Public launches AI-powered brokerage letting users build custom indexes and automate portfolio actions

AI Summary

• →Investing platform Public is launching an AI-powered brokerage that allows users to research, build, and manage portfolios using artificial intelligence.
• →Starting Monday, users can create custom investable indexes by prompting AI with criteria such as P/E ratio thresholds and tariff resistance, with these self-directed ETF-like products carrying a fee of 49 basis points.
• →Public also plans to launch an AI-powered wealth and portfolio manager in early 2026, enabling automated actions such as auto-investing cash, auto-buying dips or selling rallies, and tax-loss harvesting advice.
• →The company noted that when it previously launched an AI research assistant, nearly half of conversations led to a transaction within 24 hours.
• →Public says investment decisions remain self-directed to stay within regulatory guardrails, and the platform is increasingly drawing account transfers from Charles Schwab and Fidelity rather than Robinhood.