# Stock Investing Pro > Institutional-grade algorithmic stock diagnostics, cycle-normalized DCF valuation models, and master confluence FA/TA rating indicators. ## Core Features & Methodology - **Algorithmic Fair Value Engine**: Multi-model fundamental valuation integrating Cycle-Normalized DCF, Sector-Specific Relative Multiples (P/E, P/S, EV/EBITDA, P/AFFO), and Margin of Safety thresholds. - **Master Confluence FA/TA Rating**: Combines fundamental conviction levels (60%) with regime-aware technical indicators (40%): 50-day rolling Z-scores, RSI, MACD, Trend Alignment, Volatility Compression. - **Specialized Sector Normalization**: Tailored valuation models for Financials/Banks (ROTCE, NIM), REITs (FFO/AFFO), SaaS (Rule of 40, Calculated Billings), and Cyclicals (Through-Cycle ROIC Normalization). - **Portfolio Health & Concentration**: Herfindahl-Hirschman Index (HHI) concentration metrics, sector allocation analysis, and dividend yield sustainability. ## Key Pages & Resources - [Stock Investing Pro Homepage](https://stockinvestingpro.com/): Main web application and algorithmic portfolio dashboard. - [Methodology & Valuation Guide](https://stockinvestingpro.com/methodology): In-depth scientific overview of DCF modeling and 60/40 FA/TA Master Confluence rating engine. - [Cycle-Normalized DCF Calculator Guide](https://stockinvestingpro.com/guides/dcf-calculator): Complete explanation of Hamada relevered beta, through-cycle ROIC, and terminal value modeling. - [SaaS Rule of 40 Valuation Guide](https://stockinvestingpro.com/guides/saas-rule-of-40): Framework for balancing high revenue growth against free cash flow margins, calculated billings, and deferred revenue backlog. - [Through-Cycle ROIC Analysis Guide](https://stockinvestingpro.com/guides/roic-analysis): Capital allocation assessment, economic moat spread (ROIC - WACC), and REIT AFFO to FFO conversions. - [Market Regimes & Technical Indicators Guide](https://stockinvestingpro.com/guides/market-regimes): Regime classification engine combining 50-day rolling Z-scores across ADX, ATR, and Bollinger Band width. - [Platform Features](https://stockinvestingpro.com/features): Detailed overview of institutional stock diagnostics and portfolio analytics. - [Full LLM Technical Documentation](https://stockinvestingpro.com/llms-full.txt): Deep technical specification of financial algorithms and math models. - [XML Sitemap](https://stockinvestingpro.com/sitemap.xml): Complete list of indexable pages and site structure.