The most noteworthy point in triple bottom's judgment is that triple bottom can't be formed on the basis of having three low points, and the "three-needle bottom" pattern can only show that the stock price chart has the embryonic form of triple bottom, and its future development is likely to evolve to triple bottom. As for whether it can be finally built into triple bottom and form a round of rising market, further tests are needed. The confirmation criteria for the establishment of triple bottom are: 1 and the three low points of triple bottom form, which usually take at least 10 ~ 15 trading days. If the time interval is too short, it often means that the market is only in shock consolidation, and the foundation of the bottom form is not solid. Even if triple bottom is formed, its rising space will be limited due to its small shape. The interval between the first and second lows in triple bottom is 9 days recently, and the interval between the second and third lows is 1 1 day, barely reaching the standard. 2. In the three upstrokes of triple bottom, the volume should be gradually enlarged, otherwise it is very likely that the rebound will fail. If the market can't effectively enlarge the trading volume in the two rising markets when building the former double bottom pattern, it will most likely lead to the failure of triple bottom pattern construction. 3. In the last round of rising market of triple bottom, it still failed without the active participation of incremental funds. Therefore, the last rise of triple bottom can only be finally confirmed when it is easy to cross the neckline. The stock price must break through the neckline in order to launch a new round of rebound. In practice, investors can't just see that there are three bottoming actions, or that triple bottom has formed on the surface, but blindly buy on the basis of wishful thinking that it is triple bottom, which is very dangerous. Because, sometimes, even if the morphological structure is completed in the trend, if triple bottom can't finally break through its neckline, it may still fail. Due to the long construction time, the bottom of triple bottom is relatively solid. Therefore, the theoretical increase after breaking the neckline position will be greater than or equal to the distance from the low point to the neckline position. Therefore, investors need to wait patiently for the triple bottom pattern to be fully constructed, and it is the best time to open positions after the stock price successfully breaks through the neckline. There is no need to intervene prematurely when there are only three low points and the pattern has not yet been finalized. Although it is possible to get more profits, it is not worth the loss from the perspective of risk-return ratio. Triple bottom's buying and selling opportunity: The best buying opportunity for triple bottom is: 1. Aggressive investors buy when the stock price has a certain trend to break through the neckline and is accompanied by volume. 2. When the stock price has successfully broken through the neckline, it is the time for mature investors to buy. 3. When the stock price has effectively broken through the neckline, it is the buying opportunity for stable investors. Investors need to know the best selling price in triple bottom after correctly grasping the opportunity of triple bottom's intervention to buy stocks. This requires judging the rising strength of triple bottom and calculating the general rising space. The rising strength of triple bottom and triple bottom mainly depends on the following factors: 1. When the stock price rises from the third bottom of triple bottom, can the trading volume continue to increase moderately? 2. At the moment when the stock price breaks through the neckline, whether the trading volume can be rapidly enlarged. 3. The distance from the low point of triple bottom to the neckline. The farther the distance, the stronger the upward attack after the formation of the form. 4. The hovering time of the stock price at the bottom. Usually, the longer the stock price hovers at the bottom, the greater the increase. For example, 600747 Daxian Stock formed three bottoming processes on March 27th, April 9th and April 29th, 2003 respectively. The time span of the three bottoming actions is roughly equal, and the low points of the three bottoming actions are also close, which are 6.23 yuan, 6. 19 yuan and 6.25 yuan respectively, with a difference of only 0.06 yuan, which fully meets the basic technical requirements of triple bottom. In mid-May, Daxian stock broke through triple bottom's neckline position. Since then, the stock has risen strongly against the trend. During the period when the stock index fell by more than 100, the stock actually rose by more than 30%. KDJ indicator is a technical indicator, which is often used to judge the market. Its advantage is that it is sensitive to future price changes, especially in weekly and daily charts, which can often give clear access opportunities. Generally speaking, the gold cross means buying, and the dead fork means short selling. But no indicator is everything. On the other hand, the sensitivity of KDJ index is its deficiency. The signal of gold cross may often make investors buy goods too early, and the signal of death cross may make investors ship short too early. These two phenomena are also called low passivation and high passivation of KDJ indicator. It is very important to understand the passivation phenomenon of KDJ index for the volatile futures market. In order to use KDJ index correctly, it is necessary to meet the following conditions: futures prices move in a certain range of boxes. In this case, cross-buying low gold and cross-selling high gold has a relatively high accuracy. When KDJ indicator is passivated, it can be identified by the following methods: 1, amplification method. Because KDJ indicators are very sensitive, they often give some miscellaneous information, which is easy to mislead investors, thinking that they will generate buying signals or shipping signals, and make mistakes accordingly. If we amplify it by one level to confirm the reliability of this signal, it will have a good effect. If the low-level gold fork of KDJ indicator is generated on the daily K-line chart, it can be enlarged to the weekly chart. If there is also a golden cross in the low position of the weekly chart, it is considered that the signal is reliable and can be operated boldly. If the weekly chart shows that it is on the way down, then the gold fork on the daily chart is not reliable and may be the main cheating means. At this time, we can take a wait-and-see approach. 2. Morphological methods. Because of the sensitivity of KDJ index, the index it gives is often ahead, so we can help find out the correct trading point by observing the shape of KDJ index. The KDJ index will be restocked when it forms W-bottom, triple bottom and head-shoulder bottom at a low level; In a strong market, when the KDJ indicator forms M-head and head-shoulder top at a high level, the signal reliability of shipment will be enhanced. It is particularly important to note that KDJ, like RSI, has high accuracy for the back pressure line formed after the shock. 3. Wave counting method. The combination of KDJ index and wave counting is a very effective method. On the K-line chart, one wave, three waves and five waves in the rising pattern can often be clearly distinguished. On the K-line chart, futures prices stopped at the bottom of the market and began to rise. Usually, when the first wave rises, the KDJ indicator will signal cross-shipment. At this time, you can pay less attention to this selling signal, because it is likely to be a wrong signal or a cheating signal. When the futures price moves to the third wave, pay more attention to the short signal. When the futures price runs to the obvious fifth sub-wave, if the KDJ indicator gives a selling signal, resolutely ship it. At this time, the signal given by KDJ indicator is usually a very accurate signal. When the futures price has just finished rising and started to fall, the buying signal of KDJ indicator is less considered in the first wave of decline, and the buying signal of KDJ indicator is only considered in the third wave of futures price or The 5th Wave decline, especially after five waves of decline. 4. Trend line method. When futures prices enter a very strong market or a very weak market, futures prices will form a unilateral upward trend and a unilateral downward trend; In the unilateral downward trend, in order to effectively solve the problem of KDJ passivation, a downward trend line can be added to the K-line chart. Before the futures price breaks through the downtrend line, any buying signal sent by KDJ will not be considered. Only after the futures price breaks through the downtrend line will the buying signal of KDJ indicator be considered. In the unilateral upward trend, the market trend is extremely strong, and the futures price often sends a selling signal at a high level. According to this signal, the operator will lose a large section of the market, or an upward trend line can be added to the daily K-line. Before the futures price breaks through the upward trend line, the selling signal given by KDJ indicator will not be considered. Once the futures price breaks through the upward trend line, the selling signal given by KDJ will be resolutely implemented and will never be soft. The failure of KDJ indicators often occurs in very strong markets or very weak markets, unilaterally rising markets and unilaterally falling markets. At this time, KDJ must be passivated at a high level and passivated at a low level. At this time, it will be cross-purchased according to gold and cross-shipped according to death. It will happen that the market has just started and the KDJ indicator sends a sell signal at a high level. If you follow the signal, you will lose a main rising wave market; The market has just fallen, and KDJ issued a gold fork in the low position. If the stock is purchased, it will be locked up and the price loss will be very large, because the KDJ indicator can be passivated and then passivated at a low level, and the futures price will continue to fall, causing misunderstandings to investors.