Institutional-Grade Stock Analysis — Completely Free
The same frameworks used by hedge funds, research desks, and Warren Buffett — now available to every trader and investor in India & USA.
🎯 Decide Engine — One-Click Decisions
Trader Mode: ADX trend regime, IV×Direction strategy matrix (9 options strategies), specific strike/premium/Greeks selection, adaptive ATR stops (1.0×–2.5× based on VIX), OI change tracking (smart money flow), IV term structure (contango/backwardation), event calendar, and position sizing at 3 capital levels. Investor Mode: Piotroski F-Score (9 tests), Altman Z-Score, DuPont decomposition, 6 intrinsic value models (Graham, EPV-CAPM, Multi-Stage DCF, FCF-DCF, Relative PE, Analyst), Monte Carlo simulation (5,000 scenarios), competitive moat classification (6 types), management quality scoring, and Kelly Criterion position sizing.
🏦 Warren Buffett Framework
Owner Earnings Yield (Buffett's preferred metric), Return on Retained Capital, profit CAGR, margin trend analysis (pricing power), 10-year future price projection, debt payback period, moat type classification (brand/network/switching cost/cost advantage/intangible assets/efficient scale), moat durability assessment (10-20 year horizon), Circle of Competence business model descriptions for 20+ major companies, and the complete 4-pillar value investing checklist: understand the business, durable competitive advantage, able management, and sensible price with margin of safety.
📈 Data Sources & Coverage
India: NSE live data, Moneycontrol, Screener.in — Nifty 500 coverage (230+ stocks). USA: Yahoo Finance, Google Finance — S&P 500 coverage (100+ stocks). Live data includes price, volume, OI chain, PCR, VIX, FII/DII flows, promoter holding, quarterly results, and analyst targets. When primary sources fail, automatic rescue from alternative sources ensures you never see blank data.
🚀 Batch Scanners — Find the Best Today
Top Trades Today: Scans 62+ instruments through the full Decide Engine with 8 parallel workers. Ranks by conviction. Categories: Gut Picks, Bullish Setups, Bearish Setups, Best R:R, IV Cheap, IV Rich. Top Investments: Scans Nifty 500 (230 stocks) in 2 phases — quick filter then full Piotroski + DCF + Monte Carlo on top 60 candidates. Auto-categorizes into Large/Mid/Small Cap, Undervalued Gems, Highest Quality, Value Plays, Growth Engines, Safe Havens, Dividend Champions, and Sector Best — all from real data, not curated lists.
⚠️ Risk Intelligence
Altman Z-Score for bankruptcy risk, DuPont decomposition to reveal if high ROE comes from operations or dangerous leverage, Piotroski F-Score to catch deteriorating fundamentals, earnings consistency tracking (10-year coefficient of variation), and dynamic margin of safety that widens during high-VIX regimes and for cyclical sectors. The engine adapts every parameter to live market conditions — wider stops in volatile markets, tighter in trending, more conservative Kelly sizing during uncertainty.
💡 Why Celesys AI?
Bloomberg Terminal costs $25,000/year. Morningstar Premium costs $199/year. Even basic screeners require subscriptions. Celesys AI delivers the same institutional frameworks — Piotroski, Altman, DuPont, Graham, DCF, Kelly — completely free, with no signup required. The Decide Engine alone replaces what traders pay ₹5,000-50,000/month for in advisory services. Whether you are a beginner learning what PE ratio means or a professional looking for strike-level options recommendations, everything is here in one platform.