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Nhiều nhà phân tích kỹ thuật sẽ nói rằng giá cả là "vua". Mọi thứ đều hạ xuống đi về giá cả, và giá là chỉ tiêu quan trọng nhất. Những nhà giao dịch có kinh nghiệm biết rằng nhiều chỉ tiêu kỹ thuật đơn giản là giá đã được quản lý. | Trading the Indicators Be Your Own Analyst Understanding Volume Trading the Indicators Be Your Own Analyst Understanding Volumeby Kira McCaffrey Brecht Many technical traders will tell you that price is king. Everything comes down to price and price is the most important indicator in and of itself. Experienced traders know that many technical indicators are simply price massaged oiled and spit out into a fancy blue or red line at the bottom of one s chart. But volume is a completely different animal. While you d have to travel far and wide before you d chance upon a trader who would say that volume readings are more important than price they are useful and significant raw data readings that measure the amount of action and psychology of the market players. Volume of course simply is the measure of the number of shares of Intel or Qualcomm or any stock traded during a day. In the futures arena volume measures how many corn contracts or S P E-minis changed hands that session. For those who are trading on an intraday basis 5-minute volume bars can be found or for traders more comfortable with a longer-term view weekly or monthly volume data can be called up just as easily. Newton s Law Remember back to high school physics. Newton s first law of motion reflects the concept underlying volume analysis in the financial markets. This law says that an object in motion will stay in motion unless acted upon by an unbalanced force. Thus many technical traders call volume the fuel behind a market move. Is the gas tank full and providing powerful momentum for that Porsche speeding down the Autobahn Or is the gas tank nearing empty which means the engine is likely sputtering and the driving machine is slowing and limping toward the shoulder of the road For a trader who is looking to put on a stock trade from the long side knowing how much gas is likely left in the tank is an important variable. After all how many smart drivers set off for a long trip with only a gallon of gas .
