Stock Portfolio Tracker is a cutting-edge platform designed specifically for long-term investors who value both precision and transparency in their financial management. Boasting an extensive database with over 30 years of historical data, it enables users to monitor a diverse array of assets, including stocks, ETFs, foreign exchange, cryptocurrencies, bonds, and mutual funds, spread across 85 different exchanges and encompassing more than 250,000 holdings. The platform offers sophisticated analytics and ensures effortless synchronization of corporate actions such as dividends and stock splits, thereby providing users with reliable insights. Employing an advanced Money-Weighted Rate of Return (MWRR) methodology, Stock Portfolio Tracker accurately assesses investment performance, capturing the true effects of cash flows over time. Additionally, the platform equips investors with robust tools for performance assessment and portfolio enhancement, allowing them to gain deeper insights into their financial outcomes and maintain a clearer view of their investment portfolios. Ultimately, Stock Portfolio Tracker is an essential resource for anyone looking to optimize their investment strategies and achieve their financial goals.