KimchiBot

How to Build a Crypto Trading Bot with Python: Step-by-Step Guide

Wed, 08 Apr 2026 00:00:00 +0000

A complete beginner’s guide to building a crypto trading bot with Python and ccxt. From zero to a working bot on Binance Futures.

ccxt + Binance Futures: The Complete Python Guide

Tue, 07 Apr 2026 12:00:00 +0000

Everything you need to know about using ccxt with Binance Futures in Python. Connection, orders, positions, stop losses, and all the gotchas.

I Tortured Claude Code Into Building Me a Trading Bot — Here's What Happened

Tue, 07 Apr 2026 00:00:00 +0000

A developer from Korea built 6 crypto trading bots using Claude Code. 4 failed. Here’s the honest story — and a guide so you can build one too.

How to Avoid Overfitting in Trading Bots: A Practical Checklist

Mon, 06 Apr 2026 12:00:00 +0000

Overfitting is the #1 killer of trading bots. Here’s a practical checklist to detect and prevent it, based on real experience.

Why Grid Bots Are a Beautiful Lie

Mon, 06 Apr 2026 00:00:00 +0000

Grid bots look perfect on paper. Buy low, sell high, automatically. Here’s why I killed mine after a week.

Python Trading Bot Architecture: How to Structure Your Code

Sun, 05 Apr 2026 12:00:00 +0000

Most trading bot tutorials show you the strategy but not the structure. Here’s how to organize a production-ready trading bot in Python.

The Backtest Looked Amazing. It Was Lying.

Sun, 05 Apr 2026 00:00:00 +0000

My momentum bot showed incredible returns in backtests. Then I learned about overfitting — the hard way.

10 Trading Bot Mistakes Every Beginner Makes (I Made All of Them)

Sat, 04 Apr 2026 12:00:00 +0000

I’ve built 6 trading bots and made every mistake possible. Here are the 10 most expensive ones so you don’t have to repeat them.

Backtest vs Reality: Where Dreams Go to Die

Sat, 04 Apr 2026 00:00:00 +0000

My bot showed +500U in backtests. Live trading showed +200U. Here’s every gap I found and how I closed them.

Claude Code vs ChatGPT for Building Trading Bots: An Honest Comparison

Fri, 03 Apr 2026 12:00:00 +0000

I’ve used both AI tools to build trading bots. Here’s what each is good at, what each fails at, and which one I actually use.

Building a Trend Following Bot That Actually Works

Fri, 03 Apr 2026 00:00:00 +0000

After killing 4 bots, I built one that survived backtesting, dry runs, and live trading. Here’s the full breakdown.

Stop Loss: The Most Important Feature You'll Get Wrong

Thu, 02 Apr 2026 00:00:00 +0000

I went from market order SL to exchange-side STOP_LIMIT and it changed everything. Here’s every mistake along the way.

How I Pick Coins for My Bot to Trade (Automatically)

Wed, 01 Apr 2026 00:00:00 +0000

My bot doesn’t trade the same coins forever. Every 3 hours, it picks the best ones automatically. Here’s the algorithm.

WebSocket vs REST API: I Deleted 150 Lines and Nothing Broke

Tue, 31 Mar 2026 00:00:00 +0000

I spent weeks building a WebSocket price feed. Then I realized I didn’t need it at all.

Fair Value Gaps: The Strategy That Changed Everything

Mon, 30 Mar 2026 00:00:00 +0000

After trend-following, I built a completely different bot based on Fair Value Gaps. It passed a full year of out-of-sample testing.

The Timezone Bug That Cost Me 9 Hours of Trades

Sun, 29 Mar 2026 00:00:00 +0000

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)

Sat, 28 Mar 2026 00:00:00 +0000

A practical guide to building trading bots with AI. What Claude Code is great at, what it’s terrible at, and how to get the best results.

Risk-Reward Ratio: The Only Number That Matters

Fri, 27 Mar 2026 00:00:00 +0000

Forget win rate. A 35% win rate can make you rich. A 70% win rate can bankrupt you. Here’s the math.

Binance API Gotchas That Will Waste Your Weekend

Thu, 26 Mar 2026 00:00:00 +0000

A collection of Binance Futures API quirks that aren’t in the documentation. Each one cost me hours.

Why I Run Two Bots, Not One

Wed, 25 Mar 2026 00:00:00 +0000

One bot follows trends. The other trades mean reversion. Together, they cover each other’s weaknesses.

The 3 AM Bug: PID Lockfiles and Duplicate Processes

Tue, 24 Mar 2026 00:00:00 +0000

My bot was running twice. Two instances, same account, doubling every order. Here’s how PID lockfiles saved me.

Surge Detection: Catching Explosive Moves Without Giving It All Back

Mon, 23 Mar 2026 00:00:00 +0000

When a trade moves +4% in the first 5 minutes, you need special handling. Here’s my surge detection system.

What Happens When Your Bot Crashes at 3 AM

Sun, 22 Mar 2026 00:00:00 +0000

Your bot will crash. At night. On a weekend. With open positions. Here’s how to make sure it recovers gracefully.

Parameter Optimization Without Fooling Yourself

Sat, 21 Mar 2026 00:00:00 +0000

Grid search found parameters that turned -82U into +343U. Here’s how I made sure it wasn’t just overfitting.

Dry Run: The Step Everyone Skips

Fri, 20 Mar 2026 00:00:00 +0000

Between backtest and live trading, there’s a step most people skip. It’s the step that catches the bugs that matter most.

Leverage: The Double-Edged Sword (Why I Use 3x)

Thu, 19 Mar 2026 00:00:00 +0000

Binance offers up to 125x leverage. I use 3x. Here’s the math behind that boring decision.

About

Mon, 01 Jan 0001 00:00:00 +0000

About KimchiBot

I’m a developer from South Korea building crypto trading bots with Claude Code.

This blog is the honest, unfiltered journal of that process. No fake screenshots, no “3-minute bot” clickbait. Just the real story — failures included.

What I’ve Built

6 trading bots using Python + Claude Code
4 killed (Grid, Momentum, Market Maker, Lead-Lag)
2 running live on Binance Futures with real money

What You’ll Find Here

Strategy breakdowns — how each bot works, explained for beginners
Backtest vs reality — the numbers, honestly
Debugging nightmares — timezone bugs, API quirks, exchange gotchas
Live performance — wins and losses, nothing hidden
Overfitting warnings — how to tell if your strategy is lying to you

Why “KimchiBot”?

“Kimchi premium” is a well-known term in crypto — the price difference between Korean and international exchanges. I’m Korean, I build bots, and I thought it was funny.

Privacy Policy

Mon, 01 Jan 0001 00:00:00 +0000

Last updated: April 9, 2026

Who We Are

KimchiBot (https://kimchibot.com) is a personal blog about algorithmic trading bot development.

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