Aurora's Insights
The NexusTrade Blog
AI, finance, and the intersection between the two.
How the real platform is built
Two companion essays. Read the trading system first, then the agent that runs on it. Junior to senior, with interactive maps of the live NexusTrade architecture.
August 29, 2026
01 · The platform
How to Design an Algorithmic Trading System: Junior to Senior
System design guide · NexusTrade case study How to Design an Algorithmic Trading System Start with the smallest trading…
Read the platform →
02 · The agent
How to Design an AI Trading Bot: Junior to Senior
AI agent system design · production case study How to Design an AI Trading Bot: Junior to Senior Aurora is the NexusTrad…
Read the agent →
Claude Fable 5 built me a live options strategy. It DESTROYED the market out of sample. Then the government banned it.
$25,000 Public Portfolio Challenge · Episode 10 Claude Fable 5 built me a live options strategy. It DESTROYED the market…
June 14, 2026
Nine days in and my AI increased my portfolio value by over $4,000. Then I panic sold.
$25,000 Public Portfolio Challenge · Episode 9 Nine days in and my AI increased my portfolio value by over $4,000. Then…
May 15, 2026
I'm up $2,546 in one week because I trusted an AI with my portfolio.
$25,000 Public Portfolio Challenge · Episode 8 · Week 1 recap I'm up $2,546 in one week because I trusted an AI with my…
May 11, 2026
My AI bought a stock it shouldn't have. Then I couldn't get rid of it.
$25,000 Public Portfolio Challenge · Episode 7 · Day 2 My AI bought a stock it shouldn't have. Then I couldn't get rid o…
May 7, 2026
Day 1 of trading $25,000 with AI. The strategy was the easy part.
$25,000 Public Portfolio Challenge · Episode 6 · Day 1 AVGO showed -$2,000 fifteen seconds in. Then GOOG wouldn't fill.…
May 5, 2026
An AI built this trade. An AI is watching it. Tuesday at 9:30 ET, $25,000 finds out if any of it works.
$25,000 Public Portfolio Challenge · Episode 5 An AI built this trade. An AI is watching it. Tuesday at 9:30 ET, $25,000…
May 5, 2026
I used to be a better software engineer than AI. Claude Opus 4.7 changed that.
NexusTrade · Infrastructure · April 2026 I used to be a better software engineer than AI. Claude Opus 4.7 changed that.…
April 21, 2026
Deployment: From Paper Trading to Going Live — Algorithmic Trading Fundamentals
Algorithmic Trading Fundamentals · Module 6 of 6 Deployment: from paper trading to going live. You've built the strategy…
April 16, 2026
The Professional's Edge: Backtesting, Optimization & Deployment — Algorithmic Trading Fundamentals
Algorithmic Trading Fundamentals · Module 5 of 6 The professional's edge: backtesting, optimization, and going live. You…
April 16, 2026