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价格折返率 - Jiage zhefan lv
参见: 道氏理论, Dow Theory, Gann, 技术分析, Technical Analysis
市场价格波动的折返百分比，被技术分析师用于决定价格目标。市场的回落走势通常按33%、50%和67%等可预测的百分比折返。在道氏理论中，最低和最高的折返率分别为33%和67%。加恩认为，50%的折返率最为重要。费波纳契数序换算成的折返率为61.8%、38%和50%。
Retracement
Percentage retracements of market price movements are used by technical analysts to determine price objectives. Markets usually retrace previous moves by predictable percentages such as 33, 50 and 67. The 33 and 67 percent retracements are the minimum and maximum retracements in Dow theory. The 50 percent retracement is the most important according to Gann. The Fibonacci number sequence refines these numbers to produce retracements of 61.8 percent and 38 percent and 50 percent.
