In January, the portfolio gained +3,38%. That looks good stand-alone but pretty weak against the +8,1% of my Benchmark (Eurostoxx50 (25%), Eurostoxx small 200 (25%), DAX (30%),MDAX (20%)) for January.
[EDIT: the first version of the post stated +4,14%, that was a mistake as well as the 3,54% from the second version. Somehow my spreadsheet got screwed up]
Looking at all 5 Januaries since I run the portfolio, one can see that a 4% performance difference in January rather seems the rule than the exception: