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Thread: Strong and Weak signals

  1. #1

    Strong and Weak signals

    Someone asked me be e-mail how it was possible to follow the GDX/IWM signals if they change overnight.

    I understand that it might look difficult to follow every robot's move.
    I personnally do not follow every single move: I concentrate on the strong signals. I take them quickly and stay in the trade as much as possible.

    Since there are two robots, I believe that traiding the strong signals of both can lead to betetr results than trading all the signals of only one robot.

    I just produced the attached file, that shows all the robot short and long signals, both weak and strong, for IWM and GDX.

    The idea of following a strong signal is to enter on a strong signal only, but follow the trade by looking at the weak signal: if the weak signal changes, then you close the trade. (Be aware that the signal is generated at the close of the indicated date. Hence, you enter at the open of the next day or at the close of the signal day)

    You will also note that most of the buying or selling wave start with a strong signal.
    Finally, I can assure you that a strong signal is built and can be seen in advance - by monitoring the evolution of the LT/ST edges), while a weak signal is almost impossible to see without the robot.

    A new XLE robot will allow us even more flexibility.



    Pascal


    Long_Weak signals.xls

  2. #2
    Pascal, I don't follow the sectors table much, but since the recent market action in the last couple of months was characterized by a strong sector rotation, could we buy with confidence those sectors, that started showing relative strength on MF?

    Thanks a lot.
    Last edited by Andrei; 06-07-2011 at 02:44 PM.

  3. #3

    Strong and Weak Signals

    Pascal,

    A couple of questions in regard to your post above:

    The idea of following a strong signal is to enter on a strong signal only, but follow the trade by looking at the weak signal: if the weak signal changes, then you close the trade. (Be aware that the signal is generated at the close of the indicated date. Hence, you enter at the open of the next day or at the close of the signal day).

    I assume you're referring to the LT/ST edges when you refer to following the strength of a Robot signal. If that is correct, then one is to watch the evolution of the LT/ST edges daily and if those edges begin to weaken, the trader is to take appropriate action, i.e., close the trade, correct? Of course, the question remains how weak the signal needs to turn before initiating a closing trade, but I'll leave that question for the time being.

    Finally, I can assure you that a strong signal is built and can be seen in advance - by monitoring the evolution of the LT/ST edges), while a weak signal is almost impossible to see without the robot.

    If monitoring the evolution of the LT/ST edges can provide an indication of a strong signal, why isn't the reverse true? And this seems to contradict what is said above, i.e., by following the LT/ST edges for weakness, one can gauge when to close a trade.

  4. #4
    Quote Originally Posted by adam ali View Post
    Pascal,

    A couple of questions in regard to your post above:

    The idea of following a strong signal is to enter on a strong signal only, but follow the trade by looking at the weak signal: if the weak signal changes, then you close the trade. (Be aware that the signal is generated at the close of the indicated date. Hence, you enter at the open of the next day or at the close of the signal day).

    I assume you're referring to the LT/ST edges when you refer to following the strength of a Robot signal. If that is correct, then one is to watch the evolution of the LT/ST edges daily and if those edges begin to weaken, the trader is to take appropriate action, i.e., close the trade, correct? Of course, the question remains how weak the signal needs to turn before initiating a closing trade, but I'll leave that question for the time being.

    Finally, I can assure you that a strong signal is built and can be seen in advance - by monitoring the evolution of the LT/ST edges), while a weak signal is almost impossible to see without the robot.

    If monitoring the evolution of the LT/ST edges can provide an indication of a strong signal, why isn't the reverse true? And this seems to contradict what is said above, i.e., by following the LT/ST edges for weakness, one can gauge when to close a trade.


    DO not make things more complex than they are in reality: on the Robot page, you will read "STRONG BUY" for example. This means that the probability for a profitable trade is much higher than usual. So you take the trade.
    The robot will also take the trade. You then stay in the trade until the robot changes the signal and closes the trade.

    Your question related to exiting a trade early when the edges are weakening is entirely linked to your trading strategy. Most of the money is made by "trend following". Trading in and out is against that idea. So I'd monitor the edges to have a feeling when a strong trade is about to come. I'd let the robot take me out.

    If you look at the last two trades of IWM and GDX. Both trades could have been closed at a better price, but they were not. This is OK with me. When we have a signal, we do not know if the signal will take us for a 3 days or a 30 days ride. However, if we do not take the trade, we will no know, and if we exit after a few days because "we monitor the edges" then we might miss the next big move.

    So, I prefer to take the trade and exit "on a wash", but at least I was in the trade in case of a long term trend.

    One example: look at the IWM edges now: they are steadily trending up. We are in oversold and the 20DMF is about to issue a buy signal (tomorrow or in two days). I believe that this will be a strong signal. We know it is coming so let's be ready!

    However, anticipating is not good. You can see that today, the market tried to bounce, but this is a failure (signal is more oversold). So, we might very well go lower tomorrow. However, market makers and GS friends will all move together and will bounce this market with strength when they are ready to do so. We will catch that move!


    Pascal

  5. #5
    Quote Originally Posted by Andrei View Post
    Pascal, I don't follow the sectors table much, but since the recent market action in the last couple of months was characterized by a strong sector rotation, could we buy with confidence those sectors, that started showing relative strength on MF?

    Thanks a lot.
    My backtests have shown that when you buy a sector that just issues a buy signal and if you do so against the market, you will end up on average with a neutral position (the market direction is strong, but your sector's opposite direction is helping you). The best is to buy a sector when yo have a sector buy signal. And the best sectors to buy are those with the worst price RS... until shorts have finished to cover. Then, you need to move to the sectors with strong thrust or best ratings


    Pascal

  6. #6
    Join Date
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    Quote Originally Posted by Pascal View Post
    My backtests have shown that when you buy a sector that just issues a buy signal and if you do so against the market, you will end up on average with a neutral position (the market direction is strong, but your sector's opposite direction is helping you). The best is to buy a sector when yo have a sector buy signal. And the best sectors to buy are those with the worst price RS... until shorts have finished to cover. Then, you need to move to the sectors with strong thrust or best ratings


    Pascal
    Where on the website do we find the sector's relative strength and what constitutes a buy signal or a sell signal for that matter? I know I should already know this. Also, concerning using strong robot signals to buy and using a signal change to sell, if I want to protect a good or satisfactory profit from the original strong buy signal should I then sell when the next buy signal change to a weak buy?
    Steve
    Last edited by slgerritz; 06-07-2011 at 06:49 PM.

  7. #7
    Quote Originally Posted by slgerritz View Post
    Where on the website do we find the sector's relative strength and what constitutes a buy signal or a sell signal for that matter? I know I should already know this. Also, concerning using strong robot signals to buy and using a signal change to sell, if I want to protect a good or satisfactory profit from the original strong buy signal should I then sell when the next buy signal change to a weak buy?
    Steve
    You first vist the filters section and click on the first link that leads to the repository file (more explantions are on the FAQ). Then, when the repository file is open, you click on the sectors sheet.


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    Pascal

  8. #8
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    Quote Originally Posted by slgerritz View Post
    Also, concerning using strong robot signals to buy and using a signal change to sell, if I want to protect a good or satisfactory profit from the original strong buy signal should I then sell when the next buy signal change to a weak buy?
    Steve
    Steve,

    This is part of a discretionary decision that the robot will not make with its current algorithms (second column).
    Pascal has backtested such strategies and you can see that there is not much performance difference, but you increase the number of trades (and costs, commission, stress) by about 20%.
    Based on these results, we decided it was not worthwhile to complicate further the robot signals.
    Again, the robot signals and statistics can be used as a discretionary guide for experienced full-time traders, but for most people, they are the optimal compromise, especially for novice or part-time traders and for people with a full-time job who only trade EOD signals.
    Billy

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  9. #9
    Join Date
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    Quote Originally Posted by Pascal View Post
    You first vist the filters section and click on the first link that leads to the repository file (more explantions are on the FAQ). Then, when the repository file is open, you click on the sectors sheet.


    Attachment 8673Attachment 8674


    Pascal
    I found the sectors spreadsheet. There is no column labeled RS. Is term relative strength or RS synonymous with "Strength Aver Tot EV" ?
    Steve
    Last edited by slgerritz; 06-08-2011 at 02:12 AM.

  10. #10
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    Kalmthout, Belgium
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    Thanks for that profit vs trailing stop overview Billy. Interesting results.

    Is this true for the IWM bot as well as the GDX bot ? I'm asking because if I remember correctly the GDX bot was described as being more of a reversion to mean system then a trend system.

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