Mutual fund star rating dropped? Here is what you should actually do

A rating downgrade is a signal to investigate, not a reason to sell your mutual fund in a hurry

You opened your investment app on a quiet Sunday morning, and the fund you chose carefully last year has gone from five stars to three. Your stomach dropped. That feeling is normal, and it is also the exact moment most investors make a mistake. A rating change is not a sell order. It is a question worth asking calmly. This video with Dhirendra Kumar walks through the complete framework, starting with what the rating actually measures and ending with a star-by-star guide for deciding whether to hold or exit. If you want to understand how the methodology works before reading further, this explanation of why Value Research changes a fund's rating covers the mechanics clearly.

The Value Research star rating was first built in 1993. It has been refined continuously over the 33 years since. It does not measure return alone. It measures risk-adjusted performance relative to other funds in the same category. A fund that grows from 10 rupees to 20 rupees but swings sharply up and down along the way earns a lower rating than one that reaches the same destination more steadily. This is the core of what you are reading when you see three stars instead of five.

The rating is recalculated every month on a rolling basis, meaning it looks at the past 36 months and the past 60 months simultaneously. The oldest month exits the window. The newest month enters. In most months, this movement is gradual. A dramatic one-step drop from five stars to three is unusual precisely because it takes several unusual months arriving or leaving together to shift the number that far. So if you see it happen, the rating is telling you something worth hearing. But it is not telling you to run.

What each star change actually means and when you should worry

Think of it like getting a periodic health check. A slightly elevated reading does not mean you are unwell. It means look closer. The action you take should match the size of the change, not simply react to the fact that any change occurred.

Five-star to four-star: do nothing. The fund is still in the top third of its category. This kind of movement happens regularly, even in very good funds.

Four-star to three-star: keep a watchful eye. Go to Value Research Online and look at two things. First, is the risk grade moving higher? Second, are the trailing returns over three years and five years falling behind peers by a meaningful margin? If the gap is small, there is likely nothing structural happening. You are seeing normal statistical noise.

Three stars to two stars: this is the level to take seriously. The fund has entered the bottom third of its category. Look at the portfolio. Has there been a fund manager change? Has the fund grown very large, very quickly, making it harder to move nimbly? Value Research analysts publish notes on funds when they observe something unusual in the portfolio. Read them. If you see no obvious cause after three to six months of monitoring, that itself is information.

One star: exit is a reasonable conclusion. A one-star fund has persistently underperformed its peers on a risk-adjusted basis. The case for staying needs to be made actively, not assumed.

A steady slide from five to four to three over successive months is more concerning than a single sharp drop. A single sharp drop can often be explained by one or two unusual months rotating in or out of the rolling window. A steady decline suggests something structural is changing. This piece on what to do when your fund's star rating has dropped looks specifically at how fund age affects the right holding period before making a decision.

Why XIRR alone is not enough when monitoring your fund's performance

When your fund slips in the ratings and you want to check whether the concern is real, most investors look at XIRR and stop there. XIRR is a useful number, but it is not the right tool for this particular question.

XIRR is the right metric for measuring your personal return on your own investments. It accounts for the fact that you invested 5,000 rupees three years ago, added 10,000 rupees a year later, and are now putting in 25,000 rupees every month via SIP. Each of those amounts has been working for a different length of time. XIRR captures that correctly. Your Value Research Online portfolio, once set up with your actual transactions, shows you this number updated to every new NAV.

Rolling return is the right metric for comparing funds against each other. It does not measure a fixed period starting on one calendar date. Instead, it asks: if you had invested in this fund for one year beginning on any day over the past five years, what range of returns would you have seen? That range tells you how consistent the fund is, and how dependent its apparent performance is on a lucky entry or exit point.

Trailing return, the one-year, three-year, or five-year number you see on fund pages, is useful for a quick side-by-side comparison at a moment in time. It is not robust enough to act on alone, because it is completely sensitive to whatever happened on the specific date you are looking for. A fund could show a strong three-year trailing return simply because the market happened to be low exactly three years before today.

When a rating drops, use all three in combination. Your XIRR tells you how you personally are doing. The trailing return tells you how the fund looks against peers right now. The rolling return tells you whether that picture is consistent or a temporary outlier.

Before you decide to exit a downgraded fund: what to check

Do not exit in a hurry. The cost of acting too fast is real, and it compounds.

If you have been running a SIP for five or seven years, you are sitting on gains from multiple market cycles. Those gains carry tax implications. Short-term capital gains are taxed at 20 per cent. Long-term capital gains above one lakh rupees a year are taxed at 12.5 per cent. Every redemption triggers this. If the fund is underperforming by a small margin, the tax cost of switching may outweigh the performance benefit for years.

This does not mean you should never exit. It means the decision to exit needs to be strong enough to justify the cost. A four-star fund that slipped to three is rarely that case. A one-star fund that has been sliding for twelve months with no improvement in portfolio quality is a stronger case.

Your personal cash flow situation also matters. If you need the money for a goal that is now near, the fund's rating is secondary. Take the money out because the goal requires it, not because a number changed. If the money is genuinely long-term, give the fund the time the methodology is designed to require before concluding.

Frequently asked questions about mutual fund star rating changes

What does a mutual fund star rating actually measure?

The Value Research star rating measures risk-adjusted performance relative to other funds in the same category and is recalculated monthly. It does not measure raw return alone. A fund that earns high returns by taking very high risk earns a lower rating than one that earns slightly lower returns with significantly less volatility. The rating has been built and refined since 1993. It covers the past 36 months and 60 months on a rolling basis, so no single good or bad month changes it dramatically.

Should I exit my fund if its star rating drops from five to three?

A drop from five stars to three stars is unusual given how the rolling methodology works, but it is not automatically a reason to sell. The right response is to investigate, not to act in a hurry. Check whether the fund's performance gap against peers is large or small, look at the portfolio for structural concerns, and give a fund with a strong long-term record at least a year before drawing a conclusion. Exiting without this check risks paying unnecessary tax and missing a recovery.

What is the difference between XIRR and rolling return for mutual funds?

XIRR is for measuring your personal return across uneven cash flows, like a SIP where you invest different amounts at different times. Rolling return is for comparing one fund against another, because it removes the distortion of a specific start or end date. Use XIRR to understand what you personally earned. Use rolling return and trailing return when deciding whether your fund is genuinely underperforming peers.

How does the Value Research rating methodology use risk?

The rating captures both how much a fund falls relative to its peers and how often it falls. Investors react very differently to a 14 per cent loss and a 30 per cent loss. The methodology is designed to capture that asymmetry, not just average returns. Risk data, including the risk score and risk grade for every fund, is available on Value Research Online and is updated continuously.

Can a mutual fund recover from a two-star or three-star rating?

Yes. Rating changes on a rolling window mean a fund that had a difficult period can recover as those months leave the calculation window. A slip to three stars over a few months is not a permanent verdict. A fund with a 15 to 20-year track record that slips temporarily deserves more time than a younger fund with only four or five years of history. A younger fund that drops quickly to two or three stars needs closer monitoring over three to six months.

How do I know if a rating drop reflects something real in the portfolio?

The clearest signal is whether the fund's performance gap against its peers is large and widening, and whether something structural has changed in the portfolio. Value Research analysts publish notes on funds where they observe portfolio-level concerns. A change in fund manager, a sharp increase in fund size, or a shift in investment style are the kinds of changes that show up in these notes. Check the portfolio page on Value Research Online and look for these notes alongside the risk grade data.

Is it ever worth staying in a one-star fund?

A one-star fund has consistently underperformed on a risk-adjusted basis, and the case for staying needs to be actively argued, not assumed by default. The main reason to pause before exiting is your own tax and cash flow situation. If you are sitting on large long-term gains, calculate the tax cost before switching. If the money is needed soon for a real goal, take it out regardless of rating. If neither applies and the fund has been at one star for an extended period with no recovery in sight, exiting is a reasonable conclusion.

If this raised more questions about which funds are worth holding, the SIP calculator lets you see how different return assumptions affect your actual goal corpus over time. For a broader review of your portfolio across all funds and asset classes, free investment reports from Value Research are a good starting point.

Disclaimer: This page is based on a video by Dhirendra Kumar, founder of Value Research, who has tracked Indian markets since 1992. Value Research is an independent, SEBI-registered investment research platform. This content reflects the video's analysis and is not a personalised investment recommendation.