May 21, 2026

Graham Stephan: The No. 1 Reason You Should Stay Invested Now

Written by Laura Beck
|
Edited by Ashleigh Ray
Discover a woman investor sits at her computer on a bright day reviewing papers and investments while on the phone

Investors have a lot to think about lately. The stock market looks expensive, valuations are stretched and there are legitimate comparisons being made to historical bubbles. And yet, according to Graham Stephan, none of that should change the core strategy for most investors.

In a recent video, the personal finance creator walked through the data on both sides of the bubble debate, and landed on a conclusion that's simpler and more durable than most market commentary.

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Stephan didn't dismiss the worry surrounding the bubble debate. The S&P 500's price-to-earnings forecast currently exceeds 28, roughly two-thirds above the 100-year historical average of around 17. The Shiller CAPE ratio has reached its second-highest level ever, surpassed only by the dot-com bubble. The top 10 stocks now make up approximately 40% of the entire S&P 500. That's a concentration level that also exceeds the 2001 peak. The Buffett indicator sits 2.4 standard deviations above its historical trend. Moreover, the AI investment concentration mirrors what happened with tech stocks in 2001.

These are real data points, and Stephan acknowledged all of them. His argument isn't that the market is cheap or that a correction is impossible. It's that responding to this information by moving to cash is most likely the wrong answer.

Here's the number Stephan presented that reframes the entire conversation. Over the last 50 years, cash has returned an average of 0.9% annually. Over the last 20 years, holding cash has produced an average loss of 1.8% per year in real purchasing power.

So, the actual choice facing investors isn't "possibly risky market versus safe cash." It's "possible short-term loss in the market with long-term upside versus guaranteed long-term loss in cash."

Stephan walked through a historical scenario worth considering: an investor who put money into the market at the absolute peak in 1929 — the single worst entry point in modern financial history — and then never invested another dollar. That investor, despite watching the market decline and go sideways for two decades, still ended up with an 11% gain from dividends alone by the end of the period.

The lesson isn't that timing doesn't matter. It's that for long-term investors who stay the course, even catastrophically bad timing tends to recover given enough time.

The most memorable moment in Stephan's video is the Isaac Newton example from the South Sea Bubble of 1720. Newton invested early, made money and correctly identified that the rally looked unsustainable. He sold. But then the market kept going higher. His friends kept getting richer. Eventually, he concluded he was wrong and bought back in near the peak, watched it go higher briefly and then lost nearly everything when the crash came.

Stephan's takeaway: The market can remain irrational longer than any individual can remain comfortable on the sidelines. The investor who tries to time the exit and re-entry is betting against an entire economy's worth of information. That bet tends to lose.

Stephan also noted that widespread bubble talk tends to get priced into the market to some degree. Markets don't usually crash because everyone can see the overvaluation. They crash from unexpected shocks.

He also pointed to the key difference between today and the dot-com era: The companies driving today's rally are profitable. The Magnificent Seven are generating real cash flows and real earnings, unlike the majority of companies driving the 1999-2001 rally. The S&P 500's forward price-to-earnings ratio today sits at 28 versus a peak of 65 in 2001.

Stephan's personal approach is to stay invested in diversified domestic and international index funds, keep approximately 20% in treasuries as a stability buffer, and continue dollar-cost averaging regardless of market conditions. He acknowledged this has become a punchline among his audience; the answer is always the same. He's fine with that, because the ones who followed it over the nine years he's been making videos have done better than most people who tried to time the market intelligently.

The risk of the current environment isn't necessarily that the market will crash. It's that fear of a crash will cause investors to move to cash at exactly the wrong time and miss the recovery. His advice? Stay invested, stay diversified and don't let the bubble headlines convince you that holding cash is a safe alternative.

This article was provided by MoneyLion.com for informational purposes only and should not be construed as financial, legal or tax advice.

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Laura Beck
Written by
Laura Beck
Edited by
Ashleigh Ray