I think were talking about 2 different things. Yes, technology is important - but these aren't simple systems - nor are they open source. In the trading world,

I think were talking about 2 different things. Yes, technology is important - but these aren't simple systems - nor are they open source. In the trading world, as an employer you are disincentived to give the keys to your model - aka your secret sauce - to all your employees. You will reward only a select few who you trust to stay on board, manage the model, continuously improve on it to stay pace with the changing markets. If you give the keys to too many people, eventually they will jump to other shops, copy your ideas and your edge will deteriorate.