ETF Overlap Analyzer Calculator

Calculates the degree of overlap between multiple Exchange Traded Funds (ETFs) based on their underlying holdings. The tool requires users to input a list of ETFs, allowing it to compare their constituent stocks and generate a detailed metric showing which securities are held in common across the selected funds. By quantifying this shared exposure, the calculator provides an immediate visualization of how correlated the portfolios of different ETFs might be. Investors who manage diversified investment strategies or those conducting due diligence on asset allocation find this tool particularly useful. It helps users identify potential redundancy within their current portfolio selections, ensuring they are not inadvertently overexposed to a small group of stocks through multiple funds.