Investor Corner/Building and judging a portfolio/Portfolio Construction & Behaviour
3.1.13 SIP Step Up and Top Up
A SIP step up automatically increases your monthly investment by a set percentage or amount each year, so contributions grow in line with rising income rather than staying fixed for decades.
Why a fixed SIP amount quietly falls behind
A SIP set at a fixed amount today will, in ten or twenty years, represent a shrinking share of a growing income, simply because salaries and expenses both tend to rise over time while the SIP amount does not, unless it is deliberately increased. A step up solves this by automating that increase, rather than depending on remembering to raise the amount manually each year.
How the mechanism typically works
Most AMCs and platforms allow a step up to be set up at the same time as the SIP itself, specifying either a fixed percentage increase, commonly around 10%, or a fixed rupee amount, applied automatically on each anniversary of the SIP. The investor does not need to take any further action for the increase to happen.
Why this matters for long-term goals
A step up can materially close the gap between what a fixed SIP was originally projected to reach and what a specific long-term goal actually requires, without ever needing a large, uncomfortable jump in contribution at any single point in time.
How PriLytics helps. PriLytics automatically detects SIP patterns, including step ups, across your transaction history and computes accurate XIRR that reflects exactly how each instalment actually grew. See how returns are calculated.