Guide
A SIP builds the mountain; an SWP lets you climb down it for income. The transition between the two is one of the most important — and least discussed — moments in a financial life.
Accumulation is the SIP phase: you add money regularly and let it compound for years. Decumulation is the SWP (Systematic Withdrawal Plan) phase: you withdraw a fixed amount regularly while the remaining corpus stays invested.
They're mirror images. One feeds the corpus; the other draws it down. The skills and risks differ at each end.
In the withdrawal phase, the order of returns suddenly matters enormously. A market fall early in retirement, while you're withdrawing, can permanently damage how long the corpus lasts — because you're selling units at low prices to fund withdrawals. This is called sequence-of-returns risk, and it doesn't exist in the same way during accumulation.
It's why the transition deserves real thought, not just flipping a switch.
A central question is the sustainable withdrawal rate — how much you can draw without exhausting the corpus too soon. An honest figure for a withdrawal meant to last indefinitely is usually lower than people expect (often in the low single digits in real terms), because it must survive bad years and inflation. Our SWP calculator shows how long a corpus lasts at a given withdrawal, and the pension panel on the SIP calculator contrasts a 'preserve the principal' figure with a higher 'spend it down' figure.
Investors often de-risk the allocation as they approach the switch — shifting some equity toward stabler assets so a crash right at retirement does less damage. Keeping a buffer of low-risk money to fund withdrawals during downturns (so you don't sell equity low) is another common idea.
This is educational information only, not retirement advice. The transition is complex and personal — a SEBI-registered investment adviser is well worth consulting here.
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