詹姆斯·西蒙斯
量化投資之父、量化之王
Once in a while the phenomena we exploit are particularly present. We like a reasonable amount of volatility. In our business we want some action. “Tumult is usually good for us. We don’t have credit lines of any significance. We don’t do a lot of leveraged-type financing.
We don’t start with models. We start with data. We don’t have any preconceived notions. We look for things that can be replicated thousands of times. A trouble with convergence trading is that you don’t have a time scale. You say that eventually things will come together.Well， when is eventually？