My Backtest Lied to Me. Here's How I Caught It
If your live bot doesn’t match your backtest, your backtest is fiction. Here’s the comparison tool I built and the bugs it caught.
Python
How to Build a Crypto Trading Bot with Python: Step-by-Step Guide
A complete beginner’s guide to building a crypto trading bot with Python and ccxt. From zero to a working bot on Binance Futures.
The ccxt Guide for Binance Futures I Wish I Had Earlier
Everything you need to know about using ccxt with Binance Futures in Python. Connection, orders, positions, stop losses, and all the gotchas.
I Built 6 Trading Bots With Claude Code — Here's What Happened
A developer from Korea built 6 crypto trading bots using Claude Code. 4 failed. Here’s the honest story of building a Claude AI trading bot — and a guide so you can build one too.
Python Trading Bot Architecture: How to Structure Your Code
Most trading bot tutorials show you the strategy but not the structure. Here’s how to organize a production-ready trading bot in Python.
Building a Trend Following Bot That Actually Works
How I built a trend following crypto bot in Python: signal logic, exits, position sizing, and the design choices that came out of killing four earlier strategies.
WebSocket vs REST API: I Deleted 150 Lines and Nothing Broke
I spent weeks building a WebSocket price feed. Then I realized I didn’t need it at all.
The Timezone Bug That Cost Me 9 Hours of Trades
My bot was missing every trade for the first 9 hours of each day. The cause? Mixing UTC and KST in one line of code.
How to Use Claude Code to Build a Trading Bot (Honestly)
A practical guide to building a Claude AI trading bot. What Claude Code is great at, what it’s terrible at, and how to get the best results when building a crypto trading bot with AI.
Binance API Gotchas That Will Waste Your Weekend
A collection of Binance Futures API quirks that aren’t in the documentation. Each one cost me hours.
The 3 AM Bug: PID Lockfiles and Duplicate Processes
My bot was running twice. Two instances, same account, doubling every order. Here’s how PID lockfiles saved me.
What Happens When Your Bot Crashes at 3 AM
Your bot will crash. At night. On a weekend. With open positions. Here’s how to make sure it recovers gracefully.