Drew Wood
Thu, June 4, 2026 astatine 8:48 AM CDT 6 min read
Quick Read
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An 80/20 bond-heavy portfolio earns lone ~2% existent return, leaving a 73-year-old retiree astir $340,000 worse disconnected aft 20 years than a 60/40 mix.
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Rebalancing to 60/40 with a short-term Treasury buffer of $150,000 to $200,000 neutralizes sequence-of-returns hazard without sacrificing 2 decades of equity compounding.
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Wade Pfau and Michael Kitces probe shows expanding equity vulnerability implicit status outperforms the accepted age-based glide-down, meaning the 80/20 default has the strategy backwards.
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A caller survey identified 1 azygous wont that doubled Americans’ status savings and moved status from dream, to reality. Read much here.
A 73-year-old azygous retiree has a $1.6 cardinal portfolio invested 80% successful bonds and 20% successful stocks, spends $64,000 annually, and receives $34,000 per twelvemonth from Social Security. At archetypal glance, the allocation appears accordant with accepted status advice: a dense enslaved presumption to trim volatility and a smaller banal allocation to sphere capital. However, erstwhile evaluated implicit a imaginable 20-year status horizon, the semipermanent implications go much complex.
This benignant of portfolio is often discussed connected Bogleheads forums and successful calls to Dave Ramsey's show. Many retirees followed age-based allocation rules specified arsenic holding a percent of stocks adjacent to 100 minus their age, lone to ticker the banal marketplace present beardown returns successful caller years. (For example, Vanguard Total Stock Market ETF (NYSEARCA:VTI) is up astir 29% implicit the past twelvemonth and astir 70% implicit 5 years). As equity markets person surged, immoderate person begun questioning whether an overly blimpish allocation could trim semipermanent portfolio maturation and perchance outgo them a important magnitude of status information aboriginal successful life. The situation is balancing the tendency for stableness contiguous against the request for maturation implicit what whitethorn inactive beryllium a multi-decade retirement.
The concern successful 5 lines
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Age 73, single, nary dependents drafting from the portfolio
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$1.6 cardinal investable, 80% fixed income / 20% equity
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$64,000 yearly spending against $34,000 Social Security
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Portfolio withdrawal need: $30,000 per twelvemonth astatine start
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Planning horizon: 20 years, to astir property 93
Why the "safe" allocation softly fails
With today's output curve, an 80/20 portfolio earns astir 4.5% nominal and astir 2.0% real. That is justified by the enslaved math: the 10-year Treasury yields 4.45% and the 30-year sits astatine 4.98%, portion the Vanguard Total Bond Market ETF (NYSEARCA:BND) has returned astir 6% implicit the past year. Decent. Not enough.

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