It seems almost inevitable that the vast majority of noobs will blow out their account when they start trading.
So I was wondering, what happens if you take someone who's a total noob, a little bit irrational, and very emotional, e.g. my girlfriend and as a birthday present give her an account with ?1000 in it. Tell her to have fun, enjoy herself, make money, the sky is the limit.
As I see it, there's a 99% probability that she will blow the account within a week. So what if we were to somehow monitor what she's doing, and always enter our own trades in the opposite direction? Once her ?1000 goes to zero, the other account will have doubled.
In practice of course, it will be much less than double due to commissions + spreads, but could there be some profit?
So in summary, why can't you take a really bad trader and copy their trades, in reverse?