KimchiBot

Engineering notes on building crypto trading bots with Python, ccxt, and AI coding tools. Bug write-ups, exchange API gotchas, strategy post-mortems, and lessons from each one I had to kill.

How I Built a Claude AI Trading Bot for Live Crypto Trading

A walkthrough of how I built a Claude AI trading bot end to end — strategy logic, ccxt integration with Binance Futures, stop loss handling, coin rotation, and the bugs I had to fix along the way.

April 26, 2026 · 8 min · KimchiBot

Building a Working Trading Bot in 1 Hour With Claude Code

I wrote the entry/exit logic of my Claude AI trading bot in about an hour. The strategy itself wasn’t the hard part — the structure around it was. Here’s what I had to build after to make a Claude trading bot survive live data.

April 21, 2026 · 6 min · KimchiBot

17 Days of Live Trading: A Drawdown, a Recovery, and What I Learned

My bot’s first three weeks of live trading were rough. A deep early drawdown forced me to think hard about whether the strategy or the structure was at fault. Here’s what I changed and why.

April 18, 2026 · 5 min · KimchiBot

April 2026 Bot Performance Notes

A breakdown of how the bot performed in April 2026. Trade counts, drawdown, fee load, and what the per-coin and per-day data revealed about the strategy.

April 18, 2026 · 3 min · KimchiBot

I Killed 4 Trading Bots So You Don't Have To

I built 6 trading bots. 4 of them are dead. Grid bot, RSI scalper, momentum bot, lead-lag bot — each died for a different reason. Here’s what killed them.

April 15, 2026 · 6 min · KimchiBot

The Exchange Didn't Close My Position. It Got Worse From There

My bot tried to close a SHORT position. Binance rejected the order. The bot thought it succeeded. The position bled -121U before I woke up.

April 15, 2026 · 4 min · KimchiBot

Some Coins Will Always Kill Your Bot. Here's How I Ban Them

Some coins hit your stop loss on every single FVG trade. I built a filter that bans them automatically. The results were dramatic.

April 12, 2026 · 4 min · KimchiBot

Why Win Rate Is Misleading: A 33% Bot Can Still Have Positive Expectancy

My FVG bot has a win rate around 33%. That sounds bad until you do the expectancy math. Here’s why win rate is one of the most misleading metrics for evaluating a strategy.

April 12, 2026 · 6 min · KimchiBot

One Year of Out-of-Sample Testing: Did the FVG Bot Survive?

I tested my Fair Value Gap bot on 4 quarters of data it had never seen. 3 out of 4 were profitable. Here are the exact numbers.

April 10, 2026 · 5 min · KimchiBot

When Market Close Fails: Exchange API Nightmares at 3 AM

My bot tried to close a position. The exchange said no. Three times. Here’s what happens when market close fails and how to survive it.

April 10, 2026 · 4 min · KimchiBot

The Coin Scanner: How My Bot Picks 8 Coins Every 3 Hours

My bot doesn’t trade fixed coins. Every 3 hours it scans all Binance Futures pairs, filters by volatility, backtests each one, and picks the top 8. Here’s the full algorithm.

April 10, 2026 · 4 min · KimchiBot

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.

April 10, 2026 · 4 min · KimchiBot

Orphan Orders: The Bug That Opens Positions You Didn't Ask For

My bot left a stop loss order on the exchange after closing a position. Hours later, it triggered and opened an unintended trade. Here’s what caused it and how I fixed it.

April 10, 2026 · 4 min · KimchiBot

I Let AI Pick My Trading Strategy — Here's What Happened

I gave Claude Code my trading data, my prior failures, and my constraints, and asked it to suggest a strategy from scratch. Here’s how the experiment was set up and what the results actually told me.

April 10, 2026 · 6 min · KimchiBot

STOP_MARKET vs STOP_LIMIT on Binance Futures: Why Market Stops Are Stealing Your Money

STOP_MARKET is the default stop loss on Binance Futures. It’s also silently eating your profits through slippage. Here’s exactly how much it costs and how to switch to STOP_LIMIT.

April 10, 2026 · 7 min · KimchiBot

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.

April 8, 2026 · 7 min · KimchiBot

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.

April 7, 2026 · 6 min · KimchiBot

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.

April 7, 2026 · 3 min · KimchiBot

Your Trading Bot Is Overfitting. Here's How to Prove It

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

April 6, 2026 · 5 min · KimchiBot

Why Grid Bots Are a Beautiful Lie

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

April 6, 2026 · 3 min · KimchiBot

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.

April 5, 2026 · 7 min · KimchiBot

The Backtest Looked Amazing. It Was Lying.

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

April 5, 2026 · 3 min · KimchiBot

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

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.

April 4, 2026 · 5 min · KimchiBot

Backtest vs Reality: Where Dreams Go to Die

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

April 4, 2026 · 4 min · KimchiBot

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

Claude AI trading bot vs ChatGPT trading bot: an honest comparison after building both. What each AI is good at, what each fails at, and which one I actually use for live trading.

April 3, 2026 · 4 min · KimchiBot

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.

April 3, 2026 · 4 min · KimchiBot

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

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

April 2, 2026 · 4 min · KimchiBot

Stop Trading Random Coins. Here's How My Bot Picks Winners

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

April 1, 2026 · 3 min · KimchiBot

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.

March 31, 2026 · 3 min · KimchiBot

Fair Value Gaps: The Strategy That Changed Everything

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

March 30, 2026 · 4 min · KimchiBot

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.

March 29, 2026 · 3 min · KimchiBot

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.

March 28, 2026 · 5 min · KimchiBot

Risk-Reward Ratio: The Only Number That Matters

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

March 27, 2026 · 3 min · KimchiBot

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.

March 26, 2026 · 5 min · KimchiBot

Why I Run Two Bots, Not One

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

March 25, 2026 · 3 min · KimchiBot

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.

March 24, 2026 · 4 min · KimchiBot

The Trade Went +4% in 5 Minutes. Then It All Disappeared

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

March 23, 2026 · 4 min · KimchiBot

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.

March 22, 2026 · 4 min · KimchiBot

I Optimized My Bot Until It Was Perfect. Then Reality Hit

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

March 21, 2026 · 4 min · KimchiBot

Dry Run: The Step Everyone Skips

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

March 20, 2026 · 3 min · KimchiBot

Binance Offers 125x Leverage. I Use 3x. Here's Why

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

March 19, 2026 · 3 min · KimchiBot