Kalculate

The 3-bucket strategy, explained

Buckets don't earn more. They lose less at the worst moment. Here's what the three buckets are, the risk they actually remove, and what the approach costs you — then try it on your own numbers.

The three buckets

The split is by when you'll spend the money, not by asset class. That single change is what makes the rest work.

Short-term
Years 0–3 · 0% equity — all safe

The money you'll spend soon. Kept in cash, liquid & short debt funds so a market crash can't touch it.

Held in: Cash, liquid funds, short-duration debt funds, an FD ladder

Medium-term
Years 4–8 · ~25% equity

A gentle mix — mostly debt with some equity for growth. Refills the short bucket as it empties.

Held in: Mostly debt funds with a modest equity or hybrid allocation

Long-term
Year 9+ · ~50% equity

Your growth engine. Half equity so it can outrun inflation over decades. You only sell it after good years.

Held in: Index or diversified equity funds, balanced with debt

The problem it solves: sequence-of-returns risk

Average returns hide something important. Two retirees can experience the exact same average return over thirty years and end up in completely different places — because when the bad years arrive matters as much as how bad they are.

The reason is simple and brutal. In a normal year you sell a slice of your portfolio to fund your spending. In a year the market is down 25%, funding that same spending means selling more units at a lower price. Those units are gone. They aren't there to recover when the market does. A crash in your first few years of retirement therefore does permanent damage that an identical crash twenty years later does not.

Indian retirees have had two clear reminders — the 2008 crash and the March 2020 fall. Both recovered. But a retiree drawing an income through either one, from a single blended portfolio, locked in losses on the way down and never got that money back.

Buckets remove this risk structurally, not by forecasting. If the money you need in the next three years was never in equity, a bad year becomes something you sit through instead of something you sell into.

The three rules

  1. Spend from Short. Every rupee you withdraw comes out of the short-term bucket first. It's in cash and short debt, so its value doesn't depend on what markets did this year.
  2. Refill Short from Medium each year, keeping roughly three years of spending safe at all times. This is a safe-to-safe move, so you do it unconditionally.
  3. Refill Medium from Long only after a good equity year. You harvest gains; you never sell equity at a loss. In a down year you skip this step entirely and let equity recover. This is the rule that does the actual work — and the one people abandon under stress.

What it costs you

Worth being straight about, because most explanations aren't. Holding several years of spending in cash and short debt is a drag on returns. With Kalculate's defaults the bucket split opens at a corpus-weighted ~7.6% a year — slightly below a flat 8% blended portfolio. It still finishes ahead, behaving like roughly 8.5% flat, purely because withdrawals drain the low-return bucket first while equity compounds untouched.

On the default scenario that works out to about 6% more sustainable monthly income — a real edge, but a modest one, and it shrinks as your equity assumption falls. Below about 8.9% assumed equity return the arithmetic flips and a simple 8% portfolio wins on averages. The crash protection remains either way, and that is the honest reason to use the strategy.

It also costs discipline and complexity: three pots to track, and one real decision every year about whether equity had a good enough year to harvest.

Try it on your own numbers

The calculator sizes the buckets from your actual spending, charts how they drain and refill year by year, and runs your corpus through a market crash under both strategies so you can see the difference rather than take our word for it.

Open the withdrawal calculator →Work out the corpus I need

Frequently asked questions

What is the 3-bucket retirement strategy?▾
It splits your retirement corpus by when you'll spend each rupee, not by asset class. A short-term bucket holds the next ~3 years of spending in cash and short debt, so a crash can't touch it. A medium bucket covers roughly years 4–8 with a modest equity slice. A long-term bucket holds everything beyond that, around half in equity, as the growth engine. You always spend from the short bucket and refill it from the ones behind it.
Why does the bucket strategy work?▾

Because it removes the one thing that reliably ruins retirements: being forced to sell equity during a fall. This is called sequence-of-returns risk. Two retirees with identical average returns over 30 years can end up in completely different places purely because one of them met a crash in year two and the other met it in year twenty-two.

Buckets fix this structurally rather than by prediction. The money you need soon is never in equity, so a bad year is something you sit through instead of something you sell into.

Does the 3-bucket strategy earn a higher return?▾

Only slightly, and not for the reason people assume. The opening split is corpus-weighted at roughly 7.6% a year with Kalculate's default 10% equity and 6.5% debt — actually a shade below a flat 8% blended portfolio.

It still comes out ahead, behaving like about 8.5% flat, because of the order money leaves the corpus: withdrawals drain the safe, low-return bucket first while the equity bucket compounds untouched for a decade or more. On Kalculate's default scenario that's around 6% more sustainable monthly income — a real edge, but a modest one. Anyone promising a dramatic return advantage from bucketing is describing a difference in risk taken, not in strategy.

What does the bucket strategy cost me?▾
Three things, honestly. First, a little expected return: holding several years of spending in cash and short debt is a drag compared with staying fully invested. Second, discipline — the strategy only works if you genuinely skip the equity harvest in bad years rather than rebalancing on schedule. Third, complexity: three pots to track and an annual decision to make, versus one portfolio and a standing instruction.
Who should not use the bucket strategy?▾
If your withdrawal rate is very low relative to your corpus, you were never going to be forced to sell into a crash anyway, and the cash drag costs you more than the protection is worth. Equally, if you have a pension, rental income or annuity covering most of your essential spending, that income already plays the role of the short bucket. And if you know you won't follow the harvest rule under stress, a simple portfolio you'll actually stick to beats a sophisticated one you'll abandon.
How big should each bucket be?▾
Kalculate sizes them from your own inflation-adjusted spending schedule: the short bucket holds the next 3 years of spending, the medium bucket the following 5, and the long bucket whatever remains. Because spending rises with inflation every year, those rupee amounts are larger than 3× and 5× your current annual spend. Every amount is editable in the calculator, and it shows how many years your figure actually covers.