Yes, almost without exception.
There does seem to be a certain type of instrument preference, however. It mostly comes down to the compare and contrast of the "gleaner" and "warrior" roles that could be assigned to an individual.
Probably, the general hiring rule applies whereby if you have equally qualified candidates go with the female. She has gotten to the short list by doing more to get to the list.
Trading is not rocket science. Over a 10 year period and 100% sample it is no contest from the learning perspective. There is a direct correlation with mathematics aptitude testing as well.
Two ther sample data sets are relevant: Myers Briggs for Western cultures and doshas for Eastern cultures. On ET anyone can evaluate postings of people to get these data set classifications straight. Use the indirect means, meaning sort by the "failings" in in categorical characteristics.
For example, for vata use anxiety; for pitta use anger, and for kapha use fear. A quick reference is DC's PH and pay particular attention to imbalance on pages 77 to 84.