📈 盈利能力指数 PIProfitability Index
PI = PV(未来现金流) / 初始投资。本地处理。可设置「未来现金流现值」、「初始投资」。PI = PV(future cash flows) / initial investment. Processed locally. Settings: PV of future CF, Initial investment.
使用说明与常见问题How-to & FAQ
「盈利能力指数 PI」是什么？What is the Profitability Index tool?
PI = PV(未来现金流) / 初始投资。本地处理。可设置「未来现金流现值」、「初始投资」。PI = PV(future cash flows) / initial investment. Processed locally. Settings: PV of future CF, Initial investment.
如何使用「盈利能力指数 PI」？How do I use the Profitability Index tool?
填写未来现金流现值和初始投资，即可得到盈利指数 PI = 现值 ÷ 初始投资。结果会随输入实时更新。Enter the present value of future cash flows and the initial investment to get the profitability index PI = PV ÷ initial investment. The result updates as you type.
NPV？NPV?
PI>1 通常对应 NPV>0（同折现）。PI>1 usually matches NPV>0 at the same discount.
能举个计算实例吗？Can you show a worked example?
例如在「盈利能力指数 PI」中填 未来现金流现值 = 120000，初始投资 = 100000，结果区显示：PI：1.2；判定：≥1 可考虑For example, entering PV of future CF = 120000, Initial investment = 100000 in the Profitability Index gives: PI: 1.2; Verdict: ≥1 consider
哪些输入会被检查？Which inputs are validated?
「盈利能力指数 PI」会检查这些输入——「未来现金流现值」、「初始投资」：必须填写，须大于 0；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 Profitability Index checks its inputs — "PV of future CF", "Initial investment": required, must be greater than 0; 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?
「盈利能力指数 PI」的设置：「未来现金流现值」默认 120000；「初始投资」默认 100000。每次生成结果都按当前设置处理。Settings in the Profitability Index — "PV of future CF" default 120000; "Initial investment" default 100000. 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?
「盈利能力指数 PI」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 Profitability Index uses standard formulas and is for estimation only; actual figures depend on your bank, broker or tax authority's rules and rounding.
「盈利能力指数 PI」免费吗？需要注册吗？Is the Profitability Index free? Do I need an account?
「盈利能力指数 PI」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 Profitability Index is completely free with no sign-up or install and works on phones and desktops; what you enter is processed only in your browser.