If You Can’t Measure It, You Can’t Manage It
You know yesterday's sales to the rupee. Here are the five numbers that tell you the same thing about your own money.


Business owners track sales daily but never measure their own wealth. Five numbers fix that: what you own, real return after tax and inflation, return vs benchmark, costs in rupees, and a bad-year loss in rupees. Check them quarterly, an hour each time.
The short answer
Ask a business owner what the company did last month and you get the answer before you finish the question. Sales, margin, receivables, the one customer who is late.
Ask the same person what their own money earned last year and the room goes quiet. Not because they are careless. Because nobody has ever put that number in front of them.
You cannot manage what you have never measured. And measuring your wealth takes five numbers, not fifty:
- What you own, on one page.
- What it really earned, after tax and inflation.
- What it earned against the benchmark.
- What it costs you, in rupees.
- What a bad year looks like, in rupees.
Get these five once, then look at them four times a year. That is most of what "managing" your wealth means.
You already run your business this way
No owner I know runs a factory on feeling. There is a daily sales figure. There is a monthly P&L. There is a CA who closes the books, and a banker who asks hard questions about them.
Now look at the money that business produced for the family. It sits in three bank accounts, a few fixed deposits, some mutual funds bought over fifteen years, a demat account, a property or two, gold in a locker, and policies nobody has read since they were signed. Some of it is in your name. Some is in your spouse's. Some is in the HUF.
There is no P&L for any of it. No one closes those books. The business that earns the money is measured every day. The wealth it created is measured never.
Why your own money goes unmeasured
Three reasons, and none of them is your fault.
The statements answer the wrong question. A statement tells you what you hold and what it is worth today. It usually does not tell you what you earned. A fund's published return is the fund's return, from its start date to today. Yours depends on when each of your rupees went in. Those are two different numbers, and most investors have only ever seen the first.
It is scattered. In August, our desk reviewed four family books. They held 35, 48, 83 and 89 line items. Not one of the four had ever existed on a single page. One family's 89 folios, added up, held close to a thousand underlying companies. Nobody had chosen that. Nobody had counted it either.
It is nobody's job. Your CA measures your tax. Your banker measures your deposits with that bank. Each person who sold you a product measures that product. The whole thing, across everyone, belongs to no one.
The five numbers
1. What you own, on one page
Everything. Every account, every family member, every asset, and every loan against it. One page, one total.
This is the least clever number on the list and the one that changes the most. It is usually the first time the owner sees the whole picture at once. Duplicates show up. Forgotten folios show up. So does the fact that 70% of the family's wealth is in one building.
Until this page exists, the other four numbers cannot be worked out.
2. What it really earned
Take a fixed deposit, because almost every family has one.
Say ₹10 lakh at 6.5% for a year, held by someone in the 30% tax slab.
| Interest earned | ₹65,000 |
| Tax at 31.2% | − ₹20,280 |
| What you keep | ₹44,720 |
| What prices rose by (4.82%, CPI August 2026) | − ₹48,200 |
| What your money really earned | − ₹3,480 |
The deposit did exactly what it promised. Your rupees are safe, and they came back with interest. But what those rupees can buy went down slightly.
That is the real return: the rate, minus tax, minus inflation. In the 20% slab the same deposit comes out about ₹3,300 ahead. Small, but ahead.
This is not an argument against fixed deposits. They are the right place for money you need soon. It is an argument for knowing the number before you leave long-term money there for ten years.
3. What it earned against the benchmark
For anything linked to the market, the question is not "did it go up?" Most things go up in a good year.
The question is: did it do better than the plain alternative? For a share portfolio or an equity fund, the plain alternative is the index it is measured against. Every fund and every PMS has a stated benchmark for exactly this reason.
Two things to ask for:
- Your own return, not the scheme's. This is called XIRR. It is simply the yearly return that accounts for when each of your rupees went in and came out.
- The benchmark's return over the same dates.
Put the two side by side. One year tells you very little, because every sound strategy has bad years. Three and five years tell you a lot.
4. What it costs you, in rupees
Costs are quoted in percentages because percentages look small. One percent sounds like nothing. On ₹2 crore it is ₹2 lakh, every year, whether the year was good or bad.
So convert everything into rupees: fund expense ratios, PMS fees, brokerage, the commission built into regular plans and insurance policies. Add it up for the year.
A cost is not bad because it is high. A skilled manager who earns the fee is worth paying. A cost is bad when you do not know it, because then you cannot ask what you got for it.
You are entitled to this number from everyone you deal with, us included. What we earn is published on our fees page, and shared in writing before any money moves.
5. What a bad year looks like, in rupees
Markets fall. Not often, but hard. So do the sum before it happens.
If the family holds ₹2 crore in equity and the market falls 30%, the statement shows ₹60 lakh less. Say that figure aloud. If you can live with it and wait, your portfolio fits you. If your stomach turns, you are holding more risk than you can carry, and you will sell at the worst moment.
Almost nobody is asked this question before they invest. It is the one that decides whether a plan survives its first bad year.
What measuring is not
Measuring is not checking your portfolio app every morning.
That is the opposite mistake. A daily price is noise. It tells you nothing about whether your plan is working, and it tempts you to act on a bad week. The quality thinker W. Edwards Deming warned about this decades ago: running an organisation on visible figures alone, he wrote, is one of management's deadly diseases.
Some things that matter will never fit in a spreadsheet. Whether your spouse knows where everything is. Whether your children will fight over it. Whether you sleep.
So the rule is narrow. Measure a few things that matter, on a schedule, and leave the rest alone. Five numbers. Four times a year. An hour each time.
What serious families do
India's wealthiest families do not have a secret product. They have a habit. In the UBS Global Family Office Report 2026, 68% of the 307 family offices surveyed had formal performance measurement in place.
A family office, stripped of the grand name, is mostly this: someone whose job is to keep the one page current, and a fixed date on which the family looks at it.
You do not need a family office to do that. You need the page and the date.
One evening this week
Start with one line, not the whole thing.
Take one fixed deposit receipt. Write three figures on it: the rate, minus your tax, minus inflation. That is your first measured number. It takes two minutes.
Then, when you have an evening, pull the consolidated mutual fund statement, the demat holdings and the list of deposits for the household, and build the one page.
The Five Numbers page
We have built the page for you. Fill in what you own and it works out all five numbers. What you type stays with you. We do not see it.
Prefer company while you do it? Bring the statements to us and we will build it with you. Our analysis engine, Nyra, does the counting, so the number of companies you really own is a fact and not a guess.
If the five numbers say everything is in order, you will know it, which is different from hoping it. If they say otherwise, you will know exactly where.
PMS Sahi Hai is a distributor of Portfolio Management Services and Alternative Investment Funds, APMI-registered (Registration No. APRN08358). This article is for education only and is not investment advice, a recommendation, or an offer to buy or sell any security. Investments in securities markets are subject to market risks; read all scheme-related documents carefully. Past performance is not indicative of future results. Consult your advisor before investing.

Ishaan founded PMS Sahi Hai to make India's PMS, AIF and GIFT City markets legible to serious investors, comparing every SEBI-registered manager on the same comparative basis, with no shelf products and no commission bias.
Frequently asked
How often should I measure?
Once a quarter is enough. Once a year, do a deeper review. More often than that and you start reacting to noise.
My statement shows a return. Isn't that my return?
Often it is the scheme's return, not yours. Ask for the XIRR on your own investments, which accounts for the dates your money actually went in.
Is a negative real return on my FD a reason to break it?
No. A deposit is the right home for money you need within a year or two, and for your emergency fund. The real return matters for money you will not touch for ten years.
I only have fixed deposits and a house. Is there anything to measure?
Yes, and it is the easy version. Your one page is short. The real return on each deposit, and how much of your wealth sits in one property, are two numbers worth an evening.
Where does PMS fit in this?
PMS is built for exactly this kind of measuring. The shares sit in your own demat account, so you can see every holding, and every strategy reports against a stated benchmark. It starts at ₹50 lakh, which is SEBI's minimum. Whether it suits you depends on numbers 1 and 5 above. How we look at managers beyond rankings explains the rest.
Can I do this myself?
Yes. Nothing here needs special software. It needs one evening and every statement on the table. Most people who come to us could have done it. They had not found the evening in ten years.
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