Redstone is a super-fast portfolio analytics and optimization app. You can build portfolios of US stocks and ETFs, see institutional-grade risk metrics on a single dashboard (Sharpe, Sortino, Omega, Calmar, Martin, Alpha, Beta, max drawdown, correlations), and then click optimize to see exactly which weights to change for a higher Sharpe ratio or return.

The part I'm most excited about is that every portfolio is public by default, and the screener lets you filter the entire community database of portfolios. Right now there are ~10 portfolios on the platform. As more get submitted, I'm hoping this becomes a reliable source for finding allocations that are genuinely outperforming, copying them, and making them your own.

Stack: Next.js / React / Drizzle / Massive / Vercel. 600+ US tickers, 5+ years of daily history, daily refresh post-close.

Intentionally narrow: US stocks and ETFs only, no crypto, no mutual funds, no CSV import or API yet.

Free tier: 5 portfolios × 10 assets, 3 optimizer runs, full analytics, no credit card. Plus is $15/mo, Pro $50/mo.

Would love your feedback! Especially from anyone who's used PortfoliosLab and had a similar experience as me. What's missing? What's confusing? What would like to see next?