How Social Security Can Protect Your Retirement From Market Volatility

The retirement risk nobody talks about at the kitchen table

I was sitting across from a couple — I'll call them Tom and Linda — at our first real planning meeting. They'd done everything right. Saved consistently for 35 years. Paid off the house. Just over $1.8 million combined. On paper, they were in great shape.

Tom slid a handwritten note across the table: their expected expenses, projected Social Security income, and a 5% portfolio withdrawal rate. "We've run the numbers a dozen times," he said. "We think we're fine."

"You probably are," I told him. "But let me show you the one thing most calculators miss."

I grabbed two pieces of paper. "Same portfolio. Same withdrawal. Same long-term average return. Now watch what happens when I change just one thing — the order the returns show up."

I walked him through two scenarios. In the first, a major market downturn hits in year two of retirement. In the second, that same downturn happens in year eighteen. Same 30-year average return. Completely different outcomes.

In the first scenario, they ran out of money.

Tom leaned back. "So the timing of a bad market matters more than the size of it?"

"In retirement, yes," I said. "That's sequence of returns risk. And it's the reason I spend so much time on Social Security."

What sequence of returns risk actually means

When you're still saving for retirement, a market drop works in your favor. You're buying shares cheap, and when prices recover, you benefit. Time is your ally.

In retirement, the math flips.

The moment you start withdrawing, you're selling shares to produce income — even when markets are down. That forces you to liquidate more shares than you planned just to hit the same dollar amount. Those shares are gone. They don't recover with the market. The portfolio permanently shrinks.

If that drawdown happens in the first five to ten years of retirement, the damage can be severe. If it happens in year twenty, you've had decades of compounding behind you and the impact is far more manageable.

The danger zone isn't the full 30-year retirement. It's the first decade.

Why the 4% rule doesn't tell the whole story

The 4% rule is a starting point, not a guarantee. It holds up well when early returns are average or better. When they're not, a fixed withdrawal from a volatile portfolio can do real damage — the kind that compounds over time and can't be undone.

Tom and Linda planned to withdraw $90,000 a year from $1.8 million. Not unreasonable. But if markets dropped 30% in year one and they still needed that $90,000, they'd be selling at the worst possible moment — locking in losses, shrinking the base that needs to recover.

"Do I have enough?" and "Do I have enough if markets do something ugly in the first few years?" are very different questions. Social Security is one of the most powerful tools for answering the second one.

Social Security as a volatility buffer

Most people treat Social Security as a check — a baseline, something to factor in. I treat it as part of the income architecture, specifically the piece that reduces how much the portfolio has to do during its most vulnerable years.

For every year you delay claiming past your Full Retirement Age, your benefit grows by about 8%. That growth is guaranteed regardless of what markets do. At 70, the delayed credits are maxed out. After that, cost-of-living adjustments keep pace with inflation for the rest of your life.

A higher Social Security benefit means a higher income floor. And that floor means your portfolio supplies less income over your lifetime — fewer required withdrawals, less pressure to sell during a downturn, less exposure to sequence risk right when it's worst.

For Tom and Linda, the difference between claiming at 62 versus 70 was roughly $1,400 per month combined. More than $16,000 a year in guaranteed income, for life. That's not a rounding error. It changes the math on everything else.

"But if I wait, don't I have to spend more now?"

Yes. And this is the most important question in the conversation.

If you delay Social Security to grow the benefit, you need income from somewhere during those years. Most people's instinct is to pull more from the portfolio — which is exactly what you're trying to avoid during the danger zone.

The solution is what I call the bridge strategy. You earmark a dedicated reserve — typically two to three years of income needs — in cash or short-term bonds. That reserve covers living expenses during the bridge years so you're not forced to sell equities at depressed prices. Then you set a simple rule: replenish the reserve from equities after a recovery, not during a panic. You sell stocks when they're up. Not when they're down.

When Tom and Linda's enhanced benefit turns on at 70, their required portfolio withdrawal drops and stays lower for the next two or three decades. The portfolio gets to breathe during the years it's most at risk.

A look at the actual numbers

Take a couple with $1.8 million who needs $9,000 a month in retirement income.

If they claim Social Security at the earliest opportunity, their combined benefit might cover $3,800 of that. The portfolio has to supply the other $5,200 every single month — $62,400 a year, a 3.5% withdrawal rate from day one.

If they delay to 70 and bridge the gap deliberately, their combined benefit grows to roughly $5,200 a month. The portfolio now supplies $3,800 — $45,600 a year, a 2.5% withdrawal rate.

That one percentage point of difference compounds over a 25-year retirement. Fewer forced sales. Less damage from bad years early on. The plan just handles turbulence better.

Is delaying Social Security right for you?

Not always. A few things need to be worked through honestly.

Health and expected longevity matter a lot. Delayed claiming pays off if you live into your mid-80s or beyond. If significant health concerns exist, a different claiming age may make better sense.

For married couples, the higher earner's benefit becomes the survivor's benefit. Maximizing it often protects a surviving spouse for decades after the first death — usually the higher earner — and that's a scenario worth planning for explicitly.

Taxes and Medicare surcharges also come into play. A larger Social Security benefit can push more income into higher brackets and trigger IRMAA, the Medicare premium surcharge. These need to be modeled before deciding anything.

And the bridge years have to be livable. If funding the gap creates real financial stress or forces lifestyle sacrifices you're not willing to make, the plan doesn't work no matter how clean it looks on paper.

Blanket advice — "always file at 62" or "always wait until 70" — misses all of this. The right answer is built around your income needs, your health picture, your tax situation, and your portfolio structure. Anyone who gives you a one-size answer without knowing those things isn't really answering your question.

What to do if you're between 55 and 70

Stress-test the first ten years of your plan — not just the average-return projection. That's where real risk lives, and most retirement calculators gloss over it.

Model at least two or three claiming ages side by side. See what your income floor looks like at 62, 65, 67, and 70, and then see what your portfolio needs to supply in each case. The gap between those scenarios is usually bigger than people expect.

If delaying makes sense, identify which assets will fund the bridge now, before you need them. Having the plan written down matters. Knowing which accounts you draw from first, and in what order, is the difference between a strategy and a good intention.

The line I leave my clients with

As Tom and Linda were wrapping up, Tom folded his notes and looked up. "So we've been thinking about Social Security all wrong."

"Most people have," I told him. "The decision isn't about getting the check. It's about designing an income structure that keeps a bad year in the market from becoming a permanent pay cut."

He paused. "That's actually kind of reassuring."

It is — when you plan for it.

If you're uncertain whether your claiming strategy is optimized for your situation, we would be open to having a conversation on how we can help.

Dustin Formanack — Lifetime Retirement Partners