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Week 1 of Anthropic's experiment shows Claude's $1,000 paper portfolio of S&P 500 stocks at $995.66, trailing a buy-and-hold SPY position by 0.80 percentage points after cautious opening buys in XOM, MSFT, GOOGL, TMO and NFLX.
An experiment where the Claude AI agent researches news daily and trades a $1,000 paper portfolio against the S&P 500 over a year, with Day 1 showing a slight gain compared to SPY's loss.
The author shares observations from a paper-trading arena with 10 AI agents trading fake money, discussing design considerations for enforcing spend or position limits when agents interact with real APIs, highlighting limitations of prompt-based checks and advocating for deterministic account-level controls.
A guide on using Claude AI to automate stock trading via the Interactive Brokers API, running on a loop every 30 minutes. It covers setup, installation, and strategy execution for paper trading.