The Journey
Most posts here are ad hoc: what I learned building with AI that week, some philosophy, a writing lesson, something I came across.
Subscribe via RSSPosts about Trader-7. Show every post.
My AI Trading System Made $127. Then It Blocked Its Best Trade Ever.
System made +$127, then blocked 88% confidence signal because a paper balance was hardcoded to $2K.
I Built a Filter to Avoid Losers. It Was Blocking My Best Trades.
Found my AI trading system was blocking its best trades. The fix: removed a filter built on bad data.
The Bug That Blocked Our Trading System for 30 Hours - And the Feature We Deliberately Didnt Build
My AI trading system went through a regime flip, lost $62, got stuck for 30+ hours, and taught me the most important lesson: the best code you write is the code you decide not to write.
First 8 Hours: What the Data Says
Watched my crypto trading agent for 8 hours after 4 structural changes. Zero trades executed, ~31 profit, validator blocked a bad trade.
4 Sprints in One Day: What I Learned
Four sprints in one day on my crypto trading agent — model upgrade bugs, context expansion, stale prompt fix, and a correlation cap that would have saved $63.
I Built an Emergency Brake for My Trading Bot. It Never Fired. Here's Why.
My trading bot had an emergency brake. It ran for 88 trades. It never fired once. Not because it wasn't needed — because two bugs silently disabled it.
When Your Trading Bot Loses $97 in 3 Hours — And How We Fixed It
My AI trading system was right about the market — detected the regime flip perfectly. Still lost $97 in 3 hours. Here's what I learned about pacing and portfolio-level risk.
Trader-7: +10% in 80 Hours, Critical Bug Fix & Late-Entry Pattern Discovery
February 2026 performance report: +9.98% return, discovered critical order_mgr bug that broke regime protection, found late-entry pattern causing 77% of losses.
The First Trade That Proved the System Works
26 hours of autonomous trading. The most important thing the system did was nothing. First complete trailing stop lifecycle, regime watchdog restraint, and the quiet validation of four sprints.
When Safety Features Attack: How Four Independent Safeguards Created Total Trading Paralysis
Four independent safety features in my AI trading bot were fighting each other — causing complete trading paralysis. Here's the architectural fix.
The Crypto "Hedge" That Fails Exactly When You Need It
I spent a day investigating funding rate arbitrage for Trader-7. Three independent analyses later, the answer was unanimous: No. And the reason is more interesting than you'd expect.
The Numbers That Matter
The Numbers That Matter Let me start with the headline: +10.9% return in 8 days during a market that saw Bitcoin crash over 16%. If that sounds too good to b...
Crypto Trader Update - The Disposition Effect, In Code
The Disposition Effect, In Code There's a well-documented cognitive bias in trading called the disposition effect: the tendency to hold winning positions too...
30 Days Without a Single Trade
30 Days Without a Single Trade In early January, our LLM-powered crypto trading system hadn't executed a trade in over a month. Signals were being generated....
The Quiet Confidence of Not Losing Money
No News is Good News: 34 Hours of Trading Bot Discipline December 30, 2025 | Build in Public Update --- The Quiet Confidence of Not Losing Money Over the pas...
Redesigning Trading Bot From Single-LLM to Multi-Agent Architecture
Redesigning Trader-7: From Single-LLM to Multi-Agent Architecture December 25, 2025 | AI Trading Systems · Architecture · Build in Public --- The Landscape H...
The Three-Day Bug Hunt: How a Simple String Replace Broke Everything
The Three-Day Bug Hunt: How a Simple String Replace Broke Everything December 15, 2025 Sometimes the most frustrating bugs are the ones that seem obvious in ...
The Invisible Bugs That Stole My Trades (And How I Found Them)
The Invisible Bugs That Stole My Trades (And How I Found Them) December 13, 2025 --- For three days, my AI trading system was generating excellent trade setu...
From Missed Profits to Data-Driven Precision: How I'm Building my Trading Bot's Entry Timing System
From Missed Profits to Data-Driven Precision: How We're Building Trader-7's Entry Timing System Date: December 13, 2025 Author: Jamie Watters Series: Buildin...