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chúng ta ngắn 1.400 cổ phần của ATVI ở một mức giá 26,70 lúc 1:40 pm và mua 600 cổ phiếu của THQI 54,10 (lưu ý rằng TradeStation không hiển thị tín hiệu đồng thời ở những mảnh đất khác nhau, vì vậy các biểu tượng có thể đảo ngược để hiển thị các tín hiệu dài trong THQI xem Hình 2.5). | 114 5 Geometric Trading 5.3.3 Electro-Optical Engineering This is our favorite rectangle of all time as shown in Figure 5.4. We emphasize the point about not using trend filters for rectangles because stocks tend to move up above rectangles at bottoms and explode down out of rectangles attops refer to Figure 5.2 . Here the rectangle was under the MA50 at the breakout. Figure 5.4. Electro-Optical Engineering Rectangle 5.3.4 Stericycle Figure 5.5 is an example of multiplicity- multiple rectangles and multiple signals all coming together to form a powerful move. SRCL LAST-Daily 03 01 2002 Acme Rectangle 12 1.0 0.3 Acme LX Acme LX Acme LX Acme LX-h I 66.000 65.000 -64.000 63.000 -62.000 61.000 60.000 59.000 58.000 57.000 56.000 55.000 54.000 53.000 11 25 M 4 ligmc 5.5. MullIplh I V 5.4 Double Bottom 115 5.4 Double Bottom Much of the technical analysis literature places geometric patterns into either bullish or bearish categories. For example the double bottom is considered to be a bullish formation. Our stance is that a double bottom is bullish only if it works. The problem with bottoms and tops is that by the time they can be recognized the good trade may have already occurred. If a stock has established a low several bars ago then every bar thereafter approaching that low is a potential double bottom. The question for the trader is How must the price action develop to prove that in fact a double bottom has occurred and how soon can a long trade be entered Ifthe price breaks below the previous low then should the trader go short on that breakdown The answer is that the trader requires a bullish bar pattern to trigger a long entry. When price tests a previous low then that is a possibly bullish Test pattern. Since a Test bar must close near the high ofits range this is the first sign that a double bottom has probably been established and only then can a long entry be considered. The pattern does not have to strictly be a Test pattern but simply a bar that closes near .
