{"service":"PortfolioRisk","version":"1.0.0","tagline":"Portfolio risk analysis — VaR, Sharpe ratio, correlation matrix, drawdown for a list of tickers.","when_to_call":["Calculate Value-at-Risk (VaR) for a portfolio","Get Sharpe ratio and risk-adjusted return metrics","Check correlation between holdings to assess diversification"],"price":"$0.10 USDC via x402 on Base mainnet","payment":{"protocol":"x402","network":"base-mainnet","asset":"USDC","payTo":"0x52Ab53912D37759B2ad364f22dD06B16714b6C06"},"endpoints":{"/report":"Full report — $0.10 via x402","/health":"Service status"},"returns":{"var_95":"float — 95% VaR as portfolio pct","sharpe_ratio":"float","max_drawdown_pct":"float","volatility_annualized":"float","correlation_matrix":"dict — pairwise correlations"},"example_response":{"var_95":-0.042,"sharpe_ratio":1.23,"max_drawdown_pct":-18.4,"volatility_annualized":0.22},"data_freshness":"Calculated from 90-day historical returns, real-time prices","provider":"LoneStarOracle","catalog":"https://lonestaroracle.xyz","mcp":"https://mcp.lonestaroracle.xyz"}