[loganfrederick]

You make a good point about comparing their performance to the index. If the market as a whole is rising, and there are always other people willing to take the opposite position of you (or Goldman), it is conceivable that you could only have one negative day.

If this was during a negative quarter for the market as a whole, that'd be a different story. Like the other poster noted, the likelihood that Goldman would consistently be on the positive side of millions of trades for ninety days is probably pretty slim.