HOME
/
GLOSSARY
/
Systematic Investment Plan (SIP)

Systematic Investment Plan (SIP)

A Systematic Investment Plan is a method of investing in mutual funds where you commit a fixed amount at regular intervals, typically monthly, rather than deploying a large lump sum all at once. Your bank account is automatically debited on a predetermined date, and the amount is invested in the mutual fund scheme of your choice at that day's net asset value. The approach originated and remains most popular in India, where the Association of Mutual Funds in India has promoted it extensively since the 1990s as the primary gateway for retail investors into the equity markets.

Think of a Systematic Investment Plan like a recurring grocery delivery subscription: you commit to the purchase schedule, and the system handles the rest automatically.

How Rupee Cost Averaging Works

The core investment advantage of a Systematic Investment Plan is rupee cost averaging. Because you invest a fixed amount rather than a fixed number of units, you buy more units when the market is low and fewer units when the market is high. Over time, this averages down your per-unit cost below what you would pay if you tried to time a lump-sum entry.

For example, if you invest ₹1,000 per month and the net asset value in month one is ₹20, you receive 50 units. If the NAV drops to ₹10 in month two, your same ₹1,000 buys 100 units. Your 150 units cost ₹2,000, giving you an average cost of ₹13.33 per unit, below the ₹15 midpoint average of the two NAV prices.

The Role of Compounding Over Time

Systematic Investment Plans benefit dramatically from the power of compounding when maintained for long periods. Returns earned on your investment are reinvested into the same scheme, generating returns on returns over subsequent periods. A monthly investment of ₹1,000 at 8% annual returns over 25 years produces approximately ₹9.57 lakh on total contributions of only ₹3 lakh. That roughly 3x multiplication over 25 years illustrates why starting early matters far more than starting large.

Types of Systematic Investment Plans

Several variants of the standard monthly Systematic Investment Plan exist to address different financial situations.

  • Regular SIP: Fixed amount, fixed frequency, fixed period.
  • Perpetual SIP: Fixed amount and frequency with no end date. Continues until you cancel.
  • Step-up SIP: The investment amount increases automatically at set intervals, typically annually, to keep pace with income growth and inflation.
  • Flexible SIP: Allows you to vary the amount based on cash flow in a given period without stopping the plan.

Practical Limitations

Rupee cost averaging does not protect you from sustained bear markets. If the fund declines steadily over several years, you are buying units every month into a falling market, and the mathematical benefit only materializes if the fund eventually recovers. Systematic Investment Plans work best when held for five years or more across full market cycles. Missing three consecutive payments typically triggers automatic cancellation of the plan, requiring you to restart the process.

Sources:

  • https://en.wikipedia.org/wiki/Systematic_investment_plan
  • https://groww.in/p/sip-systematic-investment-plan
  • https://www.amfiindia.com/investor/become-mf-distributor?zoneName=sip
About the Author
Jan Strandberg is the Founder and CEO of Acquire.Fi. He brings over a decade of experience scaling high-growth ventures in fintech and crypto.

Before founding Acquire.Fi, Jan was Co-Founder of YIELD App and the Head of Marketing at Paxful, where he played a central role in the business’s growth and profitability. Jan's strategic vision and sharp instinct for what drives sustainable growth in emerging markets have defined his career and turned early-stage platforms into category leaders.
Buy and sell secondaries
Trade SAFT, SAFE notes, locked tokens, and other digital assets in the public Secondaries and OTC marketplace
Acquire a frontier tech business
Browse our curated list of frontier tech businesses and projects available for acquisition; including revenue-generating crypto platforms, DeFi projects, and licensed financial organizations.