{"id":1150,"date":"2015-05-28T10:01:42","date_gmt":"2015-05-28T02:01:42","guid":{"rendered":"http:\/\/xsblogs.xq.com.tw\/?p=1150"},"modified":"2021-05-11T16:20:01","modified_gmt":"2021-05-11T08:20:01","slug":"%ef%bc%85b%e6%8c%87%e6%a8%99","status":"publish","type":"post","link":"https:\/\/www.xq.com.tw\/xstrader\/%ef%bc%85b%e6%8c%87%e6%a8%99\/","title":{"rendered":"\uff05B\u6307\u6a19"},"content":{"rendered":"<p>%B\u9019\u500b\u6307\u6a19\uff0c\u662f\u5f9e\u4f48\u6797\u503c\u6f14\u5316\u904e\u4f86\u7684\uff0c\u6211\u5011\u8981\u4e86\u89e3%B\u6307\u6a19\u524d\uff0c\u5148\u4f86\u6eab\u7fd2\u4e00\u4e0b\u4f48\u6797\u901a\u9053(BBand)<\/p>\n<pre class=\"brush:xs\">Input: price(numericseries), length(numericsimple), _band(numericsimple);\r\n\r\nBollingerBand = Average(price, length) + _band * StandardDev(price, length, 1);<\/pre>\n<p>\u5f9e\u4e0a\u8ff0\u7684\u7a0b\u5f0f\uff0c\u6211\u5011\u4e86\u89e3\uff0c\u5e03\u6797\u503c\u7684\u4e0a\u4e0b\u5169\u689d\u7dda\u5c31\u662f\u79fb\u52d5\u5e73\u5747\u7dda\u5404\u52a0\u6e1bN\u500b\u6a19\u6e96\u5dee\u3002 \u800c\uff05B\u5247\u662f\u5728(\u6536\u76e4\u50f9 &#8211; \u5e03\u6797\u5e36\u4e0b\u8ecc\u503c) \u00f7 (\u5e03\u6797\u5e36\u4e0a\u8ecc\u503c &#8211; \u5e03\u6797\u5e36\u4e0b\u8ecc\u503c)<br \/>\n\u5f9e\u9019\u500b\u516c\u5f0f\u4f86\u770b\uff0c\u7576\u6536\u76e4\u50f9\u6108\u8cbc\u8fd1\u5e03\u6797\u503c\u4e0b\u8ecc\u9053\u7dda\uff0c\u4e14\u4e0a\u4e0b\u5169\u689d\u7dda\u5dee\u8ddd\u5f88\u5927\u6642\uff0c%B\u7684\u503c\u6108\u8da8\u8fd1\u65bc\u96f6\uff0c\u5982\u679c\u6536\u76e4\u50f9\u90fd\u7a7f\u904e\u5e03\u6797\u503c\u4e0a\u8ecc\u9053\u7dda\u4e86\uff0c\uff05B\u7684\u503c\u5c31\u6703\u5927\u65bc\u4e00\u3002<\/p>\n<p>\u6240\u4ee5\u5982\u679c%B\u5f9e0.5\u4ee5\u4e0b\uff0c\u7a81\u7834\u81ea\u5df1\u7684\u4e94\u65e5\u5e73\u5747\u7dda\uff0c\u662f\u7ffb\u591a\u7684\u8a0a\u865f\uff0c\u76f8\u53cd\u7684\uff0c\u5982\u679c\u5728\uff11\u4ee5\u4e0a\uff0c\u5247\u77ed\u7dda\u6709\u904e\u71b1\u7684\u5fb5\u5019\u3002<\/p>\n<p>\u4ee5\u4e0b\u5c31\u662f%B\u7684\u8173\u672c<\/p>\n<pre class='brush:xs'>input: Length(20);\tSetInputName(1, \"\u5e03\u6797\u901a\u9053\u5929\u6578\");\r\ninput: BandRange(2);SetInputName(2, \"\u4e0a\u4e0b\u5bec\u5ea6\");\r\ninput: MALength(10);SetInputName(3, \"MA\u5929\u671f\");\r\n\r\nvariable: up(0), down(0), mid(0);\r\n\r\nup = bollingerband(Close, Length, BandRange);\r\ndown = bollingerband(Close, Length, -1 * BandRange);\r\n\r\nif up - down = 0 then value1 = 0 else value1 = (close - down) * 100 \/ (up - down);\r\nvalue2 = average(value1, MALength);\r\n\r\nPlot1(value1, \"%b\");\r\nPlot2(value2, \"%b\u5e73\u5747\");<\/pre>\n<p><a href=\"https:\/\/www.xq.com.tw\/xstrader\/wp-content\/uploads\/2015\/05\/20150528.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1187\" src=\"https:\/\/www.xq.com.tw\/xstrader\/wp-content\/uploads\/2015\/05\/20150528.png\" alt=\"20150528\" width=\"1399\" height=\"676\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>%B\u9019\u500b\u6307\u6a19\uff0c\u662f\u5f9e\u4f48\u6797\u503c\u6f14\u5316\u904e\u4f86\u7684\uff0c\u6211\u5011\u8981\u4e86\u89e3%B\u6307\u6a19\u524d\uff0c\u5148\u4f86\u6eab\u7fd2\u4e00\u4e0b\u4f48\u6797\u901a\u9053(BBand) Input: price(numericseries), length(numericsimple), _band(numericsimple); BollingerBand = Average(price\u2026 <span class=\"read-more\"><a href=\"https:\/\/www.xq.com.tw\/xstrader\/%ef%bc%85b%e6%8c%87%e6%a8%99\/\">\u95b1\u8b80\u66f4\u591a &raquo;<\/a><\/span><\/p>\n","protected":false},"author":2,"featured_media":1190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-1150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-z"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - 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