📊 债券等值收益率 BEYBond Equivalent Yield

使用说明与常见问题How-to & FAQ

「债券等值收益率 BEY」是什么？What is the Bond Equivalent Yield tool?

BEY = (面值-价格)/价格 × 365/天。本地处理。可设置「面值」、「价格」、「剩余天数」。BEY = (face-price)/price × 365/days. Processed locally. Settings: Face, Price, Days to maturity.

如何使用「债券等值收益率 BEY」？How do I use the Bond Equivalent Yield tool?

在「债券等值收益率 BEY」中，填写「面值」、「价格」、「剩余天数」等参数，结果会随输入实时计算并显示在下方。In the Bond Equivalent Yield: Fill in "Face", "Price", "Days to maturity"; results are recalculated instantly as you type.

是按半年付息年化的吗？Is it a semi-annual convention?

不是，本页对贴现债券按 365 天年化：BEY = (面值 − 价格) ÷ 价格 × 365 ÷ 剩余天数。附息债券的债券等值收益率通常是半年收益率 × 2，计算方式不同。No. For a discount instrument it annualises with 365 days: BEY = (face − price) ÷ price × 365 ÷ days. For coupon bonds the bond-equivalent yield is usually the semi-annual yield × 2, which is a different calculation.

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

例如在「债券等值收益率 BEY」中填 面值 = 100，价格 = 98，剩余天数 = 180，结果区显示：BEY：4.1383%For example, entering Face = 100, Price = 98, Days to maturity = 180 in the Bond Equivalent Yield gives: BEY: 4.1383%

哪些输入会被检查？Which inputs are validated?

「债券等值收益率 BEY」会检查这些输入——「面值」、「价格」：必须填写，须大于 0；「剩余天数」：必须填写，须大于 0，须为整数；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 Bond Equivalent Yield checks its inputs — "Face", "Price": required, must be greater than 0; "Days to maturity": required, must be greater than 0, must be a whole number; 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?

「债券等值收益率 BEY」的设置：「面值」默认 100；「价格」默认 98；「剩余天数」默认 180。每次生成结果都按当前设置处理。Settings in the Bond Equivalent Yield — "Face" default 100; "Price" default 98; "Days to maturity" default 180. 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?

「债券等值收益率 BEY」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 Bond Equivalent Yield uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.

「债券等值收益率 BEY」免费吗？需要注册吗？Is the Bond Equivalent Yield free? Do I need an account?

「债券等值收益率 BEY」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 Bond Equivalent Yield is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.