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How SIP Works: A Beginner's Guide

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Finance Team

12 Feb 2025

What is SIP?

SIP (Systematic Investment Plan) is a simple and disciplined way of investing in mutual funds where an investor invests a fixed amount of money at regular intervals, usually every month. Instead of investing a large sum at one time, SIP allows you to start with a small amount and build wealth gradually over the long term. It helps reduce the impact of market ups and downs through rupee cost averaging, as investments are made at different market levels.

How SIP Works

SIP (Systematic Investment Plan) works by investing a fixed amount of money at regular intervals, usually every month, into a selected mutual fund. On each investment date, your money is used to buy units of the mutual fund at the current market price. When the market is high, you get fewer units, and when the market is low, you get more units—this process is called rupee cost averaging and helps reduce market risk over time.

1. Rupee Cost Averaging

Rupee Cost Averaging is an investment concept used in SIP where you invest a fixed amount of money at regular intervals, regardless of market conditions. Because the investment amount stays the same, you automatically buy more units when market prices are low and fewer units when prices are high.

2. Power of Compounding

The power of compounding refers to the process where your investment earns returns, and then those returns themselves start earning additional returns over time. In simple terms, compounding means earning interest on interest. When you stay invested for a long period, the growth of your money accelerates because profits are reinvested instead of being withdrawn. In the early years, the growth may seem slow, but as time passes, the investment value increases rapidly due to compounding.

Benefits of SIP

The benefits of SIP (Systematic Investment Plan) make it one of the most preferred investment options for long-term wealth creation. SIP allows investors to start with a small amount and invest regularly, making it affordable and suitable for beginners. It promotes disciplined investing by encouraging a fixed investment habit every month.

  • Start with low amount (₹500)
  • Start with a low amount (₹500) is one of the biggest advantages of SIP. You don’t need a large sum of money to begin investing—most mutual funds allow you to start a SIP with as little as ₹500 per month. This makes SIP highly accessible for students, first-time investors, and salaried individuals. Even a small monthly investment can grow into a significant amount over time due to regular investing and the power of compounding. Starting with a low amount also helps build a consistent saving habit without putting pressure on your monthly budget, and as your income increases, you can easily increase your SIP amount to accelerate wealth creation.

  • No need to time the market
  • No need to time the market means that with SIP, you don’t have to worry about predicting the right moment to invest. Instead of trying to guess when markets will go up or down, SIP invests a fixed amount at regular intervals regardless of market conditions. When prices are high, you buy fewer units; when prices are low, you buy more units. Over time, this averages out your purchase cost and reduces the impact of short-term market volatility. This removes stress, avoids emotional decisions, and allows investors to focus on long-term goals rather than daily market movements.

  • Long-term wealth creation
  • Long-term wealth creation refers to the process of steadily growing your money over many years by staying invested and allowing time to work in your favor. SIP is especially effective for long-term wealth creation because it combines regular investing with the power of compounding, where returns start generating additional returns over time. In the initial years, growth may seem slow, but as the investment period increases, the value of the investment rises significantly. By investing consistently and staying invested through market ups and downs, SIP helps investors build substantial wealth over the long run, making it ideal for achieving major financial goals such as retirement, children’s education, or buying a home.

  • Lower risk over time
  • Lower risk over time means that SIP helps reduce investment risk when you stay invested for a longer period. Since SIP invests a fixed amount regularly, your money goes into the market at different price levels, which balances out the impact of short-term market fluctuations. This approach, known as rupee cost averaging, prevents the risk of investing all your money at the wrong time. As the investment duration increases, market volatility tends to smooth out, and the chances of earning stable returns improve. Because of this long-term approach, SIP is considered a relatively safer way to invest in equity-related mutual funds compared to one-time investments.

Example of SIP Growth

Suppose you invest ₹2,000 per month through SIP for 10 years in a mutual fund that gives an average annual return of 12%. Over 10 years, your total invested amount would be ₹2.4 lakh. However, because of regular investing and the power of compounding, the value of your investment can grow to around ₹4.5–5 lakh. The extra amount earned over your invested money is your return, which comes from market growth and compounding. This example shows how even a small monthly SIP, when continued consistently for a long period, can grow into a significant amount and help in long-term wealth creation.

Conclusion

SIP (Systematic Investment Plan) is a simple, disciplined, and effective way to build wealth over the long term. By investing a fixed amount regularly, SIP helps reduce market risk through rupee cost averaging and maximizes returns with the power of compounding. It removes the need to time the market, allows investors to start with a small amount, and promotes consistent investing habits. Over time, SIP can significantly grow your wealth and help you achieve important financial goals such as education, buying a home, or retirement, making it an ideal investment option for both beginners and experienced investors.