What is the 8-4-3 Rule of SIP?

The 8-4-3 rule is a conceptual framework that can help demonstrate the potential impact of long-term compounding. It helps investors understand how regular investments may potentially grow your wealth exponentially over time. Let's understand this rule in detail.

8-4-3 Stages of Investment Growth

An SIP allows your investment to potentially grow through the power of compounding. Under the growth option of mutual fund schemes, any earnings are reinvested into the same scheme, with an aim of wealth creation. Hence, the longer you remain invested, the greater the possible compounding effect.

The 8-4-3 rule divides SIP investment growth into three distinct stages over 15 years, at a fixed, assumed rate of return.

Initial Growth Phase (Years 1-8)

In the first 8 years, the investor makes a disciplined and steady investment via SIPs and continuing SIPs allow compounded gains to accumulate.

This phase lays the foundation for exponential growth later by harnessing the power of compounding.

Accelerated Growth Phase (Years 9-12)

In the next 4 years, compounding starts picking up momentum. Your investment corpus may potentially double during this phase if the assumed rate of return remains the same.

Exponential Growth Phase (Years 13-15)

In the final 3 years, under the assumed return scenario, the compounding effect may become more visible and may significantly increase the corpus value, causing your investment to nearly double again compared to the previous 4 years.

Power of Compounding in 8-4-3 Rule

The 8-4-3 rule highlights the immense power of compounding over long investment horizons.

Compounding is the process where earnings from an investment add to the corpus invested, and start generating their own earnings. The returns earned get reinvested to appreciate capital.

For example, if Rs. 100 grows at 10% to become Rs. 110 in one year. In the next year, the Rs. 110 grows at 10% to become Rs. 121.

The earnings (Rs. 10) from the first year also grew at 10% to become Rs. 11. This reinvesting of earning on earning is compounding.

Under the 8-4-3 rule, compounding potentially causes exponential growth in the last few years. The earnings accumulated until the 12th year rapidly build on each other, possibly creating enormous growth.

Let's see an example to understand the mechanics of compounding under this rule.

Example of Compounding in 8-4-3 Rule

Let’s see an example, based on the following assumptions:

• Monthly SIP contributions are made regularly without interruption.

• Investments remain invested throughout the entire period.

• A hypothetical annualised return of 12% is assumed solely for illustration purposes.

• Actual returns may vary depending on market conditions, fund performance, expenses, and investment tenure.

• The 8-4-3 rule is a conceptual framework to explain the potential impact of long-term compounding and does not guarantee any specific investment outcome.

Example: Ramesh starts a monthly SIP of Rs. 5,000 in an equity fund, expecting 12% average annual returns. Here is how his investment would grow over 15 years.

Phase	Time Period	Invested	Value at End	Gain
Phase 1	0–8 years	Rs. 4,80,000	Rs. 7,66,600	Rs. 2,86,600
Phase 2	9–12 years	Rs. 2,40,000	Rs. 15,45,730	Rs. 7,79,130
Phase 3	13–15 years	Rs. 1,80,000	Rs. 24,35,150	Rs. 8,89,420
Total	15 years	Rs. 9,00,000	Rs. 24,35,150	Rs. 15,35,150

 

This demonstrates the exponential effect of compounding and how it can accelerate wealth creation in the long run.

Key points:

• Ramesh invested Rs. 9 lakh over 15 years via SIP.

• He earned Rs. 15.35 lakh in returns, taking his total wealth to Rs. 24.35 lakh.

• Over 58% of the total wealth was built in the last 7 years (Phases 2 + 3) — highlighting the power of compounding.

Benefits of 8-4-3 Rule of SIP Investing

1. Power of Compounding: The rule highlights how compounding can make investments grow exponentially over time. Small, regular investments can grow quite large in the long run.

2. Importance of Time: Starting SIP early allows your investment to benefit from compounding over a longer horizon. The more time invested, the greater the compounding effect.

3. Rupee Cost Averaging: Fixed, periodic investments help average out purchase costs and reduce market timing risks. More units are bought when prices are low.

4. Long-Term Orientation: The focus is on long-term wealth creation by mitigating short-term volatility. Commitment and consistency are encouraged.

5. Flexibility: SIP allows investment in different mutual fund categories - equity, debt, hybrid, solution-oriented, etc. based on changing needs.

6. Low Investment Amounts: SIP instills financial discipline as small sums can be invested regularly. High potential returns are possible without large capital.

7. Automatic Investments: SIP sets up automated, hassle-free investments on periodic dates. No manual intervention is required after setting up the mandate.

How to Grow Rs. 1 Crore Using the 8-4-3 Rule?

The 8-4-3 rule provides an illustration of how wealth can be accumulated through SIP investing over the long term. Let's see how you may potentially grow Rs. 1 crore by investing just Rs. 21,250 monthly through SIP.

Rahul starts a monthly SIP of Rs. 21,250 in an equity fund when he is 25 years old. Assuming 12% average annual returns, here is how his investment may grow over 15 years.

• End of 8 years: Rs. 34 lakh

• End of 12 years: Rs. 68 lakh

• End of 15 years: Rs. 1.06 crore

Phase	Time Period	Investment	Value at End	Gain in Phase
Phase 1	0–8 years	Rs. 20,40,000	Rs. 32,20,925	Rs. 11,80,925
Phase 2	9–12 years	Rs. 10,20,000	Rs. 64,97,949	Rs. 32,77,024
Phase 3	13–15 years	Rs. 7,65,000	Rs. 1,02,50,621	Rs. 37,52,672
Total	15 years	Rs. 38,25,000	Rs. 1,02,50,621	Rs. 64,25,621

This shows how the power of compounding accelerates over time, especially in the last 7 years (Phase 2 + Phase 3), where more than 50% of the total value is generated. Rahul was able to create this large corpus by investing an affordable amount annually through his SIP. But due to compounding, his investment grew exponentially in the last few years.

Strategies to Maximise Returns with 8-4-3 Rule

1. Start SIP early: Begin investing as soon as possible to allow more time for compounding to act.

2. Increase SIP amount: Gradually increase your SIP amount annually by 10-20% as your income grows.

3. Give time: Stay invested for at least 15 years to benefit from the three growth phases.

4. Reinvest gains: Do not withdraw gains prematurely. Reinvest them to compound your earnings.

5. Review investments: Review your portfolio occasionally and rebalance if needed. But avoid frequent churn.

6. Long-term focus: Have patience and remain invested during volatile markets to allow long-term growth.

7. Choose funds wisely: Invest across equity, debt, and hybrid funds to balance your portfolio.

Summing Up

Small, consistent investments through SIP may grow exponentially later owing to compounding and accumulate wealth. The key is to start early, stay invested, increase SIP amounts regularly, and reinvest gains. Equity funds may be relatively more suitable for harnessing the 8-4-3 rule given their growth potential over the long run.

 

Disclaimer: The 8-4-3 rule is a conceptual illustration of the potential impact of compounding through long-term SIP investing and should not be construed as a promise, guarantee, or projection of returns. All calculations and examples in this article are based on hypothetical assumptions, including a fixed annualised return rate, and are intended solely for educational purposes. Actual returns may vary and investors should consult their financial advisors before investing. Any action taken on the basis of the information contained herein is not intended as an offer or solicitation for the purchase of any schemes of UTI Mutual Fund.

The Assumed rate of returns 12% are for illustration purpose only and for equity oriented scheme. The Calculations are not based on any judgement of future return of the equity market/sectors or of any individual security and should not be construed as promise on minimum returns and/or safeguard of capital. Please contact your financial advisor before taking any investment decision. Past performance may or may not be sustained in future and is not a guarantee of any future return. Mean of 10-year rolling returns between 01/06/13 and 30/05/23 for Sensex: 12.64%; Nifty 50: 12.93%, Nifty 500- 12.80%.

Mutual Fund investments are subject to market risks, read all the scheme related documents carefully.