NANikhil Adithyaninfreecodecamp.org·1d ago · 31 min readHow to Analyze Insider Transactions with Python: A CEO Buying Case StudyWhen a CEO buys shares after their company’s stock has fallen hard, it's tempting to read the purchase as a vote of confidence. The person running the business knows more than the average investor, so00
NANikhil Adithyaninfreecodecamp.org·Jun 24 · 20 min readHow to Find Stock-Specific Moves in the S&P 500 with PythonOn June 12, 2026, SPY closed up 0.54%. EchoStar (SATS) dropped 11%. Lennar (LEN) dropped 4.9%. Most of the other 500 stocks in the index barely moved beyond what SPY’s own gain would predict. That gap00
NANikhil Adithyaninfreecodecamp.org·Jun 18 · 16 min readHow to Analyze Analyst Estimate Ranges with PythonMost financial models use analyst consensus as a single forward-looking input: revenue estimate, EPS estimate, EBITDA estimate, or some version of a forward margin assumption. That works, but it flatt00
NANikhil Adithyaninfreecodecamp.org·Jun 13 · 24 min readGeopolitical Risk Isn't One Thing. I Built a Python Framework to Prove ItOn April 3, 2025, the US announced sweeping tariffs on Chinese imports. SPY dropped 4.8% that day. The next day, it dropped another 6%. Financial news ran the usual headline: markets rattled by geopol00
NANikhil Adithyaninfreecodecamp.org·Jun 7 · 18 min readHow to Choose the Best Stock Market API for FinTech Projects and AI Agents Choosing a stock API looks simple until the project becomes real. At first, you only need a few prices. You send a request, get JSON back, load it into pandas, and move on. But the moment that API sta00