ranking.Rmd
If you’ve made it to this page, you’re looking to understand how we assign rankings to each trader to determine a winner. In order to proceed, you should have already read and understood the General Idea behind our scoring philosophy to get an idea of what we’re seeking to do; to wit: reward those traders who make a lot of money, but do so intelligently rather than just getting lucky.
The process described below is performed daily when standings are updated.
For every participaiting trader, every day as soon as new end-of-day NAV values become available, we calculate excess return and Sharpe ratio as described in Sharpe Ratio Calculation.
Let’s suppose that we have 50 traders in the competition and on this particular day we run the query, do the calculations, and end up with the following stats:
The first thing we do is arrange everyone in the table by decreasing excess return. Highest return goes at the top and the lowest goes to the bottom, leaving us with:
Prizes are awarded to the top 5 traders, so we form brackets of 10 traders each (=5*2) based on excess return. That leaves us with the below, where each page of the datatable is a single bracket: