Your mutual fund is underperforming. When should you sell?

Summary: An underperforming mutual fund can test even the most disciplined investor. Exit too early and you may regret it. Hold on for too long and you risk silent underperformance. So how long should you really wait, and when does switching actually make sense?

You started the SIP with conviction. You stayed invested through market ups and downs. And yet, month after month, the fund trails its peers, or worse, the index. The temptation to act is strong. But acting too soon can be as damaging as acting too late.

The uncomfortable truth is this: mutual fund underperformance is not an exception but a norm at some point in every fund’s life. Even the best-managed funds go through dull or difficult phases. The real challenge for investors is knowing when underperformance is worth tolerating and when it deserves action.

Short-term underperformance is not a sell signal

The first mistake investors make is treating short-term underperformance as a verdict.

Markets move in cycles. Fund styles fall in and out of favour. A fund that looks pedestrian over six months or even a year may simply be navigating a phase where its investment approach is out of sync with the market mood. That, by itself, is not a reason to exit.

Selling at the first sign of lag often results in a familiar pattern: exiting just before performance revives and re-entering elsewhere after returns have already improved. This is not risk management, but performance chasing in disguise.

So, how long should you wait?

While there is no universal rule, time is a crucial filter.

As a starting point, underperformance should be evaluated over at least one year, not a few months. And that underperformance should be judged meaningfully, not in isolation. A sensible comparison involves:

• The fund versus its category average
• The category versus its benchmark index

If a fund has underperformed the category average for over a year, and the category itself has struggled to match the index, it is worth taking a closer look. This does not automatically mean you should sell, but it does mean the fund has earned a review.

If, after a year, performance remains weak, the next step is not immediate exit, but reassessment. Has the gap widened? Has performance meaningfully deteriorated? Or is it broadly in line but still unimpressive?

Only after giving a fund a full market cycle, or at least one to two years of persistent underperformance, does switching become a reasonable consideration.

Why does the same rule not apply to all funds

This is where many investors go wrong.

Not all mutual funds deserve the same patience. Some categories are inherently cyclical. Others are far more sensitive to economic or market structure changes. A temporary slowdown in one category may be routine, while in another it could signal a deeper problem.

Similarly, fund strategies differ. Some funds are designed to look different from the index and peers. That difference will inevitably show up as periods of underperformance. Judging such funds by short-term relative returns misses the point of why you invested in them in the first place.

In other words, time alone is not enough. Context matters

The real risk: reacting without a framework.

The biggest danger is not holding an underperforming fund for too long. It is making decisions without a clear framework.

Selling too early locks in disappointment. Holding on indefinitely without review creates portfolio clutter and silent underperformance. Neither outcome is desirable.

SIPs were never meant to be mechanical autopilots. They were meant to bring discipline to investing and not to suspend judgment altogether.

Need help deciding what to hold and what to let go?

If you are unsure whether your underperforming fund reflects a temporary phase or a deeper issue, help is close at hand. In the Fund Advisor Live session on January 31, 2026, Dhirendra Kumar and his team will break this down in detail, exclusively for Value Research Fund Advisor subscribers.

In 60 minutes, you will learn:

• What to check before taking any action and what to ignore
• How to separate temporary underperformance from real fund problems
• When switching makes sense and when it amounts to performance chasing
• How to make changes cleanly without cluttering your portfolio

The session will conclude with a live Q&A, allowing you to put your questions directly to the experts.

Please note that this session is available only to active Fund Advisor subscribers. If your subscription is not active, you can restart it now to secure your seat.

Join Fund Advisor

This article was originally published on January 23, 2026.