{"id":10557,"date":"2026-01-13T12:16:03","date_gmt":"2026-01-13T04:16:03","guid":{"rendered":"https:\/\/blog.alltick.co\/zh-CN\/?p=10557"},"modified":"2026-01-13T12:16:07","modified_gmt":"2026-01-13T04:16:07","slug":"%e7%be%8e%e8%82%a1%e7%a2%8e%e8%82%a1%e4%ba%a4%e6%98%93%e8%a7%84%e5%88%99%e4%b8%8e%e7%b3%bb%e7%bb%9f%e5%ae%9e%e7%8e%b0%e5%85%a8%e8%a7%a3%e6%9e%90%ef%bc%88%e5%90%ab-java-python-ts-%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/blog.alltick.co\/zh-CN\/%e7%be%8e%e8%82%a1%e7%a2%8e%e8%82%a1%e4%ba%a4%e6%98%93%e8%a7%84%e5%88%99%e4%b8%8e%e7%b3%bb%e7%bb%9f%e5%ae%9e%e7%8e%b0%e5%85%a8%e8%a7%a3%e6%9e%90%ef%bc%88%e5%90%ab-java-python-ts-%e4%bb%a3%e7%a0%81\/","title":{"rendered":"\u7f8e\u80a1\u788e\u80a1\u4ea4\u6613\u89c4\u5219\u4e0e\u7cfb\u7edf\u5b9e\u73b0\u5168\u89e3\u6790\uff08\u542b Java\/Python\/TS \u4ee3\u7801\u793a\u4f8b\uff09"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"413\" src=\"https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1.png?resize=800%2C413&#038;ssl=1\" alt=\"\" class=\"wp-image-10558\" srcset=\"https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1-scaled.png?resize=1024%2C529&amp;ssl=1 1024w, https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1-scaled.png?resize=300%2C155&amp;ssl=1 300w, https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1-scaled.png?resize=768%2C397&amp;ssl=1 768w, https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1-scaled.png?resize=1536%2C794&amp;ssl=1 1536w, https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1-scaled.png?resize=2048%2C1058&amp;ssl=1 2048w, https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1-scaled.png?w=1600&amp;ssl=1 1600w, https:\/\/i0.wp.com\/blog.alltick.co\/zh-CN\/wp-content\/uploads\/2026\/01\/%E7%BE%8E%E8%82%A1%E7%A2%8E%E8%82%A1%E4%BA%A4%E6%98%93%E9%85%8D%E5%9B%BE%E5%8F%8A%E8%A7%84%E5%88%99-1-scaled.png?w=2400&amp;ssl=1 2400w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u4ec0\u4e48\u662f\u7f8e\u80a1\u788e\u80a1\u4ea4\u6613<\/h2>\n\n\n\n<p>\u7f8e\u80a1\u788e\u80a1\uff08Fractional Shares\uff09\u6307\u6295\u8d44\u8005\u53ef\u4ee5\u6309\u5c0f\u6570\u80a1\u7684\u5f62\u5f0f\u4e70\u5165\u80a1\u7968\u6216 ETF\uff0c\u800c\u4e0d\u518d\u88ab\u9650\u5236\u4e3a\u300c1 \u80a1\u30012 \u80a1\u300d\u8fd9\u6837\u7684\u6574\u6570\u5355\u4f4d\u3002 \u5178\u578b\u5b9e\u73b0\u4e2d\uff0c\u6700\u5c0f\u4ea4\u6613\u5355\u4f4d\u53ef\u4ee5\u7cbe\u786e\u5230 0.0001 \u80a1\uff0c\u5e76\u4e14\u5f88\u591a\u5238\u5546\u652f\u6301\u6309\u300c\u91d1\u989d\u300d\u4e0b\u5355\uff0c\u4f8b\u5982 5 \u7f8e\u91d1\u4e70\u5165\u67d0\u53ea\u80a1\u7968\u7684\u788e\u80a1\u4efd\u989d\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u673a\u5236\u6781\u5927\u964d\u4f4e\u4e86\u6295\u8d44\u95e8\u69db\uff1a\u4f8b\u5982\u67d0\u79d1\u6280\u9f99\u5934\u80a1\u5355\u4ef7 500 \u7f8e\u5143\uff0c\u8fc7\u53bb\u81f3\u5c11\u8981 500 \u7f8e\u5143\u624d\u80fd\u53c2\u4e0e\uff0c\u73b0\u5728\u53ea\u9700\u51e0\u5341\u7f8e\u5143\u751a\u81f3\u51e0\u7f8e\u5143\u5373\u53ef\u4e70\u5165\u76f8\u5e94\u6bd4\u4f8b\u7684\u80a1\u4efd\u3002 \u5bf9\u5f00\u53d1\u8005\u6765\u8bf4\uff0c\u8fd9\u610f\u5473\u7740\u4ea4\u6613\u3001\u98ce\u63a7\u3001\u6e05\u7b97\u3001\u62a5\u8868\u7b49\u5168\u94fe\u8def\u90fd\u5fc5\u987b\u652f\u6301\u5c0f\u6570\u80a1\u548c\u6309\u91d1\u989d\u4e0b\u5355\u7684\u6a21\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u6838\u5fc3\u4e1a\u52a1\u89c4\u5219\u68b3\u7406\uff08\u7ad9\u5728\u5f00\u53d1\u89c6\u89d2\uff09<\/h2>\n\n\n\n<p>\u4ece\u591a\u6570\u4e3b\u6d41\u5238\u5546\uff08\u5982 Alpaca\u3001Interactive Brokers\u3001Futu\u3001Webull \u7b49\uff09\u7684\u516c\u5f00\u89c4\u5219\u6765\u770b\uff0c\u7f8e\u80a1\u788e\u80a1\u5728\u4e1a\u52a1\u4e0a\u6709\u4e00\u5957\u76f8\u5bf9\u5171\u901a\u7684\u7ea6\u675f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u4e0b\u5355\u65b9\u5f0f\uff1a\u80a1\u6570 vs \u91d1\u989d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u652f\u6301\u4e24\u79cd\u6a21\u5f0f\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6309\u80a1\u6570\u4e0b\u5355\uff1a<code>qty<\/code> \u53ef\u4ee5\u662f\u5c0f\u6570\uff0c\u5982 0.1 \u80a1\u30010.0001 \u80a1\u3002<\/li>\n\n\n\n<li>\u6309\u91d1\u989d\u4e0b\u5355\uff1a<code>notional<\/code> \u8868\u793a\u7528\u591a\u5c11\u7f8e\u5143\u4e70\u5165\uff0c\u5982 10 \u7f8e\u5143\u4e70\u5165\u67d0\u80a1\u7968\u7684\u788e\u80a1\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4e24\u79cd\u6a21\u5f0f\u4e92\u65a5\uff1a\u4e00\u4e2a\u8ba2\u5355\u8981\u4e48\u6307\u5b9a <code>qty<\/code>\uff0c\u8981\u4e48\u6307\u5b9a <code>notional<\/code>\uff0c\u4e0d\u80fd\u540c\u65f6\u5b58\u5728\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u8ba2\u5355\u7c7b\u578b\u4e0e\u6709\u6548\u671f<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f88\u591a\u5238\u5546\u5728\u788e\u80a1\u4e0a\u7ebf\u521d\u671f\u53ea\u652f\u6301 <strong>\u5e02\u4ef7\u5355 + \u6b63\u5e38\u4ea4\u6613\u65f6\u6bb5<\/strong>\uff1b\u90e8\u5206\u540e\u6765\u6269\u5c55\u5230\u652f\u6301 <strong>\u9650\u4ef7\u5355\u3001\u6b62\u635f\u5355<\/strong> \u4ee5\u53ca\u76d8\u524d\/\u76d8\u540e\u4ea4\u6613\u3002<\/li>\n\n\n\n<li>\u5e38\u89c1\u786c\u6027\u7ea6\u675f\uff1a\u788e\u80a1\u8ba2\u5355\u7684 <code>time_in_force<\/code> \u53ea\u80fd\u662f <code>DAY<\/code>\uff0c\u4e0d\u5141\u8bb8 GTC\/IOC\/FOK \u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u652f\u6301\u788e\u80a1\u7684\u6807\u7684\u8303\u56f4<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e76\u975e\u6240\u6709\u80a1\u7968\/ETF \u90fd\u652f\u6301\u788e\u80a1\uff0c\u901a\u5e38\u662f\u5927\u76d8\u80a1\u3001\u6d41\u52a8\u6027\u597d\u3001\u96f6\u552e\u6295\u8d44\u8005\u53c2\u4e0e\u5ea6\u9ad8\u7684\u54c1\u79cd\u3002<\/li>\n\n\n\n<li>\u5238\u5546\u8d44\u4ea7\u5143\u6570\u636e\u4e2d\u901a\u5e38\u6709 <code>fractionable<\/code> \u5b57\u6bb5\uff0c\u7528\u4e8e\u6807\u8bb0\u8be5\u6807\u7684\u662f\u5426\u652f\u6301\u788e\u80a1\u4ea4\u6613\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u6700\u5c0f\u6570\u91cf\u4e0e\u6700\u5c0f\u91d1\u989d<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6700\u5c0f\u80a1\u6570\uff1a\u4f8b\u5982 0.0001 \u80a1\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u6280\u672f\u4e0b\u9650\u3002<\/li>\n\n\n\n<li>\u6700\u5c0f\u91d1\u989d\uff1a\u5f88\u591a\u5e73\u53f0\u5bf9\u788e\u80a1\u8bbe\u7f6e\u4e86\u6700\u5c0f\u8ba2\u5355\u91d1\u989d\uff0c\u4f8b\u5982 1\u20135 \u7f8e\u5143\u8d77\u6295\uff0c\u4f4e\u4e8e\u6b64\u91d1\u989d\u7684\u8ba2\u5355\u901a\u5e38\u4f1a\u88ab\u62d2\u7edd\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u505a\u7a7a\u4e0e\u4fdd\u8bc1\u91d1<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u591a\u6570\u96f6\u552e\u4e1a\u52a1\u4e0b\uff0c\u788e\u80a1 <strong>\u4e0d\u652f\u6301\u505a\u7a7a<\/strong>\uff0c\u5373\u5356\u51fa\u788e\u80a1\u5fc5\u987b\u6765\u6e90\u4e8e\u5df2\u6709\u6301\u4ed3\uff0c\u4e0d\u5141\u8bb8\u88f8\u7a7a\u3002<\/li>\n\n\n\n<li>\u4fdd\u8bc1\u91d1\u89c4\u5219\u4e00\u822c\u4e0e\u6574\u80a1\u7c7b\u4f3c\uff0c\u4f46\u5238\u5546\u53ef\u80fd\u5bf9\u788e\u80a1\u4ed3\u4f4d\u6709\u66f4\u4fdd\u5b88\u7684\u6298\u6263\u6216\u76f4\u63a5\u6309\u5168\u989d\u4fdd\u8bc1\u91d1\u5904\u7406\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u6295\u7968\u6743\u4e0e\u80a1\u4e1c\u6743\u5229<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u90e8\u5206\u6a21\u5f0f\u4e0b\uff0c\u788e\u80a1\u5bf9\u5e94\u7684\u5b9e\u7269\u80a1\u7968\u7531\u5238\u5546\u6216\u6258\u7ba1\u673a\u6784\u6301\u6709\uff0c\u6295\u8d44\u8005\u901a\u8fc7\u5408\u7ea6\u4eab\u53d7\u7ecf\u6d4e\u6743\u76ca\uff0c\u6b64\u65f6 <strong>\u53ef\u80fd\u6ca1\u6709\u76f4\u63a5\u6295\u7968\u6743<\/strong>\u3002<\/li>\n\n\n\n<li>\u4e00\u4e9b\u7eaf\u6258\u7ba1\u6a21\u5f0f\u5e73\u53f0\u4f1a\u5c06\u788e\u80a1\u6301\u4ed3\u805a\u5408\u540e\u884c\u4f7f\u6295\u7968\uff0c\u518d\u6309\u6bd4\u4f8b\u5f81\u8be2\u6216\u4f20\u9012\u7ed9\u5ba2\u6237\uff0c\u4f46\u5b9e\u73b0\u56e0\u5238\u5546\u800c\u5f02\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u5206\u7ea2\u4e0e\u516c\u53f8\u884c\u52a8<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u80a1\u606f\uff1a\u6309\u6301\u4ed3\u6bd4\u4f8b\u7cbe\u786e\u8ba1\u7b97\uff0c\u6bd4\u5982\u6bcf\u80a1 0.1 \u7f8e\u5143\u3001\u6301\u6709 0.25 \u80a1\uff0c\u5219\u5e94\u5f97 0.025 \u7f8e\u5143\u3002<\/li>\n\n\n\n<li>\u80a1\u606f\u518d\u6295\u8d44\uff08DRIP\uff09\uff1a\u53ef\u4ee5\u628a\u80a1\u606f\u81ea\u52a8\u518d\u6295\u8d44\u6210\u788e\u80a1\uff0c\u5373\u4f7f\u91d1\u989d\u8fbe\u4e0d\u5230\u6574\u80a1\u3002<\/li>\n\n\n\n<li>\u62c6\u80a1\u3001\u5e76\u80a1\u7b49\u516c\u53f8\u884c\u52a8\uff1a\u788e\u80a1\u4ed3\u4f4d\u6309\u540c\u6837\u6bd4\u4f8b\u8c03\u6574\uff0c\u5185\u90e8\u8d26\u52a1\u9700\u8981\u9ad8\u7cbe\u5ea6\u652f\u6301\uff0c\u62a5\u9001\u65f6\u518d\u6309\u76d1\u7ba1\u8981\u6c42\u53d6\u6574\u6216\u622a\u65ad\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">8. \u6e05\u7b97\u4e0e\u76d1\u7ba1\u62a5\u9001<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FINRA\/SEC \u9488\u5bf9\u788e\u80a1\u4ea4\u6613\u7684\u62a5\u544a\u5b57\u6bb5\u3001\u7cbe\u5ea6\u3001\u53d6\u6574\u89c4\u5219\u6709\u5355\u72ec\u6280\u672f\u89c4\u8303\uff0cTRF\/ADF \u6b63\u5728\u5168\u9762\u652f\u6301\u5c0f\u6570\u80a1\u6570\u91cf\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u901a\u5e38\u8981\u6c42\u6570\u91cf\u5b57\u6bb5\u6700\u591a 6 \u4f4d\u5c0f\u6570\uff0c\u800c\u5185\u90e8\u8d26\u52a1\u53ef\u4ee5\u91c7\u7528\u66f4\u9ad8\u7cbe\u5ea6\uff08\u4f8b\u5982 8\u201310 \u4f4d\uff09\uff0c\u62a5\u9001\u65f6\u8fdb\u884c\u89c4\u8303\u5316\u8f6c\u6362\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u4ece\u89c4\u5219\u5230\u4ee3\u7801\uff1a\u63a5\u53e3\u8bbe\u8ba1\u7684\u5173\u952e\u70b9<\/h2>\n\n\n\n<p>\u4e0b\u9762\u7ed3\u5408\u4e0a\u8ff0\u89c4\u5219\uff0c\u4ece\u63a5\u53e3\u8bbe\u8ba1\u4e0e\u98ce\u63a7\u89d2\u5ea6\uff0c\u628a\u788e\u80a1\u4ea4\u6613\u5728\u7cfb\u7edf\u5c42\u9762\u62c6\u6210\u51e0\u5757\uff1a\u4e0b\u5355\u6a21\u578b\u3001\u6821\u9a8c\u903b\u8f91\u3001\u80fd\u529b\u5f00\u5173\u3001\u6e05\u7b97\u62a5\u9001\u548c\u80a1\u606f\u5904\u7406\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. API \u4e0b\u5355\u6a21\u578b\u8bbe\u8ba1<\/h2>\n\n\n\n<p>\u4e00\u4e2a\u5178\u578b\u7684\u788e\u80a1\u4e0b\u5355\u5bf9\u8c61\uff0c\u9700\u8981\u652f\u6301\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>symbol<\/code>\uff1a\u6807\u7684\u4ee3\u7801\uff1b<\/li>\n\n\n\n<li><code>side<\/code>\uff1a\u4e70\u5165\/\u5356\u51fa\uff1b<\/li>\n\n\n\n<li><code>type<\/code>\uff1a\u5e02\u4ef7\u5355\u3001\u9650\u4ef7\u5355\u7b49\uff1b<\/li>\n\n\n\n<li><code>timeInForce<\/code>\uff1a\u591a\u6570\u60c5\u51b5\u4e0b\u53ea\u80fd\u662f <code>DAY<\/code>\uff1b<\/li>\n\n\n\n<li><code>qty<\/code>\uff08\u53ef\u7a7a\uff09\uff1a\u6309\u80a1\u6570\u4e0b\u5355\uff0c\u5c0f\u6570\u5f62\u5f0f\uff1b<\/li>\n\n\n\n<li><code>notional<\/code>\uff08\u53ef\u7a7a\uff09\uff1a\u6309\u91d1\u989d\u4e0b\u5355\uff1b<\/li>\n\n\n\n<li><code>limitPrice<\/code>\uff1a\u9650\u4ef7\u6216\u89e6\u53d1\u4ef7\uff1b<\/li>\n\n\n\n<li><code>extendedHours<\/code>\uff1a\u662f\u5426\u5141\u8bb8\u76d8\u524d\u76d8\u540e\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">TypeScript \u793a\u4f8b\uff1a\u524d\u7aef\/\u7f51\u5173 DTO<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">export interface FractionalOrderRequest { \/\/ by alltick.co\n  symbol: string;\n  side: \"buy\" | \"sell\";\n  type: \"market\" | \"limit\" | \"stop\" | \"stop_limit\";\n  timeInForce: \"day\";\n  qty?: string;           \/\/ \u652f\u6301\u5c0f\u6570\uff0c\u7528\u5b57\u7b26\u4e32\u8868\u793a [web:51]\n  notional?: string;      \/\/ \u6309\u91d1\u989d\u4e0b\u5355 [web:45]\n  limitPrice?: string;\n  extendedHours?: boolean;\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">TypeScript \u793a\u4f8b\uff1a\u57fa\u7840\u6821\u9a8c<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">function validateFractionalOrder(req: FractionalOrderRequest) { \/\/ by alltick.co\n  const hasQty = !!req.qty;\n  const hasNotional = !!req.notional;\n\n  \/\/ qty \/ notional \u4e92\u65a5 [web:45][web:51]\n  if (hasQty === hasNotional) {\n    throw new Error(\"Either qty or notional must be provided, but not both\");\n  }\n\n  \/\/ timeInForce \u5fc5\u987b\u4e3a day [web:45][web:48][web:51]\n  if (req.timeInForce !== \"day\") {\n    throw new Error(\"Fractional orders only support timeInForce=day\");\n  }\n\n  \/\/ \u9650\u4ef7\/\u6b62\u635f\u5fc5\u987b\u6709\u4ef7\u683c [web:48][web:51]\n  if ([\"limit\", \"stop\", \"stop_limit\"].includes(req.type) &amp;&amp; !req.limitPrice) {\n    throw new Error(\"limitPrice is required for type \" + req.type);\n  }\n\n  const checkPrecision = (v: string, field: string) =&gt; {\n    if (!\/^\\d+(\\.\\d{1,6})?$\/.test(v)) {\n      throw new Error(`${field} must have at most 6 decimal places`);\n    }\n  };\n\n  if (req.qty) checkPrecision(req.qty, \"qty\");\n  if (req.notional) checkPrecision(req.notional, \"notional\");\n  if (req.limitPrice) checkPrecision(req.limitPrice, \"limitPrice\");\n}<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001Java \u540e\u7aef\u5b9e\u73b0\u793a\u4f8b\uff1a\u4ece\u6821\u9a8c\u5230\u8c03\u5238\u5546 API<\/h2>\n\n\n\n<p>\u5728\u540e\u7aef\uff08\u5c24\u5176\u662f Java \u6280\u672f\u6808\uff09\u4e2d\uff0c\u5b9e\u73b0\u788e\u80a1\u4ea4\u6613\u4e3b\u8981\u5206\u4e3a\uff1aDTO + \u6821\u9a8c\u3001\u98ce\u9669\u63a7\u5236\u3001\u5916\u90e8\u5238\u5546 API \u8c03\u7528\u548c\u6e05\u7b97\u62a5\u9001\u9002\u914d\u7b49\u51e0\u4e2a\u90e8\u5206\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Java DTO\uff1a\u788e\u80a1\u8ba2\u5355\u6a21\u578b<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class FractionalOrderRequest { \/\/ by alltick.co\n\n    private String symbol;\n    private Side side;\n    private OrderType type;\n    private TimeInForce timeInForce;\n\n    \/\/ \u4e8c\u9009\u4e00\uff1aqty \u6216 notional [web:51]\n    private String qty;\n    private String notional;\n\n    private String limitPrice;\n    private Boolean extendedHours;\n\n    public enum Side { BUY, SELL }\n    public enum OrderType { MARKET, LIMIT, STOP, STOP_LIMIT }\n    public enum TimeInForce { DAY, GTC, IOC }\n\n    \/\/ getter \/ setter \u7701\u7565\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2. Java\uff1a\u4e1a\u52a1\u6821\u9a8c\u903b\u8f91<\/h2>\n\n\n\n<p>\u7ed3\u5408\u4e0a\u6587\u7684\u89c4\u5219\uff0c\u5728\u670d\u52a1\u7aef\u505a\u4e00\u6b21\u7edf\u4e00\u6821\u9a8c\uff0c\u6709\u52a9\u4e8e\u4fdd\u8bc1\u65e0\u8bba\u63a5\u5165\u54ea\u5bb6\u5238\u5546\uff0c\u788e\u80a1\u8ba2\u5355\u90fd\u7b26\u5408\u6700\u5c0f\u6807\u51c6\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.math.BigDecimal;\nimport java.util.Objects;\n\npublic class FractionalOrderValidator { \/\/ by alltick.co\n\n    public static void validate(FractionalOrderRequest req) {\n        Objects.requireNonNull(req.getSymbol(), \"symbol is required\");\n        Objects.requireNonNull(req.getSide(), \"side is required\");\n        Objects.requireNonNull(req.getType(), \"type is required\");\n        Objects.requireNonNull(req.getTimeInForce(), \"timeInForce is required\");\n\n        boolean hasQty = req.getQty() != null &amp;&amp; !req.getQty().isEmpty();\n        boolean hasNotional = req.getNotional() != null &amp;&amp; !req.getNotional().isEmpty();\n\n        \/\/ qty \/ notional \u4e92\u65a5 [web:45][web:51]\n        if (hasQty == hasNotional) {\n            throw new IllegalArgumentException(\"Either qty or notional must be set, but not both\");\n        }\n\n        \/\/ \u788e\u80a1\u8ba2\u5355\u7edf\u4e00\u4e3a DAY [web:45][web:48][web:51]\n        if (req.getTimeInForce() != FractionalOrderRequest.TimeInForce.DAY) {\n            throw new IllegalArgumentException(\"Fractional orders only support timeInForce=DAY\");\n        }\n\n        \/\/ \u9650\u4ef7\/\u6b62\u635f\u7c7b\u5fc5\u987b\u6709 price [web:48][web:51]\n        switch (req.getType()) {\n            case LIMIT:\n            case STOP:\n            case STOP_LIMIT:\n                if (req.getLimitPrice() == null) {\n                    throw new IllegalArgumentException(\"limitPrice is required for type \" + req.getType());\n                }\n                break;\n            default:\n        }\n\n        \/\/ \u7cbe\u5ea6\u63a7\u5236\uff1a\u6700\u591a 6 \u4f4d\u5c0f\u6570 [web:41][web:44][web:47]\n        if (hasQty) {\n            checkScale(req.getQty(), \"qty\", 6);\n        }\n        if (hasNotional) {\n            checkScale(req.getNotional(), \"notional\", 6);\n        }\n        if (req.getLimitPrice() != null) {\n            checkScale(req.getLimitPrice(), \"limitPrice\", 6);\n        }\n\n        \/\/ \u6700\u5c0f\u6570\u91cf\/\u91d1\u989d\uff08\u53ef\u6309\u5238\u5546\u89c4\u5219\u914d\u7f6e\uff09[web:5][web:8][web:45]\n        if (hasQty) {\n            BigDecimal q = new BigDecimal(req.getQty());\n            if (q.compareTo(new BigDecimal(\"0.0001\")) &lt; 0) {\n                throw new IllegalArgumentException(\"Minimum fractional qty is 0.0001\");\n            }\n        }\n        if (hasNotional) {\n            BigDecimal n = new BigDecimal(req.getNotional());\n            if (n.compareTo(new BigDecimal(\"1\")) &lt; 0) {\n                throw new IllegalArgumentException(\"Minimum notional is 1 USD\");\n            }\n        }\n    }\n\n    private static void checkScale(String value, String field, int scale) {\n        BigDecimal bd = new BigDecimal(value);\n        if (bd.scale() &gt; scale) {\n            throw new IllegalArgumentException(field + \" must have at most \" + scale + \" decimal places\");\n        }\n        if (bd.signum() &lt;= 0) {\n            throw new IllegalArgumentException(field + \" must be positive\");\n        }\n    }\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">3. Java\uff1a\u6309\u6807\u7684\/\u8d26\u6237\u80fd\u529b\u505a\u98ce\u63a7<\/h2>\n\n\n\n<p>\u788e\u80a1\u4ea4\u6613\u53d6\u51b3\u4e8e <strong>\u8d26\u6237\u662f\u5426\u5f00\u901a\u788e\u80a1\u6743\u9650<\/strong>\u3001<strong>\u6807\u7684\u662f\u5426\u652f\u6301\u788e\u80a1<\/strong>\u3001<strong>\u8d26\u6237\u662f\u5426\u5141\u8bb8\u505a\u7a7a<\/strong> \u7b49\uff0c\u5efa\u8bae\u505a\u6210\u80fd\u529b\u77e9\u9635\uff0c\u5728\u8def\u7531\u548c\u98ce\u63a7\u9636\u6bb5\u7edf\u4e00\u6821\u9a8c\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.math.BigDecimal;\n\npublic class InstrumentCapabilities { \/\/ by alltick.co\n    private String symbol;\n    private boolean supportsFractional;\n    private BigDecimal minFractionQty;\n    private boolean allowShortFractional; \/\/ \u4e00\u822c\u4e3a false [web:49][web:50]\n\n    \/\/ getter\/setter\n}\n\npublic class AccountCapabilities {\n    private boolean canMargin;\n    private boolean canShort;\n    private boolean canFractional;\n\n    \/\/ getter\/setter\n}\n<\/pre>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class RiskChecker { \/\/ by alltick.co\n\n    public static void checkFractionalOrder(FractionalOrderRequest req,\n                                            InstrumentCapabilities inst,\n                                            AccountCapabilities acct,\n                                            BigDecimal currentPrice) {\n\n        if (!acct.isCanFractional()) {\n            throw new IllegalStateException(\"Account does not support fractional trading\");\n        }\n        if (!inst.isSupportsFractional()) {\n            throw new IllegalStateException(\"Symbol \" + inst.getSymbol() + \" is not fractionable\");\n        }\n\n        \/\/ \u7981\u6b62\u788e\u80a1\u88f8\u7a7a\uff1a\u5f88\u591a\u5238\u5546\u7684\u786c\u6027\u8981\u6c42 [web:49][web:50]\n        if (req.getSide() == FractionalOrderRequest.Side.SELL &amp;&amp; !acct.isCanShort()) {\n            BigDecimal position = getPosition(inst.getSymbol());\n            BigDecimal qty = req.getQty() != null\n                    ? new BigDecimal(req.getQty())\n                    : new BigDecimal(req.getNotional()).divide(currentPrice, 8, BigDecimal.ROUND_HALF_UP);\n\n            if (qty.compareTo(position) &gt; 0) {\n                throw new IllegalStateException(\"Cannot short fractional shares beyond current position\");\n            }\n        }\n\n        \/\/ \u6700\u5c0f\u6570\u91cf\/\u91d1\u989d\u8fdb\u4e00\u6b65\u6309\u6807\u7684\u914d\u7f6e\u6821\u9a8c [web:5][web:8]\n        if (req.getQty() != null) {\n            BigDecimal q = new BigDecimal(req.getQty());\n            if (q.compareTo(inst.getMinFractionQty()) &lt; 0) {\n                throw new IllegalArgumentException(\"Min fractional qty: \" + inst.getMinFractionQty());\n            }\n        } else if (req.getNotional() != null) {\n            BigDecimal n = new BigDecimal(req.getNotional());\n            if (n.compareTo(new BigDecimal(\"1\")) &lt; 0) {\n                throw new IllegalArgumentException(\"Min fractional notional: 1 USD\");\n            }\n        }\n    }\n\n    private static BigDecimal getPosition(String symbol) {\n        \/\/ \u793a\u4f8b\uff1a\u771f\u5b9e\u73af\u5883\u5e94\u4ece\u6301\u4ed3\u670d\u52a1\u67e5\u8be2\n        return new BigDecimal(\"0.5\");\n    }\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">4. Java\uff1a\u8c03\u7528\u5238\u5546\u788e\u80a1\u4e0b\u5355\u63a5\u53e3\uff08\u4ee5 Alpaca \u4e3a\u4f8b\uff09<\/h2>\n\n\n\n<p>Alpaca \u7684 REST API \u539f\u751f\u652f\u6301\u788e\u80a1\uff0c\u652f\u6301 <code>qty<\/code> \u548c <code>notional<\/code> \u4e24\u79cd\u6a21\u5f0f\uff0c\u5e76\u4e14\u5728\u8d44\u4ea7\u4fe1\u606f\u4e2d\u63d0\u4f9b <code>fractionable<\/code> \u5b57\u6bb5\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import com.fasterxml.jackson.databind.ObjectMapper;\nimport java.net.URI;\nimport java.net.http.HttpClient;\nimport java.net.http.HttpRequest;\nimport java.net.http.HttpResponse;\nimport java.util.HashMap;\nimport java.util.Map;\n\npublic class BrokerClient { \/\/ by alltick.co\n\n    private final HttpClient httpClient = HttpClient.newHttpClient();\n    private final ObjectMapper mapper = new ObjectMapper();\n    private final String baseUrl = \"https:\/\/paper-api.alpaca.markets\/v2\"; \/\/ \u793a\u4f8b [web:45][web:51]\n\n    private final String apiKey;\n    private final String apiSecret;\n\n    public BrokerClient(String apiKey, String apiSecret) {\n        this.apiKey = apiKey;\n        this.apiSecret = apiSecret;\n    }\n\n    public String placeFractionalOrder(FractionalOrderRequest req) throws Exception {\n        FractionalOrderValidator.validate(req);\n\n        Map&lt;String, Object&gt; body = new HashMap&lt;&gt;();\n        body.put(\"symbol\", req.getSymbol());\n        body.put(\"side\", req.getSide().name().toLowerCase());\n        body.put(\"type\", req.getType().name().toLowerCase());\n        body.put(\"time_in_force\", \"day\");\n\n        if (req.getQty() != null) {\n            body.put(\"qty\", req.getQty());           \/\/ \u788e\u80a1\u6570\u91cf [web:51][web:56]\n        } else if (req.getNotional() != null) {\n            body.put(\"notional\", req.getNotional()); \/\/ \u6309\u91d1\u989d\u4e0b\u5355 [web:45][web:51]\n        }\n\n        if (req.getLimitPrice() != null) {\n            body.put(\"limit_price\", req.getLimitPrice());\n        }\n        if (Boolean.TRUE.equals(req.getExtendedHours())) {\n            body.put(\"extended_hours\", true);        \/\/ \u90e8\u5206\u5238\u5546\u652f\u6301\u788e\u80a1\u76d8\u524d\/\u76d8\u540e [web:48]\n        }\n\n        String json = mapper.writeValueAsString(body);\n\n        HttpRequest request = HttpRequest.newBuilder()\n                .uri(URI.create(baseUrl + \"\/orders\"))\n                .header(\"APCA-API-KEY-ID\", apiKey)\n                .header(\"APCA-API-SECRET-KEY\", apiSecret)\n                .header(\"Content-Type\", \"application\/json\")\n                .POST(HttpRequest.BodyPublishers.ofString(json))\n                .build();\n\n        HttpResponse&lt;String&gt; response =\n                httpClient.send(request, HttpResponse.BodyHandlers.ofString());\n\n        if (response.statusCode() &gt;= 300) {\n            throw new RuntimeException(\"Order failed: \" + response.statusCode() + \" \" + response.body());\n        }\n        return response.body();\n    }\n}\n<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u6e05\u7b97\u4e0e\u62a5\u8868\uff1a\u5c0f\u6570\u80a1\u7684\u76d1\u7ba1\u9002\u914d<\/h2>\n\n\n\n<p>\u788e\u80a1\u7684\u5f15\u5165\uff0c\u5bf9\u540e\u53f0\u6e05\u7b97\u548c\u76d1\u7ba1\u62a5\u9001\u5f71\u54cd\u5f88\u5927\uff1a\u4e0d\u518d\u662f\u7b80\u5355\u7684\u6574\u6570\u80a1\uff0c\u800c\u9700\u8981\u5728\u62a5\u9001\u63a5\u53e3\u4e2d\u652f\u6301\u6570\u91cf\u5c0f\u6570\u4f4d\u548c\u65b0\u7684\u5b57\u6bb5\u5b9a\u4e49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u5185\u90e8\u7cbe\u5ea6 vs \u62a5\u9001\u7cbe\u5ea6<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5185\u90e8\u8d26\u52a1\uff1a\u5efa\u8bae\u4f7f\u7528\u66f4\u9ad8\u7cbe\u5ea6\uff0c\u4f8b\u5982 8\u201310 \u4f4d\u5c0f\u6570\uff0c\u907f\u514d\u591a\u6b21\u8ba1\u7b97\u5f15\u5165\u8bef\u5dee\u3002<\/li>\n\n\n\n<li>\u76d1\u7ba1\u62a5\u9001\uff1aFINRA \u7b49\u901a\u9053\u7684\u6700\u65b0\u89c4\u8303\u4e2d\uff0c\u6570\u91cf\u5b57\u6bb5\u901a\u5e38\u9650\u5b9a\u4e3a 6 \u4f4d\u5c0f\u6570\u4ee5\u5185\uff0c\u9700\u8981\u5728\u51fa\u8d26\u65f6\u7edf\u4e00\u622a\u65ad\u6216\u56db\u820d\u4e94\u5165\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Java \u793a\u4f8b\uff1a\u6570\u91cf\u8f6c\u6362\u5de5\u5177<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.math.BigDecimal;\nimport java.math.RoundingMode;\n\npublic class ReportingUtil { \/\/ by alltick.co\n\n    \/\/ \u5185\u90e8\u8bb0\u8d26\uff1a8 \u4f4d\u5c0f\u6570\n    public static BigDecimal normalizeInternalQty(BigDecimal qty) {\n        return qty.setScale(8, RoundingMode.HALF_UP);\n    }\n\n    \/\/ \u5411 FINRA TRF\/ADF \u62a5\u9001\u65f6\u7684\u6570\u91cf\uff1a6 \u4f4d\u5c0f\u6570 [web:41][web:44]\n    public static String toFinraFractionalQty(BigDecimal qty) {\n        BigDecimal scaled = qty.setScale(6, RoundingMode.DOWN);\n        return scaled.toPlainString();\n    }\n\n    \/\/ \u5bf9\u53ea\u63a5\u53d7\u6574\u6570\u6570\u91cf\u7684\u9057\u7559\u901a\u9053\uff0c\u6309\u7ea6\u5b9a\u5411\u4e0a\u53d6\u6574\u6216\u62c6\u5206\u5904\u7406 [web:2]\n    public static int toLegacyWholeShares(BigDecimal qty) {\n        if (qty.compareTo(BigDecimal.ONE) &lt; 0) {\n            return 1;\n        }\n        return qty.setScale(0, RoundingMode.DOWN).intValueExact();\n    }\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u80a1\u606f\u4e0e\u516c\u53f8\u884c\u52a8\uff1a\u788e\u80a1\u573a\u666f\u4e0b\u7684\u8d26\u52a1\u5b9e\u73b0<\/h2>\n\n\n\n<p>\u788e\u80a1\u540c\u6837\u4eab\u53d7\u80a1\u606f\u548c\u516c\u53f8\u884c\u52a8\uff0c\u53ea\u662f\u9700\u8981\u5728\u540e\u53f0\u7528\u9ad8\u7cbe\u5ea6\u6309\u6bd4\u4f8b\u5206\u644a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u80a1\u606f\u8ba1\u7b97\uff1a\u6309\u788e\u80a1\u6bd4\u4f8b\u7cbe\u786e\u5206\u644a<\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.math.BigDecimal;\nimport java.math.RoundingMode;\n\npublic class DividendService { \/\/ by alltick.co\n\n    \/**\n     * @param positionShares   \u6301\u4ed3\u80a1\u6570\uff0c\u652f\u6301\u788e\u80a1\uff0c\u5982 \"0.25\"\n     * @param dividendPerShare \u6bcf\u80a1\u80a1\u606f\uff0c\u5982 \"0.50\"\n     * @return \u5e94\u53d1\u80a1\u606f\u91d1\u989d\uff0c\u4fdd\u7559 4 \u4f4d\u5c0f\u6570\u7528\u4e8e\u8d26\u52a1\n     *\/\n    public static BigDecimal calcDividend(String positionShares, String dividendPerShare) {\n        BigDecimal pos = new BigDecimal(positionShares);\n        BigDecimal div = new BigDecimal(dividendPerShare);\n        return pos.multiply(div).setScale(4, RoundingMode.HALF_UP);\n    }\n}\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u516c\u53f8\u884c\u52a8\uff08\u62c6\u80a1\/\u5e76\u80a1\uff09\u5904\u7406\u601d\u8def<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u62c6\u80a1\uff1a\u4f8b\u5982 1 \u62c6 2\uff0c\u6240\u6709\u6301\u4ed3\uff08\u5305\u62ec\u788e\u80a1\uff09\u4e58\u4ee5 2\uff0c\u4ef7\u683c\u5bf9\u534a\uff1b<\/li>\n\n\n\n<li>\u5e76\u80a1\uff1a\u4f8b\u5982 10 \u5408 1\uff0c\u6240\u6709\u6301\u4ed3\u9664\u4ee5 10\uff0c\u4ef7\u683c\u4e58\u4ee5 10\uff0c\u4ea7\u751f\u7684\u65b0\u788e\u80a1\u9700\u8981\u6309\u7b56\u7565\u5904\u7406\uff08\u4fdd\u7559\u3001\u73b0\u91d1\u8865\u507f\u7b49\uff09\u3002<\/li>\n\n\n\n<li>\u62a5\u9001\uff1a\u5185\u90e8\u4ecd\u7528\u9ad8\u7cbe\u5ea6\u8bb0\u8d26\uff0c\u62a5\u9001\u65f6\u6309\u76d1\u7ba1\u7cbe\u5ea6\u8f6c\u6362\uff0c\u786e\u4fdd\u4e0e\u6e05\u7b97\u673a\u6784\u5bf9\u8d26\u4e00\u81f4\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u5b9e\u8df5\u5efa\u8bae\u4e0e\u843d\u5730\u6b65\u9aa4<\/h2>\n\n\n\n<p>\u7ed3\u5408\u4ee5\u4e0a\u89c4\u5219\u4e0e\u4ee3\u7801\u793a\u4f8b\uff0c\u5f00\u53d1\u4e00\u4e2a\u652f\u6301\u7f8e\u80a1\u788e\u80a1\u7684\u4ea4\u6613\u7cfb\u7edf\uff0c\u5927\u81f4\u53ef\u4ee5\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u7edf\u4e00\u6570\u636e\u6a21\u578b<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5728\u8d44\u4ea7\u5143\u6570\u636e\u4e2d\u589e\u52a0 <code>fractionable<\/code>\u3001<code>minFractionQty<\/code> \u7b49\u5b57\u6bb5\u3002<\/li>\n\n\n\n<li>\u5728\u8d26\u6237\u6a21\u578b\u4e2d\u589e\u52a0 <code>canFractional<\/code>\u3001<code>canShort<\/code>\u3001<code>canMargin<\/code> \u7b49\u80fd\u529b\u6807\u5fd7\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6539\u9020\u4e0b\u5355\u94fe\u8def<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u63a5\u53e3\u652f\u6301 <code>qty<\/code> \u548c <code>notional<\/code> \u4e24\u79cd\u6a21\u5f0f\uff1b<\/li>\n\n\n\n<li>\u5168\u94fe\u8def\u652f\u6301\u5c0f\u6570\u6570\u91cf\u548c\u91d1\u989d\u7cbe\u5ea6\uff1b<\/li>\n\n\n\n<li>\u5bf9\u788e\u80a1\u8ba2\u5355\u7edf\u4e00\u5f3a\u5236 <code>time_in_force=DAY<\/code>\uff0c\u9650\u5236\u8ba2\u5355\u7c7b\u578b\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u589e\u5f3a\u98ce\u63a7\u6a21\u5757<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u788e\u80a1\u6807\u7684\u548c\u8d26\u6237\u505a\u80fd\u529b\u6821\u9a8c\uff1b<\/li>\n\n\n\n<li>\u9650\u5236\u788e\u80a1\u505a\u7a7a\uff1b<\/li>\n\n\n\n<li>\u63a7\u5236\u6700\u5c0f\u6570\u91cf\u548c\u6700\u5c0f\u91d1\u989d\uff0c\u907f\u514d\u65e0\u610f\u4e49\u5c0f\u989d\u8ba2\u5355\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u6e05\u7b97\u4e0e\u62a5\u9001\u9002\u914d<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u5185\u90e8\u8d26\u52a1\u91c7\u7528\u66f4\u9ad8\u7cbe\u5ea6\uff1b<\/li>\n\n\n\n<li>\u9488\u5bf9\u4e0d\u540c\u76d1\u7ba1\u901a\u9053\u914d\u7f6e\u7edf\u4e00\u7684\u7cbe\u5ea6\u8f6c\u6362\u7b56\u7565\uff1b<\/li>\n\n\n\n<li>\u5bf9\u4e0d\u652f\u6301\u5c0f\u6570\u7684\u9057\u7559\u63a5\u53e3\u8bbe\u8ba1\u62c6\u5206\/\u805a\u5408\u65b9\u6848\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u80a1\u606f\u548c\u516c\u53f8\u884c\u52a8\u6a21\u5757<\/strong>\n<ul class=\"wp-block-list\">\n<li>\u652f\u6301\u6309\u788e\u80a1\u6bd4\u4f8b\u5206\u914d\u80a1\u606f\u548c\u6267\u884c DRIP\uff1b<\/li>\n\n\n\n<li>\u5728\u62c6\u80a1\/\u5e76\u80a1\u7b49\u4e8b\u4ef6\u4e2d\u4fdd\u6301\u788e\u80a1\u6301\u4ed3\u7684\u4e00\u81f4\u6027\u548c\u53ef\u8ffd\u6eaf\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u5f53\u8fd9\u4e9b\u73af\u8282\u90fd\u6253\u901a\u540e\uff0c\u4f60\u7684\u7cfb\u7edf\u5c31\u53ef\u4ee5\u6bd4\u8f83\u5e73\u6ed1\u5730\u652f\u6301\u7f8e\u80a1\u788e\u80a1\u4ea4\u6613\uff0c\u5e76\u4e14\u5177\u5907\u5bf9\u63a5\u591a\u5bb6\u5238\u5546\uff08\u6216\u81ea\u5efa\u64ae\u5408\uff09\u7684\u80fd\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u4ec0\u4e48\u662f\u7f8e\u80a1\u788e\u80a1\u4ea4\u6613 \u7f8e\u80a1\u788e\u80a1\uff08Fractional Shares\uff09\u6307\u6295\u8d44\u8005\u53ef\u4ee5\u6309\u5c0f\u6570\u80a1\u7684\u5f62\u5f0f\u4e70\u5165\u80a1\u7968\u6216 E&#8230;<\/p>\n","protected":false},"author":5,"featured_media":10551,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-10557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tick-data-wiki"],"acf":[],"_links":{"self":[{"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/posts\/10557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/comments?post=10557"}],"version-history":[{"count":1,"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/posts\/10557\/revisions"}],"predecessor-version":[{"id":10559,"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/posts\/10557\/revisions\/10559"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/media\/10551"}],"wp:attachment":[{"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/media?parent=10557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/categories?post=10557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.alltick.co\/zh-CN\/wp-json\/wp\/v2\/tags?post=10557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}