7 things to know before you start or stop an SIP

SIP investing

• SIPs allow investing with small amounts and offer flexibility for all investors
• SIPs are not risk-free; returns depend on market performance and fund choice
• Long-term, consistent SIPs and gradual increases can significantly boost returns

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Systematic investment plans (SIPs) are one of the most popular ways Indians invest in mutual funds. The growing appeal is reflected in the numbers —  in December alone, investors poured in a record Rs 31,002 crore into SIPs.

While SIPs are designed to be simple and convenient, understanding how they work can have a meaningful impact on your long-term returns and investing experience.

Here are 7 important things that every investor should know before putting their money to work in SIPs.

1 SIPs are not risk free

A common misconception is that investing through SIPs somehow reduces risk. It doesn’t. SIP is simply a way of investing regularly, it does not change the nature of the mutual fund. Since mutual funds invest in equity and debt markets, SIP investments are also exposed to market ups and downs.

There are no guaranteed returns with SIPs. What matters more is choosing the right fund based on your goals, time horizon and risk appetite. SIPs can help manage volatility but can't eliminate market risk.

“There is also a belief that large-cap SIPs are always safer and less risky. While large caps offer stability, data shows that mid-cap SIPs have also delivered high average returns while still maintaining strong consistency. Hence, investors are advised to maintain a balanced exposure to all market caps in their portfolio,” Shweta Rajani, mutual fund head, Anand Rathi Wealth said.

2 You don’t need a large amount to get started

One of the biggest advantages of SIPs is accessibility. You can start investing with as little as Rs 500 a month and gradually increase the amount as your income grows.

Equally important, SIPs are flexible. If you’re facing a temporary cash crunch, you can pause or skip installments without penalties, even though experts suggest against it. This makes SIPs suitable for first-time investors and those with fluctuating incomes.

3 Time and compounding do the heavy lifting

SIPs work best when given time. The real power comes from compounding, where your returns start earning returns of their own.

“Many investors expect SIPs to deliver stable returns even over short periods. In reality, short-term SIP outcomes can vary sharply and may even be negative. However, as the investment horizon extends, outcomes become far more consistent. Over 10 to 15 years, SIPs have delivered positive returns almost all the time, with a very high probability of double-digit outcomes. SIPs are therefore meant for long-term wealth creation, not short-term comfort,” Rajani said.

A monthly SIP of Rs 1,000 for 20 years at 12 percent annual returns, for instance, can grow to roughly Rs 9.9 lakh. Extend the same SIP by five more years and the corpus almost doubles to about Rs 18.9 lakhs.

The lesson is simple: starting early and staying invested often matters more than starting with a big amount.

4 SIPs work well during market volatility

Market volatility is often seen as a risk, but for SIP investors, it can be an advantage. Suppose you buy oranges worth Rs 1,000 every day for 5 days.

• On Day 1, if the price is Rs 200 per kg, you get 5 kg.
• On Day 2, the price falls to Rs 150 per kg, and you get 6.7 kg.
• Day 3: Price rises to Rs 230 per kg, you buy 4.3 kg
• Day 4: Price drops to Rs 185 per kg, you buy 5.4 kg
• Day 5: Price moves up to Rs 225 per kg, you buy 4.4 kg

Even though oranges prices moved up and down during the five days, your average purchase price works out to about Rs 193 a kg, much lower than the current market price of Rs 225.

SIPs work in a similar way. When markets are high, the same SIP amount buys fewer mutual fund units. When markets fall, it buys more units. Over the long term, this process helps average out the cost of buying units, a concept known as rupee cost averaging, which can improve returns when markets recover.

5 Consistency matters more than you think

SIPs are not designed to deliver quick gains. They reward discipline. Missing instalments may seem harmless in the short term, but over long periods, the impact can be significant.

Consider this, you start a Rs 20,000 monthly SIP for 20 years in an equity fund earning 12 percent annually. Staying fully invested could potentially create a corpus close to Rs 2 crore.

However, if you had skipped only 1 SIP every year in this 20-year period, that means, you invested around 2 lakh less during these 20 years, but, your total corpus would have fallen by almost 40 lakhs.

This is why pausing SIPs should be a well-thought-out decision, not a reaction to short-term market noise.

6 SIPs help you stay invested without timing the market

In theory, the best way to earn high returns is to invest at market lows and exit at market highs. In reality, consistently timing the market is nearly impossible.

SIPs offer a practical alternative by spreading investments across different market levels. By investing regularly and staying invested over long periods, the risk of earning zero or negative returns reduces significantly. Rajani adds, “Stopping or pausing SIPs has negatively impacted investors in a big way. Investors who continued their SIPs through market downturns have consistently seen better long-term outcomes.”

Consider this example. Anand Rathi Wealth examined 180 investors who started SIPs in the Nifty 50 at different points between April 2005 and February 2025. About 22 percent of these investors recorded losses in the first year, including 8 percent whose investments fell by more than 20 percent.

However, investors who stayed invested saw their returns recover over time. Those who suffered losses of over 20 percent in the first year went on to earn an average return of 11.78 percent over the next five years, while investors with smaller initial losses earned around 12.89 percent over the same period.

“The idea is simple. SIPs need time to work through market cycles, and judging them too early can lead to wrong decisions,” Rajani said.

So, instead of trying to time the market, SIPs encourage investors to give time to the market, which has historically been a more reliable approach.

7. Increasing your SIP can significantly boost returns

A regular SIP is powerful but a step-up SIP, where you increase your investment gradually, can make an even bigger difference.

For instance, a monthly SIP of Rs 5,000 in a mutual fund earning 12 percent annually can grow into a corpus of roughly Rs 50 lakh in 20 years.

Now consider a small change. Instead of keeping the SIP amount constant, if you increase it by 10 percent every year, the outcome changes dramatically. That means investing Rs 5,000 per month in the first year, Rs 5,500 in the second, Rs 6,050 in the third, and so on.

With this gradual increase, the same SIP can grow into a corpus of around Rs 1 crore over 20 years.

The takeaway is simple: small annual increases, often in line with salary hikes, can compound into a much larger corpus without putting sudden pressure on monthly finances.