If an investor wants to replicate a published trading system, each trade should be entered tactically. Stock Trends portfolios can be emulated on a post-trigger basis, but results will depend on how the trades are executed.
Quantitative trading demands an understanding of the characteristics of a dataset. Evaluating descriptive statistics of category groups is an important first step in helping us assign possible correlation of the Stock Trends indicators to future price performance.
Every stock picking service should provide a detailed analysis of their results. Here's a statistical description of the results of Stock Trends Picks of the Week since the beginning of 2012.
If a stock was in a Bearish () trend last autumn, there's a good chance it did much better in the past three months. Here's a look at the statistical performance of one sample taken then.