Author: Francis Ikenye Focus: Statistical Arbitrage, Risk Modelling, and Derivatives Pricing.
- Event_Study_US_Defense.ipynb: Tested the Efficient Market Hypothesis (EMH) by analyzing price action in defense stocks (Lockheed, Raytheon) pre/post geopolitical conflicts. Calculated Cumulative Abnormal Returns (CAR).
- Sector_Bubble_Analysis_AI.ipynb: A Monte Carlo engine stress-testing the AI sector. Models "Bubble Burst" scenarios using doubled volatility regimes and fat-tailed distributions.
- Black_Scholes_Pricing.ipynb: Implementation of the Black-Scholes PDE for European Options. Includes dynamic calculation of Greeks (Delta, Gamma, Vega) for hedging simulations.
- Martingale_Test.ipynb: A statistical simulation proving the impossibility of winning a fair game using Martingale betting strategies (Optional Stopping Theorem).
- Stock_Trend_Prediction.ipynb: Comparative analysis of Linear Regression vs. XGBoost for directional forecasting on blue-chip equities.