Ask someone their financial goal and you will hear a number. A million dollars. A paid-off house. Two kids through college. Lovely numbers, every one. But a number without a date is a wish, and a portfolio cannot be built out of wishes.
Here is the strange part. Once you attach the date, the goal itself stops mattering much. The clock takes over. We can prove it.
Same money, different clocks
Robert Pozen, a former president of Fidelity Investments, ran a clean experiment in a May 22 Journal op-ed. Take $100,000. Put it in a 90% stock portfolio, or in a 60-40 mix. Then change nothing but the clock.
Over the ten years ending in 2025, the stock-heavy mix grew to almost $356,000 and the 60-40 mix to around $243,000. That is a $113,000 gap. Real money, but not a different life.
Stretch the same experiment to 40 years and the totals become $5.8 million versus $2.5 million. The gap is now $3.3 million. Nothing changed except the timeframe. The clock did all of that work.
The formula behind the instinct
Yale finance professor James Choi turned this instinct into arithmetic, in a formula the Journal adapted in a February 24 feature. Its logic: decades of future paychecks act like a giant bond you already own, so young savers can afford stock-market storms.
The outputs are blunt. Watch what happens as the clock shortens and the pile grows.
| Investor, per the Choi formula | Investable money | Stocks |
|---|---|---|
| 25-year-old, $70,000 income | $25,000 | 100% |
| Working couple, both 50 | $400,000 | 91% |
| The same couple, both 50 | $800,000 | 53% |
| Retired couple, 70, medium risk tolerance | $1,000,000 | 38% |
The same couple drops from 91% stocks to 53% just because savings doubled. As Choi puts it, “It’s more conservative when you have more money saved up.” Less future payroll, more present pile, gentler portfolio.
What a date does in real life
The Journal’s February 12 family checkup makes it human. Alejandro Muñoz, 31, is a Minnesota engineer earning about $113,000, plus roughly $9,000 a year at the local fire department. Brady, 27, is home with a two-year-old and a newborn. The goal: retire early.
A planner, Danika Waddell, put a date on the dream: retiring before 60 requires a savings rate of 25% or more. They were saving well under 15%.
Notice what happened there. The goal did not change. The date turned a comfortable habit into a ten-point gap with a to-do list attached: clear the $450-a-month medical loan, fill the Roth IRAs, fatten the emergency fund.
Money with no date drifts the other way, into cash. Fidelity measured that damage, as the Journal reported on May 29. Invest $5,000 a year in U.S. stocks from 1980 through 2023 with perfect timing and you end up near $5.6 million. With the worst possible timing every single year, $4.3 million. Left in cash, just $350,000.
Sit with that for a second. Genius timing beat terrible timing by about $1.3 million. Terrible timing beat no timeframe at all by about $4 million. The market forgave every mistake except not showing up.
Time is patient with ordinary paychecks, too. A Journal profile of Costco workers on July 9 included Tony Barzar, a 60-year-old cashier in Tucson earning $32.90 an hour. Four decades of steady 401(k) contributions carried his retirement savings past $1 million.
This is why every discovery meeting here starts with a calendar, not a fund list. Our financial planning hub calls it The Center: Goals & Timeline, and everything else on the wheel orbits around it. A 35-year-old saving for a 2030 house and a 62-year-old retiring in twelve months can hold identical beliefs and still need opposite portfolios. The second one is managing sequence-of-returns risk; the first one is mostly managing impatience.
So pick the date. Write it down, even in pencil. Then take our risk tolerance quiz and bring both to the table. Once the calendar is honest, the portfolio conversation gets surprisingly easy.