Thursday, March 18th, 2010

Closing action in the S&P stats

4

Posted by ripetrade at 8:31 pm
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The average overnight S&P move has been 12.8 times larger when the S&P closes in the bottom decile of the days range when compared to a random overnight move. Compared to a random overnight move the average return when the close is below the prior days low is 11.6 times larger. One can use these studies as a building block to develop short term trading edges.

Click on link for performance stats http://ripetrade.blogspot.com/2008/12/closing-action-in-s.html

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Comments

4 Responses to “Closing action in the S&P stats”
  1. Random walk says:

    Sample size?

  2. Anonymous says:

    When the x is a complex function of Y, time to sell. So you saying vol is contracting>

  3. ripetrade says:

    Random,
    The sample size the entire data base for the big S&P contract 6725 trading days tested. Bottom decile days occurred 705 times and days with a close < prior days low occurred 1565 times.

  4. ripetrade says:

    Anonymous,
    In general a close in the S&P that is at or near the low for the day has an overnight bullish bias and a close that is below the prior days low has an overnight bullish bias. A close that is at or near the days high has an overnight bearish bias and a close that is above the prior days high has an overnight bearish bias.

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