[{"data":1,"prerenderedAt":744},["ShallowReactive",2],{"\u002Fzh\u002Fguides\u002Ftrading-cost-percentage":3,"\u002Fzh\u002Fguides\u002Ftrading-cost-percentage-surround":729,"\u002Fzh\u002Fguides\u002Ftrading-cost-percentage-langs":740},{"id":4,"title":5,"authors":6,"badge":12,"body":14,"date":716,"description":717,"draft":718,"extension":719,"image":720,"meta":722,"navigation":723,"path":724,"seo":725,"stem":726,"updated":727,"__hash__":728},"posts\u002Fzh\u002F3.guides\u002F17.trading-cost-percentage.md","成本占比：经纪商拿走了您多少毛利润（{YEAR} 年版）",[7],{"name":8,"to":9,"avatar":10},"ShowMyTrades Team","https:\u002F\u002Fshowmytrades.com",{"src":11},"\u002Ficon-512.png",{"label":13},"成本",{"type":15,"value":16,"toc":703},"minimark",[17,30,37,40,43,48,60,71,77,92,104,108,111,161,167,176,182,185,188,194,197,201,208,211,218,230,237,242,245,249,263,283,286,407,410,418,422,432,444,447,458,462,465,487,507,513,516,524,528,575,579,615,619,625,631,642,648,654,658,681,684,695],[18,19,20,21,25,26,29],"p",{},"付了多少费用，您其实早就知道：每个账户页面上都写着",[22,23,24],"strong",{},"佣金合计","和",[22,27,28],{},"已付库存费合计","，两个以账户货币计的绝对数。",[18,31,32,33,36],{},"可真正决定这些成本要不要紧的那一点，它们并没有告诉您：成本吃掉了",[22,34,35],{},"毛利润的多大比例","。",[18,38,39],{},"同样是四千美元佣金，毛利润八万美元时不过是个零头，毛利润四千二百美元时就是致命一击。同一家经纪商，同一份收费标准，同一位交易者，结果却完全相反。光看绝对数，您分不清自己属于哪一种。",[18,41,42],{},"比例分得清，而且只用页面上已经公开的数字。它还能解释，为什么有些本身相当不错的策略始终赚不到钱。",[44,45,47],"h2",{"id":46},"成本占比到底衡量什么","💸 成本占比到底衡量什么",[18,49,50,55,56,59],{},[51,52,54],"a",{"href":53},"\u002Fglossary\u002Fwhat-is-cost-percentage","成本占比","衡量的是：在经纪商抽成",[22,57,58],{},"之前","，策略创造的成果中有多大比例变成了交易成本。",[61,62,67],"pre",{"className":63,"code":65,"language":66},[64],"language-text","毛盈亏 = 净盈亏 + 佣金 + 已付库存费\n成本占比 = (佣金 + 已付库存费) \u002F 毛盈亏 x 100\n","text",[68,69,65],"code",{"__ignoreMap":70},"",[18,72,73,74,76],{},"两项成本都按正数代入：这一步是把已经扣掉的钱加回来。注意，",[22,75,28],{},"显示时带正负号：净支付为红色，净收取为绿色（这类账户是少数）。如果您的是绿色，那是一笔收入，不是成本，不该放进分子。",[18,78,79,80,83,84,87,88,91],{},"结果可以当作“分成”来看。",[22,81,82],{},"20%"," 表示您的优势创造的成果，经纪商拿走了五分之一。",[22,85,86],{},"50%"," 相当于有个不露面的合伙人拿走一半，却一分风险都不担。",[22,89,90],{},"超过 100%"," 表示策略本身有效，您却还是亏了钱：毛盈亏为正、净盈亏为负。一个本来合格的系统悄悄失血，最常见的就是这种情况。",[18,93,94,95,99,100,103],{},"关于分母，再补充一句。有些交易者改用盈利单的毛",[96,97,98],"em",{},"盈利","来除成本，算出来的数字总是更小、更好看。本指南用的是毛",[96,101,102],{},"盈亏","：优势创造的全部成果里，最后有多少留在了您的余额中。",[44,105,107],{"id":106},"用真实字段算一个例子","🧮 用真实字段算一个例子",[18,109,110],{},"下面每一项输入都是 ShowMyTrades 账户页面上的字段，先看高级统计模块。",[112,113,114,127],"table",{},[115,116,117],"thead",{},[118,119,120,124],"tr",{},[121,122,123],"th",{},"账户页面上的字段",[121,125,126],{},"数值",[128,129,130,139,147,154],"tbody",{},[118,131,132,136],{},[133,134,135],"td",{},"总交易数",[133,137,138],{},"1,000",[118,140,141,144],{},[133,142,143],{},"总手数",[133,145,146],{},"500.00",[118,148,149,151],{},[133,150,24],{},[133,152,153],{},"−$3,500",[118,155,156,158],{},[133,157,28],{},[133,159,160],{},"−$400",[18,162,163,164,36],{},"每手佣金：$3,500 \u002F 500 手 = ",[22,165,166],{},"每手双边 $7.00",[18,168,169,170,172,173,36],{},"再看结果。假设全年已平仓的净盈亏（页面顶部摘要卡片里的",[22,171,98],{},"）为 ",[22,174,175],{},"+$300",[61,177,180],{"className":178,"code":179,"language":66},[64],"毛盈亏 = 300 + 3,500 + 400 = $4,200\n成本占比 = 3,900 \u002F 4,200 = 92.9%\n",[68,181,179],{"__ignoreMap":70},[18,183,184],{},"这个策略一年创造了 $4,200 的优势，其中 $3,900 进了经纪商的口袋。交易者自己留下 $300，外加十二个月的盯盘时间。页面上看不出任何问题：净值曲线是绿的，盈利因子高于 1.0，月度表格里绿格子比红格子多。",[18,186,187],{},"现在只改一个条件。假设同样 $4,200 的优势，是用 500 笔交易而不是 1,000 笔赚到的，平均手数不变，也就是 250 手而不是 500 手。",[61,189,192],{"className":190,"code":191,"language":66},[64],"成本 = (250 x $7) + $400 = $2,150\n净盈亏 = 4,200 - 2,150 = $2,050\n成本占比 = 2,150 \u002F 4,200 = 51.2%\n",[68,193,191],{"__ignoreMap":70},[18,195,196],{},"策略没变好，入场也没变好。到手收益却从 $300 涨到了 $2,050，原因只有一个：同样的优势，付费次数只有原来的一半。",[44,198,200],{"id":199},"️-盈利因子-128为什么几乎没有余量","⚖️ 盈利因子 1.28，为什么几乎没有余量",[18,202,203,204,207],{},"ShowMyTrades 上有交易历史的公开账户（2026 年 8 月）中，",[22,205,206],{},"盈利因子中位数为 1.28","，已平仓交易超过 100 笔的账户为 1.29。也就是说，这些账户每亏 1 美元能赚 1.28 美元，全部的安全垫就是每 1 美元多出的 28 美分。",[18,209,210],{},"有两个细节，让这层安全垫比看上去还薄。",[18,212,213,214,217],{},"第一，ShowMyTrades 上的盈利因子",[22,215,216],{},"本身就是扣除成本之后算的","。账户统计把每笔交易的结果算作毛盈亏加库存费再加佣金，只有这个净额为正，才算盈利单。所以 1.28 是经纪商扣完之后剩下的，不是策略本来创造的。扣费前的数字无论是多少，都比这个高，而成本占比衡量的就是它掉了多少。",[18,219,220,221,224,225,229],{},"第二，这些账户的胜率中位数为 ",[22,222,223],{},"68.8%","。胜率这么高、盈利因子却这么低，说明亏损单比盈利单大：典型的已发布账户做对的次数远多于做错的次数，可做对时赚的，比做错时亏的少。",[51,226,228],{"href":227},"\u002Fguides\u002Freading-a-trading-account-dashboard","如何读懂交易账户控制台","解释了为什么这种组合特别容易看走眼。",[18,231,232],{},[233,234],"img",{"alt":235,"src":236},"ShowMyTrades 公开账户的胜率中位数 68.8% 与盈利因子中位数 1.28 并列：大约每十笔交易有七笔盈利平仓，每亏 $1.00 赚 $1.28","\u002Fimages\u002Farticles\u002Fwin-rate-vs-payoff.svg",[18,238,239],{},[96,240,241],{},"每 1 美元多出的 28 美分，就是支付佣金和库存费的全部预算。",[18,243,244],{},"这样的系统，几乎扛不住每笔交易都要缴的固定费用。成本伤的不是亏损单，那边余地很大；伤的是盈利单，那边已经毫无余地。",[44,246,248],{"id":247},"️-为什么这个比例专门惩罚剥头皮却放过波段交易","⏱️ 为什么这个比例专门惩罚剥头皮，却放过波段交易",[18,250,251,252,258,259,262],{},"佣金随",[51,253,255],{"href":254},"\u002Fguides\u002Ftrading-volume-analysis",[22,256,257],{},"交易量","增加，库存费随",[22,260,261],{},"交易量乘以过夜天数","增加，两者都与优势的好坏无关。所以同样的优势，换一种交易方式，净结果就可能完全不同。",[18,264,265,266,270,271,274,275,278,279,282],{},"这些公开账户的",[51,267,269],{"href":268},"\u002Fglossary\u002Fwhat-is-average-trade-length","平均持仓时间","中位数为 ",[22,272,273],{},"2.4 小时","，大多数仓位根本不会遇到展期，佣金实际上就是全部费用。再看自动化程度：",[22,276,277],{},"自动交易占比中位数为 99%","，",[22,280,281],{},"53.9% 的账户自动化程度超过 90%","。交易量从哪来就很清楚了：主要来自在同一个交易日内开仓又平仓的系统。每一个这样的来回都要付全额费用，不管这笔交易值不值得做。",[18,284,285],{},"下面是三个毛优势都是 $10,000 的系统，费用与上面的示例相同，每手 $7。数字仅作示意，不是实测数据。",[112,287,288,303],{},[115,289,290],{},[118,291,292,294,297,300],{},[121,293],{},[121,295,296],{},"剥头皮",[121,298,299],{},"日内",[121,301,302],{},"波段",[128,304,305,319,332,346,360,372,386],{},[118,306,307,310,313,316],{},[133,308,309],{},"每年已平仓交易",[133,311,312],{},"4,000",[133,314,315],{},"600",[133,317,318],{},"90",[118,320,321,323,326,329],{},[133,322,143],{},[133,324,325],{},"2,000",[133,327,328],{},"300",[133,330,331],{},"45",[118,333,334,337,340,343],{},[133,335,336],{},"佣金（每手 $7）",[133,338,339],{},"$14,000",[133,341,342],{},"$2,100",[133,344,345],{},"$315",[118,347,348,351,354,357],{},[133,349,350],{},"已付库存费",[133,352,353],{},"$120",[133,355,356],{},"$300",[133,358,359],{},"$1,600",[118,361,362,365,368,370],{},[133,363,364],{},"毛盈亏",[133,366,367],{},"$10,000",[133,369,367],{},[133,371,367],{},[118,373,374,377,380,383],{},[133,375,376],{},"净盈亏",[133,378,379],{},"−$4,120",[133,381,382],{},"$7,600",[133,384,385],{},"$8,085",[118,387,388,392,397,402],{},[133,389,390],{},[22,391,54],{},[133,393,394],{},[22,395,396],{},"141%",[133,398,399],{},[22,400,401],{},"24%",[133,403,404],{},[22,405,406],{},"19%",[18,408,409],{},"剥头皮交易者并不比别人差，三者的优势完全一样。区别只在于，同样的优势，剥头皮要买 4,000 次，波段只买 90 次。",[18,411,412,413,417],{},"所以成本占比应该在设计策略时就算，而不是等到事后复盘。一个按毛价格盈利的回测，只有把成本账单除以毛盈亏之后，才算真正测试过：",[51,414,416],{"href":415},"\u002Fguides\u002Ftracking-trading-performance","交易表现追踪","里的其他每个数字，用的都是这个标准。",[44,419,421],{"id":420},"库存费总量不大集中起来却致命","🌙 库存费：总量不大，集中起来却致命",[18,423,424,425,278,428,431],{},"ShowMyTrades 公开账户",[22,426,427],{},"累计支付库存费 $862,547",[22,429,430],{},"佣金 $4,782,670","（2026 年 8 月）。佣金总额是库存费的五倍多，所以库存费常常被直接排除在计算之外；也正因如此，它会在少数持仓过夜的账户上造成破坏。",[18,433,434,435,438,439,443],{},"有库存费记录的账户中，",[22,436,437],{},"86.3%"," 的库存费净额为负。对绝大多数已发布账户来说，套息都是赔钱的买卖。所以如果您",[51,440,442],{"href":441},"\u002Fguides\u002Fswap-and-carry-trade","持仓跨过展期","，就默认自己在付钱，去看实际数字，别抱侥幸。",[18,445,446],{},"库存费放进这道算术里尤其麻烦。它在未平仓的仓位上累积，还没有计入您拿来相除的已平仓交易总额。而且它按持仓时间收，不按交易活动收，本指南最主要的杠杆对它不起作用：交易笔数减半，持仓时间却不缩短，库存费那一行纹丝不动。",[18,448,449,450,453,454,457],{},"把这两个总额除以公开账户的总交易量 ",[22,451,452],{},"1,724,575 手","，综合下来大约是",[22,455,456],{},"每手 $2.77 佣金加 $0.50 库存费","。这是零佣金账户和双边收佣账户混在一起的平均值，真正要紧的是您自己的费率。",[44,459,461],{"id":460},"在-showmytrades-账户页面上哪里找这些数字","🔎 在 ShowMyTrades 账户页面上哪里找这些数字",[18,463,464],{},"页面上没有“成本占比”这个字段，但算它所需的四个数字都在同一个模块里。",[18,466,467,470,471,473,474,473,476,25,478,480,481,484,485,36],{},[22,468,469],{},"高级统计","里有",[22,472,24],{},"、",[22,475,28],{},[22,477,143],{},[22,479,135],{},"，两项成本都是已平仓交易的历史累计。佣金除以手数，就是每手费率；两项成本相加再除以交易笔数，就是每个来回的成本。接着看同一模块里的",[22,482,483],{},"期望值","，它同时以点数和货币显示：如果每笔交易的期望值比每笔成本还小，答案已经有了。分母里还差的净盈亏，就是上方摘要卡片里的",[22,486,98],{},[18,488,489,490,493,494,473,497,25,500,503,504,506],{},"想把这一个比例拆开看，有两个模块可用。",[22,491,492],{},"交易表格","默认隐藏",[22,495,496],{},"盈利（毛额）",[22,498,499],{},"库存费",[22,501,502],{},"佣金","三列，在列选择器里打开后，每笔交易的成本构成就会显示在常驻的",[22,505,376],{},"旁边。",[18,508,509,512],{},[22,510,511],{},"自定义分析","侧边面板可以按品种、魔术号、交易时段、星期、交易持续时间、手数和交易注释筛选。按魔术号一筛，就能在多策略账户里单独拎出某个 EA（智能交易系统）的成本；往往会发现，整个比例主要是被某一个费用高昂的策略拉上去的。",[18,514,515],{},"有两点要注意。所有者可以在公开页面上隐藏其中任何一个模块，所以没显示成本区块的账户，不等于没有成本。",[18,517,518,519,523],{},"另外，凡是显示出来的数字，都来自经纪商连接，而不是电子表格。这一点对成本尤其重要，比页面上其他任何数据都重要：自己报数字的人，最先悄悄往小了报的就是成本。",[51,520,522],{"href":521},"\u002Fguides\u002Fverifying-trading-performance-claims","如何验证交易业绩宣传","列出了这份检查清单的其余内容。",[44,525,527],{"id":526},"️-改变这个比例的四个办法","🛠️ 改变这个比例的四个办法",[529,530,531,543,554,560],"ol",{},[532,533,534,537,538,542],"li",{},[22,535,536],{},"单位优势对应的交易量","。这是最大的杠杆，也是唯一完全由您掌控的：风险相同时，少而大的仓位胜过多而小的仓位。用",[51,539,541],{"href":540},"\u002Ftools\u002Fposition-size-calculator","仓位计算器","可以把这个取舍算得清清楚楚。",[532,544,545,548,549,553],{},[22,546,547],{},"返佣","。以示例中的 500 手计，每手返佣 $1.50 就能拿回 $750，策略一点不动，到手收益就从 $300 变成 $1,050。用",[51,550,552],{"href":551},"\u002Ftools\u002Frebate-calculator","返佣计算器","算算您自己的交易量。",[532,555,556,559],{},[22,557,558],{},"时段和品种的选择","。点差在展期前后变宽，在流动性好的时段变窄，所以习惯在服务器时间 23:50 入场的系统，同一次入场要付两遍钱。",[532,561,562,565,566,570,571,36],{},[22,563,564],{},"不必要的过夜","。如果离场逻辑不依赖隔夜行情，就在展期前平仓。用",[51,567,569],{"href":568},"\u002Ftools\u002Fpip-calculator","点值计算器","把库存费换算成点数，和您的平均盈利比一比；其余内容见",[51,572,574],{"href":573},"\u002Fguides\u002Fforex-calculators-guide","外汇计算器指南",[44,576,578],{"id":577},"️-成本占比的五个常见误区","⚠️ 成本占比的五个常见误区",[529,580,581,587,593,599,605],{},[532,582,583,586],{},[22,584,585],{},"拿绝对成本在账户之间比较","。同样 $12,000 佣金，毛利润 $200,000 时占 6%，毛利润 $15,000 时占 80%。能在账户之间比较的，只有比例。",[532,588,589,592],{},[22,590,591],{},"在亏损账户上算","。分母为负，算出来的百分比小得让人安心。毛盈亏为负时，问题不在成本，在策略。",[532,594,595,598],{},[22,596,597],{},"重复扣除","。高级统计里以货币计的统计（盈利因子、期望值、平均盈利和平均亏损）已经扣掉了佣金和库存费。再减一次成本，就凭空造出一笔并不存在的亏损。",[532,600,601,604],{},[22,602,603],{},"混用分母","。用盈利单毛盈利算出的比例，总是比用毛盈亏算出的小。两种算法各有道理，但拿一种去和另一种比，就没道理了。",[532,606,607,610,611,614],{},[22,608,609],{},"历史太短就下结论","。公开账户的已平仓交易数中位数为 ",[22,612,613],{},"171 笔","。不到几百笔时，一笔异常大的盈利就能让比例看上去减半，一个清淡的月份就能让它翻倍。",[44,616,618],{"id":617},"常见问题","❓ 常见问题",[18,620,621,624],{},[22,622,623],{},"成本占比多少算好？","\n下面的区间是经验惯例，不是实测得出的阈值。低于 20% 很宽松；20% 至 40%，优势够强也能接受；高于 50%，您的策略最大的受益者就成了经纪商。超过 100% 是唯一一条硬线，因为这是算术，不是判断：毛盈亏为正、净盈亏为负，第一件要砍的就是交易量。",[18,626,627,630],{},[22,628,629],{},"账户页面上会显示成本占比吗？","\n没有单独的字段，需要用佣金合计、已付库存费合计和净盈亏自己算。只要所有者没有隐藏相关模块，这些数字在公开账户页面上都看得到。",[18,632,633,636,637,641],{},[22,634,635],{},"这里包括点差吗？","\n不包括，这一点最需要注意。没有任何平台会把",[51,638,640],{"href":639},"\u002Fglossary\u002Fwhat-is-a-spread","点差","单独列一行：它已经含在入场价和离场价里，所以本来就在毛盈亏之内，而不是和佣金、库存费并列。这样算出的成本占比是下限，不是上限；交易越多，下限和实际之间的差距就越大。",[18,643,644,647],{},[22,645,646],{},"我的佣金合计是 $0，交易是免费的吗？","\n这只说明您的经纪商把费用算进了点差，没有单独收取。成本照样存在，只是在这个字段里看不到。所以零佣金账户和原始点差账户只能比较每手总成本，不能逐项对比。",[18,649,650,653],{},[22,651,652],{},"我的成本占比超过了 100%，先改什么？","\n改交易量，不是改风险。赚同样的优势，把来回次数减半，是见效最快的办法；其次，为省不掉的那部分交易量争取返佣。加大手数想跑赢成本，只会加深回撤，比例纹丝不动。另外，比例难看不一定是经纪商不好，更常见的原因是交易频率和收费标准不匹配。",[44,655,657],{"id":656},"相关指南","🔗 相关指南",[659,660,661,666,671,676],"ul",{},[532,662,663,665],{},[51,664,228],{"href":227},"：按顺序讲解页面上的每一项指标",[532,667,668,670],{},[51,669,416],{"href":415},"：哪些数字值得盯，多久看一次",[532,672,673,675],{},[51,674,522],{"href":521},"：相信别人的成本数字之前，先看这篇",[532,677,678,680],{},[51,679,574],{"href":573},"：仓位、点值、返佣等计算器",[682,683],"hr",{},[18,685,686,689,690,694],{},[22,687,688],{},"去真实账户上看看这个比例","。在",[51,691,693],{"href":692},"\u002Fexplore","探索","里打开任何一个显示高级统计模块的账户，四项输入都在那里，包括那些答案让人不太舒服的账户。",[18,696,697,698,702],{},"然后",[51,699,701],{"href":700},"\u002Fsignup","免费连接您自己的账户","，看看付完经纪商的钱之后，您的优势还值多少。",{"title":70,"searchDepth":704,"depth":704,"links":705},2,[706,707,708,709,710,711,712,713,714,715],{"id":46,"depth":704,"text":47},{"id":106,"depth":704,"text":107},{"id":199,"depth":704,"text":200},{"id":247,"depth":704,"text":248},{"id":420,"depth":704,"text":421},{"id":460,"depth":704,"text":461},{"id":526,"depth":704,"text":527},{"id":577,"depth":704,"text":578},{"id":617,"depth":704,"text":618},{"id":656,"depth":704,"text":657},"2026-08-19T00:00:00.000Z","佣金和库存费不是凭空多出来的，而是从毛利润里扣走的。用账户页面上的四个字段算出这个比例，就知道经纪商拿走了多少。",false,"md",{"src":721},"\u002Fimages\u002Fblog\u002Ftrading-cost-percentage-hero.svg",{},true,"\u002Fzh\u002Fguides\u002Ftrading-cost-percentage",{"title":5,"description":717},"zh\u002F3.guides\u002F17.trading-cost-percentage","2026-08-29T00:00:00.000Z","txwJlSQKXcPPaxJldSxPS4dqVth_gSlKOHbamAqvEqA",[730,735],{"title":731,"path":732,"stem":733,"description":734,"children":-1},"如何核算经纪商的真实交易成本（{YEAR} 年版）","\u002Fzh\u002Fguides\u002Fbroker-cost-audit","zh\u002F3.guides\u002F16.broker-cost-audit","点差、佣金和库存费，决定了一个盈利策略最后能不能真正让您赚到钱。本文教您按每手衡量每一项成本，并用同一策略比较两家经纪商。",{"title":736,"path":737,"stem":738,"description":739,"children":-1},"库存费与套息交易：图表看似平稳，成本却在悄悄流失（{YEAR} 年版）","\u002Fzh\u002Fguides\u002Fswap-and-carry-trade","zh\u002F3.guides\u002F18.swap-and-carry-trade","库存费是没人会去截图的成本。本文讲清它是什么、周三三倍库存费怎么回事、为什么我们有库存费记录的公开账户中 86.3% 在付钱，以及如何估算一笔持仓的成本。",[741,743],{"path":742},"\u002Fguides\u002Ftrading-cost-percentage",{"path":724},1793898036539]