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Data:2009-12-12 2:34
Land supply itself is a rather vague concept, different people have different understanding of the tape in different locations, there should be a different meaning. It is necessary to conduct quantitative research through analysis of a large number of historical data summarized in the establishment of a certain measure, in order to determine the future of broad market trends.
To land supply, of course, is high relative to the market in terms of days. Through statistical indexes in history at a high, low trading volume data, can be found in volume of standards into a pattern. Intermediate to measure whether the decline that bottomed out the criteria are: the bottom of the volume to shrink to the top of the highest turnover of 20%. If the volume is greater than this ratio shows that stock is still down space; the other hand, is expected to hit its bottom. Such as the famous "5.19" market, the most obvious Suliang since built into the bottom, creating a large 17-month bull market. Other times the bottom of the bull market continued to cycle, the degree of Su Liang also can verify that the same rule.
However, the emergence of land supply, just a bottom of the signal, to the bottom of the volume of production is not necessarily an immediate post-began. To the volume of production, the index has three possible operating mode: First, continue to the amount of process in a period of time, continuous operation of the state Su Liang significant change does not occur, even in the event of less than 20 percent of the land supply, the re-emergence smaller in volume. Second, the heavy volume down. Such as mid-October 2003 after the broader market turmoil intensified, the process of closing down to enlarge, and then built into the medium-term bottom. But also from the bottom of the history of the formation of several other laws of perspective, the long-term decline in the last paragraph, there again after the heavy volume to volume down, basically can be certain that the bottom of the signal. Thirdly, heavy volume up
To the amount of rules can also be used to predict whether the adjustment of the end of the bull market, the current adjustment is facing the middle or small level of adjustment of the adjustment. If the volume on the decline, the process can be quickly reduced to less than 30% of the peak, then the adjustment is expected to end, the probability of a larger bull market. Conversely, if the fall in the process of volume can not be effectively shrink, indicating large differences between the market, large main force of inertia in the use of people's psychological substantially lighten up, adjust the rate will increase, the time will be extended
