Engineering & Trading Insights
Technical tutorials, algorithmic trading strategies, and real development stories from the ClawDUX team.
REST vs WebSocket: Quantitative Trading API Architecture Comparison
When to use REST APIs vs WebSocket connections in trading systems. Latency benchmarks, resource usage, and architecture patterns for different trading frequencies.
Build a Telegram Trading Signal Push Bot with Python
Create a Telegram bot that sends real-time trading signals, portfolio alerts, and P&L updates. Includes message formatting, rate limiting, and error handling.
Polygon.io API: Real-Time US Stock Data Ingestion and Cleaning in Python
Connect to Polygon.io for institutional-grade US equity data. Covers REST polling, WebSocket streaming, data normalization, and handling market hours edge cases.
Build a Stock Factor Backtest Framework with yfinance and pandas
Create a complete factor-based backtesting system using yfinance for data and pandas for computation. Covers momentum, value, and quality factors with portfolio construction.
Python asyncio for High-Frequency Trading Data Collection
Use asyncio to build a concurrent data collection pipeline that ingests tick-level data from multiple exchanges simultaneously without blocking.
CCXT Unified API: Connect to 50+ Crypto Exchanges with One Python Library
A practical guide to using ccxt for unified exchange access. Covers authentication, order placement, balance queries, and OHLCV data fetching across Binance, Coinbase, Kraken, and more.
Binance API Signature Authentication and Secure Key Management
Complete guide to Binance API HMAC-SHA256 signing, IP whitelisting, and secure credential storage. Avoid the most common security mistakes in trading bots.
WebSocket Reconnection Best Practices for Quantitative Trading Data Streams
Production patterns for handling WebSocket disconnections in trading systems. Heartbeat monitoring, exponential backoff, state recovery, and message queue buffering.
How to Build a Lightweight Crypto Real-Time Price Scraping Script in Python
Build a minimal Python script that streams real-time crypto prices from multiple exchanges using ccxt and WebSockets. Under 100 lines of production-ready code.
Coinbase API Rate Limit and Error Handling: The Elegant Solution
How to handle Coinbase API rate limits, authentication errors, and network failures gracefully in Python. Production-tested retry patterns with exponential backoff.
Python Alpaca API Automated Trading: Complete Backtest Tutorial
Step-by-step guide to connecting Python with the Alpaca API for automated stock trading and backtesting. Includes working code for order execution, position management, and strategy evaluation.