Starting in Version 0.7 the Simulator allows to generate future asset returns also using Monte-Carlo methods instead of just varying historical returns series by starting month. The methods and the resulting implications are described in this article.

This simulator uses several publicly available historic time series. Here you can find all used data sources and how they have been spliced for use in the simulator.

As of Version 0.3 the Simulator has a new function to optimize different asset allocations with respect to maximal withdrawal rates.

In the new version of the Simulator you can calculate portfolios with US and German equities and bonds.

If other cashflows like future Pensions exist beside the Stock Portfolio, the Safe Withdrawal Rates can be further optimized to take this into account.

Why is the consideration of inflation so important? When considering financial freedom, there is one issue that cannot be ignored, and that is inflation. After all, our financial planning typically extends decades into the future. Anyone in their 50s who is seriously considering FIRE still has an average life expectancy of around 40 years ahead of them and should therefore definitely take into …

The starting point of many considerations about financial freedom is the so-called Trinity Study from 1998. This study states that someone who wants to retire with a broadly diversified stock portfolio can withdraw between 3% and 4% of this portfolio annually despite price fluctuations, without substantially running the risk of going broke