What happens if you stop SIP and don't withdraw the money?

Summary: Most of us have done this at least once, including me. We start an SIP with full discipline, stop it a few years later for some reason… and then forget about the money already invested. That little orphaned corpus sits there silently for years, neither redeemed nor nurtured. So, what really happens to such forgotten investments? Do they work for us, or against us? Or do they fall somewhere in between? Let’s find out…

Most of us have done this at least once. I certainly have.

You start an SIP with the right intentions, stay disciplined for a few years… and then suddenly stop it. Maybe the fund began underperforming. Maybe a new “top-rated” fund caught your eye. Maybe life simply got in the way.

However, many times, when we stop the SIP, we rarely withdraw the money already invested. It just sits there. We tell ourselves we’ll “deal with it later”. Months pass. Then years. Eventually, that investment, part neglected step-child, part forgotten treasure, continues to live its own quiet financial life.

That’s because the psychology of SIPs is messy:

• You stop SIPs in an underperforming fund, but inertia prevents you from exiting completely.
• You may be waiting for “better NAV levels” or “a good market to redeem”.
• Selling involves thinking about taxes, so you defer the decision.
• Or, most commonly, you simply forget about it after starting a fresh SIP somewhere else.

But does this forgotten money grow, shrink or stagnate?

Let’s take a real, simple story.

Scenario 1: The SIP stops, but the money stays invested

Meet Alia.

She invests Rs 15,000 each month for five years, then stops the SIP in her underperforming fund and never adds another rupee. At the time she stops, her corpus is Rs 12.3 lakh, assuming the fund grew at 12 per cent annually.

Now, here’s what happens if she does nothing and lets compounding take over:

• After five more years, her Rs 12.3 lakh becomes Rs 21.6 lakh.
• After 15 years, it becomes Rs 67.3 lakh.

Think about that for a moment. She stopped investing completely, and yet her money grew over fivefold in just 15 additional years.

That’s compounding in its purest form, returns earning returns, without her lifting a finger.

What if she had withdrawn the Rs 12.3 lakh?

Let’s imagine Alia panicked, exited the fund, and simply kept the money with her.

If inflation grows 5 per cent annually, her money’s real value after 15 years would shrink to about Rs 6 lakh.

This is the silent tax that erodes every idle rupee. That’s the difference between money compounding for you and inflation compounding against you.

What if she withdrew and shifted the money to an FD?

Alia might also think, “Markets are too volatile. Let me just put it in a fixed deposit.”

At 7 per cent FD returns, her Rs 12.3 lakh becomes Rs 33.9 lakh in 15 years.

Better than holding cash, yes. But only half of what she would’ve earned by staying in the market (Rs 67.3 lakh).

And remember, this does not include taxes. FD interest is taxed every single year, eating a portion of her returns annually, unlike with equity and equity mutual funds, where long-term gains are far more tax-efficient.

Scenario 2: She continues with her SIP

Alia invests Rs 15,000 per month through an SIP for five years. By then, her fund has grown at 12 per cent annually, giving her a corpus of Rs 12.3 lakh. But unlike the earlier scenario, she doesn’t just stop and walk away. She keeps investing in the fund through her SIP. 

Here’s how her wealth can grow, assuming the investment continues to grow at a 12 per cent annualised rate:

• After 10 years, she can have Rs 34.8 lakh.
• After 20 years, her corpus can swell to Rs 1.5 crore.

This comparison completely changes the picture.

In Scenario A, Alia’s untouched corpus quietly compounds to Rs 67.3 lakh over the long term, which is impressive on its own. But Scenario B demonstrates something far more powerful. When you stay invested and continue your SIP, your wealth doesn’t just accumulate, it accelerates. In fact, you end up saving more than double at Rs 1.5 crore.

That’s the difference between letting compounding work for you, and actively partnering with it.

The last word

Stopping your SIP but keeping the money invested will still put you miles ahead of pulling out the money or shifting it to an FD. Equities reward patience, even when your contribution stops.

But nothing comes close to the outcome you get when you stay invested and continue your SIP. It is the single most reliable way to shift from “growing your money” to transforming your wealth.

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This article was originally published on November 29, 2025.