{"service":"LoneStarOracle — PortfolioRisk","description":"Portfolio risk analysis: returns, volatility, correlation, sector exposure, VaR","price":"$0.10 USDC per query (x402)","payment":"x402 enabled","endpoints":{"GET /analyze?tickers=AAPL,MSFT,NVDA":"Equal-weight analysis","GET /analyze?tickers=AAPL,MSFT&weights=0.6,0.4":"Custom weights"},"discovery":{"input_schema":{"tickers":"Comma-separated tickers (max 20)","weights":"Optional comma-separated weights summing to 1.0"},"output_schema":{"portfolio_return_1y":"weighted 1-year return %","portfolio_volatility":"annualized portfolio volatility %","portfolio_beta":"weighted market beta","var_95_1day_pct":"1-day 95% Value at Risk %","avg_correlation":"average pairwise correlation","diversification_score":"0-10 (10=fully diversified)","sector_breakdown":"sector weights %","risk_flags":"concentration and risk warnings","holdings":"per-ticker stats with weight, returns, vol, beta","correlation_pairs":"top correlated pairs"}}}