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Thread: GDX and IWM Cluster Strengths for June 6, 2011

  1. #21
    Quote Originally Posted by TraderD View Post
    Billy,

    I wonder why simple averaging of signals from all sectors makes sense for the formation of the 20DMF signal. As sectors' aggregate market caps (and consequently, trading volumes) can be very different, wouldn't simple averaging introduce a skew into the 20DMF signal by over-representing the smaller sectors (and vice versa wrt the large sectors)? I'd be naturally inclined to weigh the sectors' signals in proportion to their market caps, but then, how's that different from just combining 1000 stocks' signals with their respective market caps weights?

    Trader D
    From back-testing, it worked better that way: same weight for each sector.


    Pascal

  2. #22
    Quote Originally Posted by adam ali View Post
    I think I may be mixing up timeframes.

    So far as I understand, the Robot page statistics indicate, based on historical data, what the likelihood is for gain/loss over the next 3-day period. The greater the probability of gain, the larger the position size, all other things being equal.

    In conjunction with this shorter timeframe probability, I am to assume so long as the Robot is providing an entry point for that day the trade holds (at least) a 3:1 RR probability with the proviso one enters the trade at the price point given.
    You have two sets of three figures one for long trades and one for short trades). Each set evaluates both the 10D and 3D potential earnings, the R/R and the probabilities. The robot first looks at the LT edges. if it is strong enough it takes the trade. If not, then the robot looks at the short edge. If it finds something -even the slightest edge, - the robot takes the trade.

    When the decision to take the trade is taken, then the robot has to decide on an entry point and on a stop loss. This is where the Multi time frame pivots come with the 1:3 RR ratio. The RR ratio is not a probability. It is the best entry level that will allow you to earn three times more than what you could lose on the trade, based on the pivots analysis only (and on back-tests.)



    Pascal

  3. #23

    Probability / RR

    Thanks, Pascal. Very helpful

  4. #24
    Join Date
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    GDX Buy/Sell Decision

    The current price of GDX as I write is $54.76. This is pretty well below the new entry price of$54.86 and getting close to the original stop of $54.34. I am little uncertain here as to what I should do now. Should I wait until the original stop is triggered and sell all or buy more now and ignore the orginal stop and rely on the new stop? How will either effect my odds?
    Steve

  5. #25
    Quote Originally Posted by slgerritz View Post
    The current price of GDX as I write is $54.76. This is pretty well below the new entry price of$54.86 and getting close to the original stop of $54.34. I am little uncertain here as to what I should do now. Should I wait until the original stop is triggered and sell all or buy more now and ignore the orginal stop and rely on the new stop? How will either effect my odds?
    Steve
    If you took the original GDX trade, your stop loss might execute today and the trade will be a "wash". It is not because you are close to the past entry that the trade dynamics is the same. It is not! The GDX robot is closer to a short than to a long signal. If a short is not triggered at the close, then the oversold situation could trigger a new long opportunity for tomorrow, with new pivots settings. So, you respect the stops and see tomorrow what the robot's stated direction will be.


    Pascal

  6. #26
    Join Date
    Dec 1969
    Location
    Medford, OR USA
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    24
    Quote Originally Posted by Pascal View Post
    If you took the original GDX trade, your stop loss might execute today and the trade will be a "wash". It is not because you are close to the past entry that the trade dynamics is the same. It is not! The GDX robot is closer to a short than to a long signal. If a short is not triggered at the close, then the oversold situation could trigger a new long opportunity for tomorrow, with new pivots settings. So, you respect the stops and see tomorrow what the robot's stated direction will be.


    Pascal
    Thanks Pascal,
    Steve

  7. #27
    Join Date
    Dec 1969
    Location
    Palo Alto, CA (USA)
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    34
    Back on Tuesday last week (May 31) before the latest drop started, I had made my own preliminary calculation of the IWM robot's likely entry price and came up with 84.94. This used the 50MA and SR1 at 85.46.

    Once the robot's numbers were published and showed an entry of 85.10, I scratched my head a bit and found that the robot was using YR1 at 85.68 instead of SR1, leading to a higher entry price even though SR1 is certainly a strong pivot. So I put in my order at 85.13 and, of course, it never got filled. Had I gone to bed and left an order at my presumed entry price, it would have filled and I would be about 20% richer now :-). So of course I have analyzed this case a bit.

    I know the details of the entry/exit price calculations are proprietary, and I know deeply the advantages of testing a consistent methodology as opposed to reacting to one-time events. But I would be interested in any analysis of "why did the robot choose YR1 instead of SR1" if that is possible. I just seemed a bit counter to my expectations, especially that SR1 is such a strong pivot level that should be able to form a resistance level on its own.

    Thanks,

    -Mike
    Last edited by mklein9; 06-06-2011 at 06:23 PM.

  8. #28
    Join Date
    Dec 1969
    Location
    Brussels, Belgium
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    1,999
    Quote Originally Posted by adam ali View Post
    Billy,

    On the Robot page it states:

    These are the probabilities for the combined Long term / Short term settings:

    Today's SHORT settings are NEUTRAL.
    The LT algo found a short edge of -1.25%. This is lower than the -0.75% limit
    The ST algo found a relatively weak negative edge of -1.59%
    The LT edge is more positive than -2%. In the past this combination led to a 3D short LOSS of -0.11% from the previous day's close. The trade became positive after three days in 53.1% of the cases.

    How do these probabilities coincide with the 3:1 risk reward probability you mention above?
    Adam,

    There is zero coincidence. The LT/ST probabilities are computed from historical performance of the various EV strategies under similar conditions and from the last closing price.

    The 3:1 risk-reward ratio is computed from the pivot & floor cluster configuration.
    Billy

  9. #29
    Join Date
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    Debriefing

    IWM refused to explore the first stronger resistance cluster which was marked by the daily pivot (81.10) and missed the robot short entry limit (81.18), by a few cents before falling across most of the weaker first cluster support down to the lower limit support of daily S3 and WS1 ( both 79.43), just above QS1 (79.32). The last hour of trading never touched DS3 and WS1, a sign that market makers might be scaling back in from these levels, opening the way for a bounce on Tuesday. The most probable 3-day short target (79.82) was overshoot in the process, so a very short term low may be in.

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    GDX followed its path of least resistance with conviction, falling through 1 ½ weaker support clusters, ignoring the important Yearly pivot (55.19) along the way. The GDX robot issued a sell signal at the close, based on the GDX MF. The position will be covered at the open on Tuesday and the robot will search for entering a new short position. Billy

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  10. #30
    Quote Originally Posted by Billy View Post
    Nickola,

    I use my proprietary software but you can easily use this excellent online spreadsheet often recommended by Maxime. Many forum members are using it with satisfaction. There may be some very minor differences due to database sources. I use Yahoo Finance data.

    http://bit.ly/hQdjAs
    Billy
    Hi Billy,

    Thanks for the link to this excellent SPY spreadsheet.
    Is there also a link to an IWM spreadsheet ?

    Trev

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