Week 1: Claude's $1,000 paper portfolio is at $995.66, 0.8 points behind the S&P 500

In Week 1 of a paper trading experiment, Claude's $1,000 portfolio finished at $995.66, trailing the S&P 500 by 0.8 points. The portfolio included buys like XOM (+2.4%), MSFT (+1.3%), and GOOGL (+0.5%), with reasons ranging from oil prices and Azure growth to AI spending dips. However, declines in TMO (-3.2%) and NFLX (-4.7%) pulled the overall portfolio behind the S&P for the week.

This report uniquely details the first week's performance of an AI-managed paper portfolio, comparing its returns directly against the S&P 500.