{"id":120829,"date":"2026-11-01T13:42:13","date_gmt":"2026-11-01T05:42:13","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/120829.html"},"modified":"2026-11-01T13:42:13","modified_gmt":"2026-11-01T05:42:13","slug":"quotes-%e5%ad%97%e6%ae%b5%e5%85%a8%e8%a7%a3%ef%bc%9a%e6%b6%a8%e8%b7%8c%e5%b9%85%e3%80%81%e6%8c%af%e5%b9%85%e3%80%81%e6%8d%a2%e6%89%8b%e7%8e%87%e7%9a%84%e5%8f%a3%e5%be%84%e4%b8%8e%e5%8d%95%e4%bd%8d","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/120829.html","title":{"rendered":"quotes \u5b57\u6bb5\u5168\u89e3\uff1a\u6da8\u8dcc\u5e45\u3001\u632f\u5e45\u3001\u6362\u624b\u7387\u7684\u53e3\u5f84\u4e0e\u5355\u4f4d"},"content":{"rendered":"<p>\u4e00\u53e5\u8bdd\u56de\u7b54&#xff1a; AlphaFeed \u5b9e\u65f6\u5feb\u7167 quotes \u91cc&#xff0c;ext.change_pct&#xff08;\u6da8\u8dcc\u5e45&#xff09;\u3001ext.amplitude&#xff08;\u632f\u5e45&#xff09;\u3001ext.turnover_rate&#xff08;\u6362\u624b\u7387&#xff09;\u90fd\u662f\u5c0f\u6570\u2014\u20140.03 \u8868\u793a &#043;3%&#xff0c;\u4e0d\u662f 3.0&#xff1b;last_price\/prev_close\/open\/high\/low \u662f\u4ef7\u683c&#xff0c;volume \u5355\u4f4d\u300c\u624b\u300d\u3001amount \u5355\u4f4d\u5143&#xff08;A \u80a1&#xff09;\u3002\u5b9e\u6d4b\u6838\u5bf9&#xff1a;600519.SH \u7684 ext.change_pct&#061;0.017471 \u4e0e\u624b\u7b97 (last-prev)\/prev \u5b8c\u5168\u4e00\u81f4&#xff0c;ext.amplitude&#061;0.01953 \u4e0e (high-low)\/prev \u4e00\u81f4\u3002\u8bda\u5b9e\u8fb9\u754c&#xff1a;\u8fd9\u4e9b\u662f\u7ea6 3 \u79d2\u5ef6\u8fdf\u7684\u5feb\u7167\u5b57\u6bb5&#xff0c;amount \u4ec5 A \u80a1\u53ef\u9760&#xff08;\u7f8e\u80a1\/\u6e2f\u80a1\u4e3a 0&#xff09;\u3002<\/p>\n<h3>\u4e3a\u4ec0\u4e48\u8981\u5148\u641e\u6e05\u695a\u53e3\u5f84<\/h3>\n<p>\u7528\u5feb\u7167\u9009\u80a1\/\u76ef\u76d8&#xff0c;\u6700\u5e38\u89c1\u7684 bug \u5c31\u662f\u628a\u5c0f\u6570\u5f53\u767e\u5206\u6570&#xff1a;\u4ee5\u4e3a change_pct \u662f 3.0&#xff08;3%&#xff09;&#xff0c;\u5199\u6210 change_pct &gt; 3 \u53bb\u7b5b&#xff0c;\u7ed3\u679c\u4ec0\u4e48\u90fd\u7b5b\u4e0d\u51fa\u6765&#xff08;\u56e0\u4e3a\u771f\u5b9e\u503c\u662f 0.03&#xff09;\u3002\u5148\u628a\u6bcf\u4e2a\u5b57\u6bb5\u7684\u53e3\u5f84\u548c\u5355\u4f4d\u9489\u6b7b&#xff0c;\u540e\u9762\u6240\u6709\u8fc7\u6ee4\u6761\u4ef6\u624d\u4e0d\u4f1a\u9519\u3002<\/p>\n<h3>\u4e00\u6b21\u53d6\u56de\u5feb\u7167&#xff0c;\u770b\u5b57\u6bb5<\/h3>\n<p><span class=\"token keyword\">from<\/span> alphafeed <span class=\"token keyword\">import<\/span> AlphaFeed<br \/>\naf <span class=\"token operator\">&#061;<\/span> AlphaFeed<span class=\"token punctuation\">(<\/span>api_key<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;your-api-key&#034;<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\"># \u6216 export ALPHAFEED_API_KEY \u540e AlphaFeed()<\/span><\/p>\n<p><span class=\"token comment\"># \u5355\u53ea<\/span><br \/>\nq1 <span class=\"token operator\">&#061;<\/span> af<span class=\"token punctuation\">.<\/span>quotes<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>symbols<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;600519.SH&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># \u5168 A \u4e00\u6b21\u53d6\u56de&#xff08;DataFrame&#xff0c;\u5b9e\u6d4b\u7ea6 5576 \u884c&#xff09;<\/span><br \/>\nq <span class=\"token operator\">&#061;<\/span> af<span class=\"token punctuation\">.<\/span>quotes<span class=\"token punctuation\">.<\/span>get<span class=\"token punctuation\">(<\/span>universes<span class=\"token operator\">&#061;<\/span><span class=\"token string\">&#034;CN_Stock&#034;<\/span><span class=\"token punctuation\">,<\/span> to_dataframe<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">list<\/span><span class=\"token punctuation\">(<\/span>q<span class=\"token punctuation\">.<\/span>columns<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># [&#039;symbol&#039;,&#039;region&#039;,&#039;last_price&#039;,&#039;prev_close&#039;,&#039;open&#039;,&#039;high&#039;,&#039;low&#039;,<\/span><br \/>\n<span class=\"token comment\">#  &#039;volume&#039;,&#039;amount&#039;,&#039;timestamp&#039;,&#039;trade_date&#039;,&#039;trade_time&#039;,<\/span><br \/>\n<span class=\"token comment\">#  &#039;ext.type&#039;,&#039;ext.name&#039;,&#039;ext.change_pct&#039;,&#039;ext.change_amount&#039;,<\/span><br \/>\n<span class=\"token comment\">#  &#039;ext.amplitude&#039;,&#039;ext.turnover_rate&#039;]<\/span><\/p>\n<h3>\u5b57\u6bb5\u9010\u9879\u901f\u67e5<\/h3>\n<table>\n<tr>\u5b57\u6bb5\u542b\u4e49\u53e3\u5f84 \/ \u5355\u4f4d\u793a\u4f8b(600519.SH)<\/tr>\n<tbody>\n<tr>\n<td>last_price<\/td>\n<td>\u6700\u65b0\u4ef7<\/td>\n<td>\u5143<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>prev_close<\/td>\n<td>\u6628\u6536<\/td>\n<td>\u5143<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>open\/high\/low<\/td>\n<td>\u4eca\u5f00\/\u6700\u9ad8\/\u6700\u4f4e<\/td>\n<td>\u5143<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>volume<\/td>\n<td>\u7d2f\u8ba1\u6210\u4ea4\u91cf<\/td>\n<td>\u624b&#xff08;\u76d8\u4e2d&#061;\u5230\u6b64\u523b&#xff0c;\u6536\u76d8&#061;\u5168\u5929&#xff09;<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>amount<\/td>\n<td>\u7d2f\u8ba1\u6210\u4ea4\u989d<\/td>\n<td>\u5143&#xff08;A \u80a1&#xff1b;\u7f8e\/\u6e2f\u4e3a 0&#xff09;<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>ext.change_pct<\/td>\n<td>\u6da8\u8dcc\u5e45<\/td>\n<td>\u5c0f\u6570 &#061;(last\u2212prev)\/prev<\/td>\n<td>0.017471 (\u2248&#043;1.75%)<\/td>\n<\/tr>\n<tr>\n<td>ext.change_amount<\/td>\n<td>\u6da8\u8dcc\u989d<\/td>\n<td>\u5143 &#061; last\u2212prev<\/td>\n<td>23.25<\/td>\n<\/tr>\n<tr>\n<td>ext.amplitude<\/td>\n<td>\u632f\u5e45<\/td>\n<td>\u5c0f\u6570 &#061;(high\u2212low)\/prev<\/td>\n<td>0.01953 (\u22481.95%)<\/td>\n<\/tr>\n<tr>\n<td>ext.turnover_rate<\/td>\n<td>\u6362\u624b\u7387<\/td>\n<td>\u5c0f\u6570 &#061;\u6210\u4ea4\u91cf\/\u6d41\u901a\u80a1\u672c<\/td>\n<td>0.003439 (\u22480.34%)<\/td>\n<\/tr>\n<tr>\n<td>ext.name<\/td>\n<td>\u540d\u79f0<\/td>\n<td>\u5b57\u7b26\u4e32<\/td>\n<td>\u8d35\u5dde\u8305\u53f0<\/td>\n<\/tr>\n<tr>\n<td>trade_time<\/td>\n<td>\u5feb\u7167\u65f6\u95f4<\/td>\n<td>\u5317\u4eac\u65f6\u95f4\u5b57\u7b26\u4e32<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>\u7528\u771f\u5b9e\u6570\u636e\u6838\u5bf9\u53e3\u5f84&#xff08;\u522b\u53ea\u542c\u6211\u8bf4&#xff09;<\/h3>\n<p>r <span class=\"token operator\">&#061;<\/span> q<span class=\"token punctuation\">[<\/span>q<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;symbol&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token string\">&#034;600519.SH&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>iloc<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">]<\/span><br \/>\nchg <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;last_price&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#8211;<\/span> r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;prev_close&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;prev_close&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\namp <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;high&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#8211;<\/span> r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;low&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">\/<\/span> r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;prev_close&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span>chg<span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;ext.change_pct&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>   <span class=\"token comment\"># 0.017471 0.017471 \u2705 \u4e00\u81f4<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span>amp<span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token builtin\">round<\/span><span class=\"token punctuation\">(<\/span>r<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;ext.amplitude&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">6<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>    <span class=\"token comment\"># 0.01953  0.01953  \u2705 \u4e00\u81f4<\/span><\/p>\n<p>\u6362\u7b97\u6210\u767e\u5206\u6570\u53ea\u9700 \u00d7 100&#xff1a;change_pct * 100 \u2192 1.75(%)\u3002\u7b5b\u300c\u6da8\u5e45 &gt; 3%\u300d\u8981\u5199 q[&#034;ext.change_pct&#034;] &gt; 0.03\u3002<\/p>\n<h3>\u5173\u952e\u5751\u4e0e\u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul>\n<li>\u5168\u662f\u5c0f\u6570&#xff0c;\u4e0d\u662f\u767e\u5206\u6570&#xff1a;0.03 &#061; 3%\u3002\u6240\u6709\u9608\u503c\u90fd\u6309\u5c0f\u6570\u5199&#xff08;&gt; 0.03\u3001.between(0.02, 0.07)&#xff09;\u3002<\/li>\n<li>\u632f\u5e45\u5206\u6bcd\u662f\u6628\u6536&#xff1a;\u5b9e\u6d4b amplitude&#061;(high\u2212low)\/prev_close&#xff0c;\u4e0d\u662f\u9664\u4ee5\u5f00\u76d8\u4ef7&#xff0c;\u4e5f\u4e0d\u662f\u9664\u4ee5\u6700\u65b0\u4ef7\u3002<\/li>\n<li>\u6362\u624b\u7387\u5206\u6bcd\u662f\u6d41\u901a\u80a1\u672c&#xff1a;turnover_rate &#061; volume(\u624b)\u00d7100 \/ float_shares&#xff08;\u624b\u2192\u80a1&#xff09;&#xff0c;\u53e3\u5f84\u4e3a\u6d41\u901a\u6362\u624b&#xff1b;\u82e5\u8981\u603b\u80a1\u672c\u53e3\u5f84\u9700\u81ea\u7b97\u3002<\/li>\n<li>amount \u4ec5 A \u80a1\u53ef\u9760&#xff1a;\u7f8e\u80a1\/\u6e2f\u80a1\u5feb\u7167 amount \u4e3a 0&#xff0c;\u7528 volume \u66ff\u4ee3\u3002<\/li>\n<li>\u5feb\u7167\u662f\u7ea6 3 \u79d2\u5ef6\u8fdf\u622a\u9762&#xff1a;\u76d8\u4e2d volume\/change_pct \u4f1a\u968f\u5237\u65b0\u53d8\u5316&#xff0c;\u4e0d\u662f\u9010\u7b14\u3001\u975e\u6beb\u79d2\u7ea7\u3002<\/li>\n<li>volume \u5355\u4f4d\u662f\u300c\u624b\u300d&#xff1a;1 \u624b&#061;100 \u80a1&#xff1b;\u4e0e klines \u7684 volume \u53e3\u5f84\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h3>\u5e38\u89c1\u95ee\u9898&#xff08;FAQ&#xff09;<\/h3>\n<p>Q&#xff1a;change_pct \u662f 1.75 \u8fd8\u662f 0.0175&#xff1f;<br \/>\nA&#xff1a;\u662f 0.0175&#xff08;\u5c0f\u6570&#xff09;\u3002\u5b9e\u6d4b 600519.SH \u4e3a 0.017471&#xff0c;\u7b49\u4e8e\u624b\u7b97 (last\u2212prev)\/prev&#xff0c;\u4e58 100 \u624d\u662f 1.75%\u3002<\/p>\n<p>Q&#xff1a;\u632f\u5e45\u4e3a\u4ec0\u4e48\u548c\u6211\u6309\u5f00\u76d8\u4ef7\u7b97\u7684\u5bf9\u4e0d\u4e0a&#xff1f;<br \/>\nA&#xff1a;AlphaFeed \u7684 amplitude \u5206\u6bcd\u662f\u6628\u6536&#xff08;prev_close&#xff09;&#xff0c;\u4e0d\u662f\u5f00\u76d8\u4ef7\u3002\u6362\u53e3\u5f84\u81ea\u5df1\u7528 (high\u2212low)\/open \u53e6\u7b97\u5373\u53ef\u3002<\/p>\n<p>Q&#xff1a;\u6362\u624b\u7387\u662f\u6d41\u901a\u8fd8\u662f\u603b\u80a1\u672c\u53e3\u5f84&#xff1f;<br \/>\nA&#xff1a;\u5b9e\u6d4b\u5bf9\u5e94\u6d41\u901a\u80a1\u672c&#xff08;float_shares&#xff09;\u3002\u8981\u603b\u80a1\u672c\u53e3\u5f84\u7528 volume\u00d7100\/total_shares \u81ea\u7b97&#xff08;total_shares \u6765\u81ea instruments&#xff09;\u3002<\/p>\n<p>Q&#xff1a;\u8fd9\u4e9b\u5b57\u6bb5\u5386\u53f2\u503c\u80fd\u53d6\u5417&#xff1f;<br \/>\nA&#xff1a;quotes \u662f\u5b9e\u65f6\u5feb\u7167&#xff1b;\u5386\u53f2\u8981\u7528 klines&#xff08;\u65e5\/\u5206\u949f\u7ebf&#xff09;\u81ea\u5df1\u590d\u539f\u6da8\u8dcc\u5e45\u3001\u632f\u5e45\u7b49\u3002<\/p>\n<h3>\u5c0f\u7ed3<\/h3>\n<p>quotes \u7684 ext.* \u5b57\u6bb5\u628a\u6da8\u8dcc\u5e45\u3001\u632f\u5e45\u3001\u6362\u624b\u7387\u76f4\u63a5\u7b97\u597d\u7ed9\u4f60&#xff0c;\u4f46\u5168\u662f\u5c0f\u6570&#xff0c;\u4e14\u632f\u5e45\u5206\u6bcd\u662f\u6628\u6536\u3001\u6362\u624b\u7387\u5206\u6bcd\u662f\u6d41\u901a\u80a1\u672c\u3002\u8bb0\u4f4f\u53e3\u5f84\u3001\u7528\u771f\u5b9e\u6570\u636e\u6838\u5bf9\u4e00\u904d&#xff0c;\u5199\u8fc7\u6ee4\u6761\u4ef6\u65f6\u5c31\u4e0d\u4f1a\u518d\u628a 0.03 \u5f53\u6210 3.0\u3002\u8de8\u5e02\u573a\u65f6\u6ce8\u610f amount \u4ec5 A \u80a1\u53ef\u9760\u3002<\/p>\n<h3>\u53c2\u8003<\/h3>\n<ul>\n<li>AlphaFeed Python SDK \u6587\u6863&#xff1a;https:\/\/docs.alphafeed.org\/zh-Hans\/sdk\/python-quickstart<\/li>\n<li>AlphaFeed \u5b98\u7f51&#xff1a;https:\/\/alphafeed.org\/<\/li>\n<li>\u672c\u6587\u5b8c\u6574\u7248&#xff08;AlphaFeed \u535a\u5ba2&#xff09;&#xff1a;https:\/\/blog.alphafeed.org\/blog\/quote-fields-change-pct-amplitude-turnover<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u53e5\u8bdd\u56de\u7b54&#xff1a; AlphaFeed \u5b9e\u65f6\u5feb\u7167 quotes \u91cc&#xff0c;ext.change_pct&#xff08;\u6da8\u8dcc\u5e45&#xff09;\u3001ext.amplitude&#xff08;\u632f\u5e45&#xff09;\u3001ext.turnover_rate&#xff08;\u6362\u624b\u7387&#xff09;\u90fd\u662f\u5c0f\u6570\u2014\u20140.03 \u8868\u793a 3%&#xff0c;\u4e0d\u662f 3.0&#xff1b;last_price\/prev_close\/open\/high\/low \u662f\u4ef7\u683c&#xff0c;volume \u5355<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,101,87],"topic":[],"class_list":["post-120829","post","type-post","status-publish","format-standard","hentry","category-server","tag-java","tag-spring","tag-87"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>quotes \u5b57\u6bb5\u5168\u89e3\uff1a\u6da8\u8dcc\u5e45\u3001\u632f\u5e45\u3001\u6362\u624b\u7387\u7684\u53e3\u5f84\u4e0e\u5355\u4f4d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/120829.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"quotes \u5b57\u6bb5\u5168\u89e3\uff1a\u6da8\u8dcc\u5e45\u3001\u632f\u5e45\u3001\u6362\u624b\u7387\u7684\u53e3\u5f84\u4e0e\u5355\u4f4d - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u4e00\u53e5\u8bdd\u56de\u7b54&#xff1a; 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