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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Fibonacci retracement ： ウィキペディア英語版 Fibonacci retracement In finance, Fibonacci retracement is a method of technical analysis for determining support and resistance levels. They are named after their use of the Fibonacci sequence. Fibonacci retracement is based on the idea that markets will retrace a predictable portion of a move, after which they will continue to move in the original direction. The appearance of retracement can be ascribed to ordinary price volatility as described by Burton Malkiel, a Princeton economist in his book ''A Random Walk Down Wall Street'', who found no reliable predictions in technical analysis methods taken as a whole. Malkiel argues that asset prices typically exhibit signs of random walk and that one cannot consistently outperform market averages. Fibonacci retracement is created by taking two extreme points on a chart and dividing the vertical distance by the key Fibonacci ratios. 0.0% is considered to be the start of the retracement, while 100.0% is a complete reversal to the original part of the move. Once these levels are identified, horizontal lines are drawn and used to identify possible support and resistance levels. == Fibonacci ratios == Fibonacci ratios are mathematical relationships, expressed as ratios, derived from the Fibonacci sequence. The key Fibonacci ratios are 0%, 23.6%, 38.2%, 61.8%, and 100%. :$F\_\; =\; \backslash left(\backslash frac\backslash right)^\; =\; 1\; \backslash ,$ The key Fibonacci ratio of 0.618 is derived by dividing any number in the sequence by the number that immediately follows it. ''For example: 8/13 is approximately 0.6154, and 55/89 is approximately 0.6180.'' :$F\_\; =\; \backslash left(\}\backslash right)^\; \backslash approx\; 0.618034\; \backslash ,$ The 0.382 ratio is found by dividing any number in the sequence by the number that is found two places to the right. ''For example: 34/89 is approximately 0.3820.'' :$F\_\; =\; \backslash left(\}\backslash right)^\; \backslash approx\; 0.381966\; \backslash ,$ The 0.236 ratio is found by dividing any number in the sequence by the number that is three places to the right. ''For example: 55/233 is approximately 0.2361.'' :$F\_\; =\; \backslash left(\}\backslash right)^\; \backslash approx\; 0.236068\; \backslash ,$ The 0 ratio is : :$F\_\; =\; \backslash left(\}\backslash right)^\; =\; 0\; \backslash ,$ 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Fibonacci retracement」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.