\u5e03\u6797\u5e26<\/strong>\uff08Bollinger Bands\uff09\u7531\u4e09\u6761\u7ebf\u7ec4\u6210\uff1a<\/p>\n \u5c31\u50cf\u4e00\u4e2a”\u901a\u9053”\uff0c\u80a1\u4ef7\u5927\u90e8\u5206\u65f6\u5019\u5728\u901a\u9053\u5185\u8fd0\u884c\u3002<\/p>\n \u5b66\u4f1a\u4e86\u5e03\u6797\u5e26\uff0c\u6211\u4eec\u6765\u5b66\u6210\u4ea4\u91cf<\/strong>\u2014\u2014\u770b\u770b\u8fd9\u7b14\u4ea4\u6613\u771f\u4e0d\u771f\u5b9e\uff01<\/p>","protected":false},"excerpt":{"rendered":" \ud83d\udcca \u5e03\u6797\u5e26\u662f\u4ec0\u4e48\uff1f \u5e03\u6797\u5e26\uff08Bollinger Bands\uff09\u7531\u4e09\u6761\u7ebf\u7ec4\u6210\uff1a \ud83d\udccd \u4e2d\u8f68\uff1a20\u65e5\u5747\u7ebf \ud83d\udccd \u4e0a\u8f68\uff1a\u4e2d … \u9605\u8bfb\u66f4\u591a<\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3586","post","type-post","status-publish","format-standard","hentry","category-strategies"],"_links":{"self":[{"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3586","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3586"}],"version-history":[{"count":1,"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3586\/revisions"}],"predecessor-version":[{"id":3598,"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=\/wp\/v2\/posts\/3586\/revisions\/3598"}],"wp:attachment":[{"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3586"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3586"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xuebuwan.com\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3586"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n
\ud83c\udfaf \u5e03\u6797\u5e26\u7684\u4f5c\u7528<\/h2>\n
1. \u5224\u65ad\u4ef7\u683c\u9ad8\u4f4e<\/h3>\n
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2. \u5224\u65ad\u8d8b\u52bf<\/h3>\n
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3. \u7a81\u7834\u4fe1\u53f7<\/h3>\n
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\ud83d\udc68\u200d\ud83d\udcbb \u7528Python\u8ba1\u7b97\u5e03\u6797\u5e26<\/h2>\n
import pandas as pd\n\nprices = [100, 102, 101, 105, 103, 107, 110, 108, 112, 115]\ndf = pd.DataFrame({"\u6536\u76d8": prices})\n\n# \u8ba1\u7b97\u5e03\u6797\u5e26\ndf["MA20"] = df["\u6536\u76d8"].rolling(20).mean() # \u4e2d\u8f68\ndf["STD"] = df["\u6536\u76d8"].rolling(20).std() # \u6807\u51c6\u5dee\ndf["UPPER"] = df["MA20"] + 2 * df["STD"] # \u4e0a\u8f68\ndf["LOWER"] = df["MA20"] - 2 * df["STD"] # \u4e0b\u8f68\n\nprint(df)<\/code><\/pre>\n\ud83d\udcc8 \u5b8c\u6574\u4f8b\u5b50<\/h2>\n
import akshare as ak\nimport pandas as pd\nimport matplotlib.pyplot as plt\n\nplt.rcParams["font.sans-serif"] = ["SimHei"]\nplt.rcParams["axes.unicode_minus"] = False\n\n# \u83b7\u53d6\u6570\u636e\ndf = ak.stock_zh_a_hist(symbol="600519", adjust="qfq")\ndf = df.tail(60)\n\n# \u8ba1\u7b97\u5e03\u6797\u5e26\ndf["MA20"] = df["\u6536\u76d8"].rolling(20).mean()\ndf["STD"] = df["\u6536\u76d8"].rolling(20).std()\ndf["UPPER"] = df["MA20"] + 2 * df["STD"]\ndf["LOWER"] = df["MA20"] - 2 * df["STD"]\n\n# \u753b\u56fe\nplt.figure(figsize=(12, 6))\nplt.plot(df["\u65e5\u671f"], df["\u6536\u76d8"], label="\u6536\u76d8\u4ef7", color="black")\nplt.plot(df["\u65e5\u671f"], df["MA20"], label="\u4e2d\u8f68", color="blue")\nplt.plot(df["\u65e5\u671f"], df["UPPER"], label="\u4e0a\u8f68", color="red", linestyle="--")\nplt.plot(df["\u65e5\u671f"], df["LOWER"], label="\u4e0b\u8f68", color="green", linestyle="--")\n\nplt.fill_between(df["\u65e5\u671f"], df["UPPER"], df["LOWER"], alpha=0.1, color="blue")\nplt.title("\u8305\u53f0\u80a1\u4ef7\u4e0e\u5e03\u6797\u5e26")\nplt.legend()\nplt.xticks(rotation=45)\nplt.grid(True)\nplt.show()<\/code><\/pre>\n\ud83d\udca1 \u5e03\u6797\u5e26\u7b56\u7565<\/h2>\n
# \u7a81\u7834\u4e0a\u8f68\u4e70\u5165\nif close > upper:\n print("\u7a81\u7834\u4e0a\u8f68\uff0c\u5f3a\u52bf\uff01")\n\n# \u8dcc\u7834\u4e0b\u8f68\u5356\u51fa\nif close ma20 and close <\/code><\/pre>\n\u26a0\ufe0f \u6ce8\u610f\u4e8b\u9879<\/h2>\n
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\ud83d\udcda \u4e0b\u4e00\u8bfe<\/h2>\n