currencylayer.com/product
2. Sign up for free plan
3. Get API key (no credit card)
4. Limits: 250 calls/month (sufficient for hourly updates)

When Free APIs Are NOT Enough

Use paid APIs if:

• You need <100ms real-time updates (day trading)