Sept. 29, 2026Partner Content
Retirement

5 reasons your index fund gets riskier after 55

The plan that built your nest egg was designed for someone still adding money. Here is what changes the year you start taking it out.

By The Capital Brief DeskJune 20264 min readPresented by Nirvana Systems

Buying a low-cost S&P 500 fund and holding it is sound advice for a 35-year-old. Large U.S. stocks have returned roughly 10% a year on average over long stretches, and thirty years of runway turns most crashes into footnotes.

The same fund behaves very differently once the paychecks stop and the withdrawals start. Nothing about the fund changes. What changes is you.

1

It has no way to step aside

An index fund owns the whole market in every kind of weather. There is no instruction inside it that says sell. In the dot-com unwind of 2000 to 2002 the S&P 500 fell about 49% from peak to trough. In the 2008 crisis it fell roughly 57%. In the first weeks of 2020, about 34%.

The index recovered each time. A buy-and-hold investor still absorbed every one of those falls in full on the way there, because the product has no other option built in.

2

The 10% average hides the order of the years

That comfortable 10% is an average struck across crashes and long climbs back, blended into one figure. It describes what the market did. It says nothing about what a crash costs on your particular timeline.

After 55, the order in which good and bad years arrive starts to matter more than the average. Planners call this sequence-of-returns risk, and it is the most underrated threat to a retirement built on buy-and-hold.

3

Withdrawals turn a dip into a permanent loss

While you are adding money, a crash is a sale. Once you are drawing income, every dollar you sell in a downturn is sold near the bottom, and it is not in the account when the market climbs back.

Two retirees can earn the identical average return over twenty years and end up in completely different lives. One met a 50% drawdown in the second year of retirement. The other met it in the eighteenth.

4

Recoveries can take longer than you have

From the 2000 peak through roughly 2013, the S&P 500 went more than ten years with almost no real price gain. Someone who bought near the top waited thirteen years just to get back to even.

A 'lost decade' in the index (stylized)
Break-even
2000 peak~2013 break-even
A stylized illustration of a 'lost decade': someone buying at a market peak can spend well over ten years merely returning to break-even. For a saver still adding money, background noise. For a retiree drawing income, decisive.

For a 32-year-old, that decade was an inconvenience. For a 62-year-old drawing income, it is the difference between a plan that holds and one that runs out first.

5

The missing piece is an exit, not a better fund

None of this makes indexing a mistake. It is a sensible, cheap way to own the market over a long horizon. What it lacks was never the return. It is a way to get out of the way in the years when the timing of a fall matters most.

That gap is what OmniFunds, algorithmic software from Nirvana Systems, is built around. When trends are strong it rotates toward the stocks and ETFs showing the most strength. When its signals weaken it rotates toward defensive stocks, inverse ETFs and, ultimately, cash. In one recent episode it moved fully to cash two days before a sharp drawdown.

Worst peak-to-trough decline
S&P 2000–02
-49%
S&P 2008
-57%
S&P 2020
-34%
OmniFunds max
-14%
OmniFunds Comparison
Maximum peak-to-trough declines. The three grey bars are S&P 500 drawdowns in three downturns; the blue bar is the maximum drawdown of an OmniFunds strategy over a recent multi-year period (a blend of backtested and live results; illustrative, not a promise of future results). Roughly -50% versus the mid-teens is the whole argument.

The honest catch, before you read the numbers: OmniFunds reacts to signals. It cannot read the future, it will not sell the exact top or dodge every wobble, it can lose money, and it is not FDIC-insured. It runs inside your own brokerage account, where your money stays in your name and you see every trade before it executes.

OmniFunds · three flagship strategies
StrategyAvg. annual returnMax drawdown
Defensive Growth33.6%-10.0%
Balanced Growth30.0%-9.2%
Aggressive Growth66.6%-14.2%

Three of eight OmniFunds strategies. Nirvana Systems has built trading software since 1987; OmniFunds has traded live since 2024, inside clients' own brokerage accounts.

Average annual return and maximum drawdown over a recent multi-year period. Figures reflect a combination of backtested and live results; hypothetical and backtested performance has inherent limitations and does not represent actual trading. Results are not typical, and individual results will vary. Past performance is not indicative of future results. All trading involves risk, including possible loss of principal.
From the sponsor · Nirvana Systems

Keep the market's upside. Add the exit your index fund doesn't have.

See the OmniFunds live track record on a free 1:1 walkthrough, including the recent move to cash. It runs in your own brokerage account, with a 12-month satisfaction guarantee on the service. Past performance is not indicative of future results.

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