What Is a Perpetual SIP?
When you start a SIP, the form usually asks for a start date and an end date. Many investors leave the end date blank or choose an option like "until cancelled". That creates a perpetual SIP: a SIP with no fixed end date, which keeps running every month until you decide to stop it. It sounds like a small detail, but it can make a real difference to long-term investing, because the most common reason good SIPs end is simply that their tenure ran out and nobody renewed them. This page explains what a perpetual SIP is, how it compares with a fixed-tenure SIP, and when each makes sense. Myfolios is an AMFI-registered mutual fund distributor (ARN-145870) working from Indore since 2014.
- A perpetual SIP has no fixed end date and runs until you stop it.
- A fixed-tenure SIP stops automatically after a chosen period.
- Open-ended SIPs suit long-term goals like retirement.
- You can stop or pause it any time, without penalty from the SIP itself.
How it works
When registering a SIP, you choose a start date and either leave the end date open, select "perpetual", or choose a far-off default date set by the fund house. The SIP then debits your account every month on the chosen date, year after year, until you cancel it.
What a fixed-tenure SIP is
In a fixed-tenure SIP, you choose how long it runs, for example three, five or ten years. When the last instalment is done, the SIP stops automatically. Your units stay invested, but no new money goes in unless you start a fresh SIP.
Our post on what happens when SIP tenure ends explains this.
Side by side comparison
| Point | Perpetual SIP | Fixed-tenure SIP |
|---|---|---|
| End date | None, or a far default date | Chosen by you |
| Stops by itself | No | Yes |
| Best for | Long or open-ended goals | Goals with a fixed date |
| Risk of forgetting to renew | None | Yes |
| Can stop early | Yes | Yes |
Why an open end date helps long-term investors
Many investors choose a short tenure without much thought. When it ends, they do not notice, and years pass without investing. For a goal like retirement, those missed years are costly. A perpetual SIP removes that risk: it keeps going until you make a conscious decision to stop.
Our page on long-term investing explains why time matters.
When a fixed tenure makes sense
If you are saving for a goal with a clear date, like a child admission in seven years, a fixed tenure that ends a little before the goal can be neat. You may also want to stop equity SIPs a few years before the goal and move money to steadier funds.
Our page on how long to continue a SIP discusses timing.
You can stop it any time
"Perpetual" does not mean locked in. You can cancel or pause the SIP whenever you want through the fund house, registrar, platform or distributor. There is no penalty for stopping the SIP itself, though selling units may involve exit loads depending on the fund.
Our pages on pausing a SIP and exit load explain the details.
The mandate needs to match
An open-ended SIP needs a bank mandate that is valid for a long period, often "until cancelled". If the mandate has an earlier end date, debits will fail once it expires. Check the mandate end date when registering.
Our page on NACH mandates explains how mandates work.
Combine with a step-up
It keeps running at the same amount unless you change it. Adding a step-up feature, or raising the amount each year, ensures your investing grows with your income.
Our page on step-up SIP explains how.
Review every year
Because it runs on its own, it is easy to forget. Review it once a year: is the fund still suitable, is the amount right for your goals, and is the goal still on track?
Our page on reviewing your portfolio explains what to check.
What if you change banks?
Like any SIP, it is tied to a bank mandate. If you change bank accounts, register a new mandate before closing the old account, or the SIP will start failing.
Our post on what happens to a SIP if your bank account is closed explains the steps.
Retirement: the classic use
Retirement is the classic goal for a SIP with no end date. You keep investing through your working life, then gradually shift to steadier funds as retirement nears, and finally stop the SIP and perhaps start a systematic withdrawal plan.
Our pages on investing for retirement and SWP explain both phases.
Common questions
Investors often ask whether an open-ended SIP earns more than a fixed one. The fund and the time invested decide returns, not the label. It simply helps you stay invested longer by default. Others ask whether it can be converted; you can usually stop a fixed SIP and register a perpetual one in the same fund.
Who it suits
- Young earners investing for retirement or wealth creation.
- Anyone who tends to forget renewals.
- Investors with open-ended goals.
- Those who want investing to be a permanent habit.
How to choose this option
On most SIP forms and apps, you will see an end date field. Leave it blank, select "until cancelled", or pick the longest option offered. Some fund houses set a default far-future date, which works the same way. If you invest through a distributor, simply ask for the SIP to run without an end date.
Changing an existing SIP
If you already have a SIP with a fixed end date, you usually cannot just extend it. Instead, let it finish, or stop it, and register a new SIP in the same fund without an end date. Your existing units stay where they are. Plan the switch so there is no gap in instalments.
Avoid the "set and forget forever" trap
No end date does not mean no attention. Funds change managers, goals shift and your income grows. A yearly review keeps the SIP aligned with your plan. Think of it as automatic investing with a yearly check-up, not investing you never look at.
Our post on forgetting a SIP for ten years shows both sides.
Pausing instead of stopping
If money is tight for a few months, many fund houses let you pause a SIP rather than cancel it. The SIP then restarts automatically after the pause. This keeps your long-term habit alive through a temporary rough patch.
The short version
- Perpetual SIP: no end date, runs until you stop it.
- Fixed SIP: stops after a chosen period.
- Perpetual suits long-term goals.
- Check the mandate and review yearly.
We are distributors rather than investment advisers and we recommend no schemes. If you want help setting up or converting a SIP, get in touch.
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