Founder, Underpitch · Source review includes AMFI, SEBI, NSE, RBI, IRDAI, exchange, company or insurer documents where relevant.
2 July 2026
A SIP gap is the difference between the monthly investment mathematically required for a financial goal and the SIP amount currently being invested toward it. For example, if a goal needs ₹15,000 per month but the current SIP is ₹9,000, the SIP gap is ₹6,000. The figure changes when the goal, period or return assumption changes.
Key points
- A SIP gap is a planning estimate, not a product recommendation.
- Wrong goal values or optimistic returns can make the gap misleading.
- Existing investments earmarked for the goal should be included.
- The gap should be reviewed after salary, goal or market-assumption changes.
How a SIP gap is calculated
First estimate the future value of the goal after inflation. Then subtract the future value expected from investments already earmarked for that goal. The remaining amount is converted into a required monthly SIP. The difference between that figure and the current SIP is the gap.
Why one combined SIP gap can be dangerous
Different goals have different dates and priorities. Retirement, education, emergency reserves and a home purchase should not be mixed into one number without separating their time horizons. A short-term goal should not automatically use the same asset mix as a 20-year goal.
How to close the gap
A gap can be reduced by increasing the SIP, extending the goal date, lowering the goal amount, using existing assets, applying an annual step-up or changing the asset mix within an appropriate risk level. Increasing the assumed return merely to make the gap disappear is not a genuine solution.
Worked Indian example
A family estimates that a child-education goal will require ₹50 lakh in 12 years. After accounting for an existing investment corpus, the required monthly SIP is estimated at ₹18,000. The family currently invests ₹11,000 toward the goal, producing a ₹7,000 SIP gap. They choose a ₹3,000 immediate increase and a planned annual step-up instead of assuming an unrealistically high return.
Comparison table
| Planning input | Illustrative value | What can change it |
|---|---|---|
| Future goal cost | ₹50 lakh | Inflation and goal scope |
| Required SIP | ₹18,000/month | Return assumption and time available |
| Current goal SIP | ₹11,000/month | Contributions and existing assets |
| SIP gap | ₹7,000/month | Any change in the above inputs |
Illustrative example only.
Risks and limitations
- A goal estimate that ignores inflation can understate the gap.
- Using an aggressive return assumption can create a falsely small gap.
- Counting the same investment toward two goals leads to double counting.
- Emergency savings should not be consumed merely to close a long-term SIP gap.
Frequently asked questions
Is a SIP gap the same as an investment loss?
No. It is a planning shortfall between the estimated required monthly contribution and the current contribution.
Can the gap be zero even when the plan is weak?
Yes. An unrealistic return assumption, incorrect goal cost or double-counted assets can make the mathematical gap appear zero.
How often should it be reviewed?
At least annually and after a major change in income, goal cost, time horizon or existing investments.
Should every gap be closed immediately?
Not always. Prioritise essential goals and use a realistic step-up plan that does not damage emergency liquidity.
Sources and methodology
Rules, thresholds and product terms can change. Verify the latest official page and the current product document before relying on a figure.
This page is for education and product understanding. It is not a personalised investment, legal, tax or buy/sell recommendation. Mutual-fund and securities investments are subject to market and issuer risks. Insurance benefits depend on the issued policy, underwriting, exclusions, limits and waiting periods.