The Pubmaa Backtester: An investment simulation tool for passive, international investors
A web app to simulate the historical performance of passive-investment portfolios, with access to a wide range of funds and assets. Works for multiple countries and with multiple currencies.

The Backtester

The Pumbaa Backtester is a tool for simulating the historical performance of investment portfolios. Set your portfolio asset allocation and simulate its performance on historical data. It focuses on passive, long-term, index-based investing.


  • Calculate historical performance in your own local currency, such as US dollar, Euro and Pound Sterling.
  • Build a composite portfolio of assets tracking local and global indices.
  • Simulate the performance of stock indices, bond indices, REITs and others.