VOO Isn't Your Ticket to $1 Million: The 10% Behind the Plan Is a 1957 Average

Today's market has a new false narrative wearing the face of a friendly article. Pick a cheap index fund, contribute regularly, and $1 million is waiting. The math on that plan is real. The 10% return that carries the whole argument is a 70-year backward average from a much cheaper market — and the S&P 500 you are buying into today is at one of the most expensive valuations in a century and a half of record.

A piece running in The Motley Fool today recommends Vanguard's S&P 500 ETF, VOO, as the "ticket" to a $1 million portfolio. The plan is clean. Start with $1,000. Add $500 a month. Hold 30 years at 10% a year. You land at roughly $1.1 million. Three variations are offered: $1,500 a month for 20 years, or $2,700 a month for 15 years, and you clear $1 million either way. VOO's expense ratio is 0.03%, its dividend yield is about 1%, and its top three holdings — NVIDIA, Apple, and Microsoft, together roughly 20% of the fund — are its largest positions. The vehicle is fine. On cost, it is hard to beat.

But the entire argument rests on one number: 10%.

The 10% Is a Backward Average from a Cheaper Market

The S&P 500 has averaged about 10% a year since 1957, when the index was small, the valuation was low, and the starting conditions for the next seven decades were very different from today's. That average is a real number. It is also a backward-looking average, not a forward promise. The market's starting valuation is the single best predictor of the next decade's return, and the current starting valuation is not favorable.

As of September 2026, the S&P 500's Shiller cyclically adjusted price-to-earnings ratio — CAPE, the valuation measure that smooths out the boom-and-bust cycles by averaging ten years of inflation-adjusted earnings — stands at about 40.6. That is the 98.8th percentile since 1881. Only the top of the dot-com bubble in late 1999, at 44.2, was higher. The long-run CAPE average is roughly 16 to 17. The market is trading at about 2.5 times its own historical mean valuation.

When the market has started a decade at that kind of valuation, the first ten years have not been kind.

The Lost Decade Is the Stress Test

The "lost decade" from December 1999 through December 2009 — which began at a CAPE of about 44, almost exactly where the market sits today — produced an annualized nominal total return of roughly zero for the S&P 500. Investors who bought in at the top of the dot-com bubble and stayed in for ten years, as the VOO plan asks you to do, came out approximately where they started. The index fell roughly 50% from its March 2000 peak to its March 2003 low. The recovery took another three years. The decade's real, inflation-adjusted return was negative — money that had done nothing for ten years in nominal terms actually shrank in purchasing power.

That is not a prediction. It is the one clean stress test in the record for what happens when a 30-year contribution plan starts at a peak valuation and the next decade underdelivers. The plan's first ten years — the years when the $500 a month is doing the most work on a small base — earn almost no growth. The remaining twenty years of contributions then have to carry the full weight of the goal on a base that never got the compounding head start the 10% assumption promised.

Using the article's own starting point — $1,000 initial, $500 a month — and varying only the assumed annual return, the timeline to $1 million stretches as follows:

Assumed annual return	Years to reach $1 million
10%	29
8%	34
7%	37
6%	40
5%	45

Every one point of return costs roughly four to five years. At 6% — a number the market has actually delivered in the decade of the 2010s, and a reasonable no-bubble long-run estimate — the plan takes 40 years, not 29. At 5%, it takes 45. Over a 30-year window at 5%, the same $1,000-plus-$500-a-month plan produces about $420,000, not $1 million. The goal is not just delayed; it is out of reach.

The article's second load-bearing claim is that you must not sell during the downturns. That is right, and the data is strong. J.P. Morgan's research, cited in the piece, shows that over the past two decades, seven of the S&P 500's ten best days occurred within two weeks of its ten worst days. Missing the recovery days — which is exactly what selling in the downturn does — is the single most expensive behavioral mistake a long-horizon investor can make. The VOO plan only works if you hold through a lost decade without flinching.

That is the part of the plan most retail investors do not have. Not because they are lazy, but because a lost decade is a decade of watching a savings account sit flat while friends in other assets tell you the plan is broken. The plan is not broken. It is just slower than the 10% headline implied, and the slower version is the one the current valuation makes more likely.

The ETF Is Not the Ticket

The ETF choice, to be clear, is not the ticket. Vanguard's VOO and iShares' IVV both track the S&P 500 index at an expense ratio of 0.03%. State Street's SPY is the same index at 0.0945% — a 0.06% drag that compounds to roughly $10,000 to $15,000 over a 30-year $1 million plan. That is real money. It is also the least important variable in the plan. Picking the 0.03% fund over the 0.0945% fund is a small but free gain. It is not the ticket.

The ticket is the $500 a month, sustained for 29 to 45 years depending on what the market actually returns. The honest version of this plan is not "VOO is your ticket to $1 million." It is: VOO is a well-constructed, low-cost delivery vehicle for a contribution plan whose success depends on three things — (a) the contribution being made every month without interruption, (b) the position being held through at least one significant drawdown, and (c) the market returning somewhere between 6% and 10% a year over the holding period. The first two are within the investor's control. The third is not. The 10% number in the article is a 70-year average from a market that started at a CAPE of about 12. The market you are buying into today has a CAPE of about 40.6. Those are different starting conditions, and the forward return is not guaranteed to match the backward average.

For the investor with a 30-year horizon and the discipline to keep contributing through a flat or down decade, VOO is the right vehicle and the plan is worth executing. For the reader who read "this 1 ETF could be your ticket" and is about to wire in $1,000 expecting the 10% to carry the rest, the ticket is the $500 a month, and the 10% is an assumption, not a promise. The market's current valuation resembles the 2000s more than the 1990s, and if the next decade underdelivers, the plan's timeline stretches accordingly.