Ansell, Westpac & Metcash · Multi-Stock Regression

Three-stock applied econometrics study across Ansell (ANN-AU, healthcare), Westpac (WBC-ASX, major bank), and Metcash (MTS-AU, staples). Cross-correlation matrix (ANN/WBC 0.27, ANN/MTS 0.17, WBC/MTS 0.25) and two-tailed t-tests at 99% confidence for return-mean differences. Multiple regression against market and sector factors, plus simple-exponential-smoothing forecasts to test signal stability. Closed with a diversification call favouring Metcash + Ansell.