no kidding, stop losses (and taking profits) can really kill you. What you call pyramiding may just be a shotgun approach. You know you want to get short but not exactly where, so you put it on a little at a time. Sometimes you add to winners, sometimes you add to losers, but you are always mindful that you might be on the wrong side of a trend, and for that you need some kind of stop loss program.Quote from macrotrader:
If the stock follows a random walk in the sense that my scenario doesn't change, pyramiding doesn't make sense, because I can simply risk my initial capital and leave the position unchanged. However, if the probability of an upward move goes down it makes sense to add to the position. As I understand martingale means adding to the position if it goes against you (because the probability of a reversal increases). No infinite wealth required for my approach. I am not sure, but I think Soros reflexivity theory refers to the evolution of the market. As soon as the perception changes and a structural break occurs, a reversal is very unlikely. Which means, if you stand on the right side, you should increase your position, and if you're on the wrong side get out. The rule let your winners run and cut your losses short only makes sense if one makes assumptions about conditional probabilities. I did a gazillion backtests and not ounce tested pyramiding, because for a statistical trader it doesn't make sense IMO. Same is true for stop-losses, a concept which seems to confuse a lot of people.
otherwise, for every one Soros there are thousands of losers. They don't write books about the losers.
as a matter of fact I'm not a big lottery ticket buyer, but I have bought a few powerballs in my life (no longer now that the price went up to $2.) And they have never interviewed me, yet they have a whole tv show about those that hit the numbers.
Not so sure I would be comfortable doing it the Soros way, not so sure I am that lucky.