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I think you miss my point. Let's say you randomly enter long or short ... based on nothing - just flip a coin.
Can you come up with a strategy to make money under that condition?
I think you will have an easier time doing so if you have a chance to scale out and move your stop up to let the other half of your position run.
I met a trader who was complaining about losing money and was looking for a better entry technique (aren't we all). He took a mentorship with Linda Radsche - who demonstrated that she was able to make money based on random entries (long or short) by using proper money management. She demonstrated that it NOT ABOUT THE ENTRIES ... IT'S ABOUT THE EXITS. |
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Yes its pretty easy to come up with a stratergy to make money on random enteries, try it, it works. If you can do it with a small basket of diverse instrumens you can actually make reasonable and
consistant money. Also I agree with what you say about exits being key, (though of course good entries can help :-) (sorry I did not get that from your original post).
If you scale in and scale out thats fine but to make any sense of what you are doing you must evaluate each part of the trade sperately. For example if you enter with 2 lots and a stop of - 1.5 take half off at +1.5 and trail a stop on the rest -- evaluate this as two seperate trades (that share the same entry criteria) a 1.5 scalp with 1:1 RR and the bigger swing with trailing stop.
You will surely discover they have different characteristics. The 1:1 almost certainly will smooth your equitey curve and often times is actually more profitable than the trailing part. Also if you take say 3 losses with 2 contracts you will need to have 6 wins at the 1:1 target or a win where the trailing portion goes to +7.5 points to get back to where you started. With 5 losses (inevitable with a 50% 60% or even 70% system) things can start to get ugly. Of course each to there own but I prefer to take everything off at 1:1 and have a higher % winners or trail everything if there is good momentum going.
Really the big advantage of the scale out type senario is psychological. The thinking goes once you have 'paid for the trade' you are 'playing for free'. It certainly wont increase your bottom line - either the trailing piece or the fixed peice will be more profitabe. It can be no other way. If you look at your results (real or simulated) you will see this clearly.
Many 'pros' will actually advise scaling in rather than out. (certainly the trend traders). The thinking is that a trade is most at risk early in its life so it is better to take a loss on a small portion of your position. From a maximising profit point of view this is a better propsition. Of course maximum profit is not the only objective. As I mentioned before psychological comfort and or a smooth equity curve may be more important to you. If you dont run the figures how can you know?
My point really is do your own due dilligence - examine your figures (with a simulator if you dont have real data) and really understand what effect changing parameters will have. If you wanna know if coin toss entries work and how they work - try it for yourself - thats the only way you can be sure.
And of course really understand RoR. That really is the key figure for deciding position size. While it is partly true to say that most traders fail due to undercapitilisation or overtrading (trading too big for there account size) imo its because they do not understand the RoR.
Cheers.