📉 追加保证金触发价Margin Call Calculator

使用说明与常见问题How-to & FAQ

「追加保证金触发价」是什么？What is the Margin Call Calculator tool?

融资买入后，股价跌到 P × (1 - 初始保证金比例) / (1 - 维持保证金比例) 时触发追加保证金。本地处理。After buying on margin, a margin call is triggered when the price falls to P × (1 - initial margin) / (1 - maintenance margin). Processed locally.

如何使用「追加保证金触发价」？How do I use the Margin Call Calculator tool?

填写买入价、初始保证金比例和维持保证金比例，即可得到触发追加保证金的价格；填写股数时还会给出相关金额。结果会随输入实时更新。Enter the purchase price and the initial and maintenance margin percentages to get the price at which a margin call is triggered; add the number of shares to see the amounts involved. The result updates as you type.

卖空？Short selling?

卖空的触发价公式不同：P × (1 + 初始) / (1 + 维持)。For shorts the trigger is P × (1 + initial) / (1 + maintenance).

能举个计算实例吗？Can you show a worked example?

例如在「追加保证金触发价」中填 买入价 = 100，初始保证金 % = 50，维持保证金 % = 25，结果区显示：触发价：66.67；可承受跌幅：33.33%For example, entering Purchase price = 100, Initial margin % = 50, Maintenance margin % = 25 in the Margin Call Calculator gives: Margin call price: 66.67; Drop before call: 33.33%

哪些输入会被检查？Which inputs are validated?

「追加保证金触发价」会检查这些输入——「买入价」：必须填写，须大于 0；「初始保证金 %」、「维持保证金 %」：必须填写，不能为负数；「股数（可选）」：不能为负数；绝对值超过 10¹⁵ 的数也会被拒绝。不符合时结果区显示具体提示，不会给出数字。The Margin Call Calculator checks its inputs — "Purchase price": required, must be greater than 0; "Initial margin %", "Maintenance margin %": required, cannot be negative; "Shares (optional)": cannot be negative; numbers above 10¹⁵ in absolute value are rejected too. When a value fails, the result area names the problem instead of showing a number.

有哪些选项可以调整？What options can I adjust?

「追加保证金触发价」的设置：「买入价」默认 100；「初始保证金 %」默认 50；「维持保证金 %」默认 25；「股数（可选）」可留空。每次生成结果都按当前设置处理。Settings in the Margin Call Calculator — "Purchase price" default 100; "Initial margin %" default 50; "Maintenance margin %" default 25; "Shares (optional)" optional. The result always uses the current settings.

计算结果可以作为最终依据吗？Can I rely on the result?

「追加保证金触发价」按标准公式计算，结果仅供参考；实际金额以银行、券商或税务机关的规则和四舍五入方式为准。The Margin Call Calculator uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.

「追加保证金触发价」免费吗？需要注册吗？Is the Margin Call Calculator free? Do I need an account?

「追加保证金触发价」完全免费，无需注册或安装，打开网页即可使用，手机和电脑都能用；输入的内容只在你的浏览器本地处理。The Margin Call Calculator is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.