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Market Analysts Question Relevance of 20 Percent Bear Market Threshold

A financial commentary argues that the traditional 20 percent decline threshold for bear markets may no longer reflect meaningful trend changes given elevated valuations and expanded Federal Reserve balance sheets.

ZeroHedge
1 source·May 25, 7:15 PM(3 days ago)·1m read
|
Market Analysts Question Relevance of 20 Percent Bear Market Thresholdfinance.yahoo.com
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A commentary published on ZeroHedge examined whether the conventional definitions of market corrections and bear markets remain applicable under current conditions. The piece noted that the 10 percent and 20 percent thresholds originated with technical analyst Alan Shaw at Smith Barney in the 1960s.

It stated that markets at that time traded closer to long-term fair value, making a 20 percent drop more likely to signal a sustained reversal.

The commentary reported that the S&P 500 currently sits roughly 83 percent above its long-term trend line, while the Shiller CAPE ratio hovers near 40. It added that the Federal Reserve's balance sheet stands at $6.7 trillion, more than eight times its pre-2008 level.

Under these conditions, the article suggested that a 20 percent decline would represent a temporary pullback rather than a regime shift.

The commentary contrasted present conditions with two prior bear markets. It stated that the S&P 500 fell nearly 49 percent between March 2000 and October 2002, taking until 2007 to recover prior highs. It added that the index declined about 57 percent from October 2007 to March 2009, with recovery to prior peaks occurring only in early 2013.

The article concluded that the distinction between corrections and bear markets should focus on whether prices break their longer-term upward trend rather than on fixed percentage thresholds.

Key Facts

S&P 500 valuation
83 percent above long-term trend line
Shiller CAPE ratio
near 40, exceeded only once historically
Fed balance sheet
$6.7 trillion, eight times pre-2008 level
Bear market definition origin
Alan Shaw at Smith Barney in the 1960s

Story Timeline

3 events
  1. 1960s

    Alan Shaw at Smith Barney established 10 percent and 20 percent market thresholds.

    1 sourceZeroHedge
  2. March 2000 to October 2002

    S&P 500 declined nearly 49 percent and took until 2007 to recover prior highs.

    1 sourceZeroHedge
  3. October 2007 to March 2009

    S&P 500 fell about 57 percent and recovered prior peaks in early 2013.

    1 sourceZeroHedge

Potential Impact

  1. 01

    Investors may adjust risk models if percentage thresholds lose predictive value.

  2. 02

    Media graphics and fund disclosures could update bear-market labels.

Transparency Panel

Sources cross-referenced1
Confidence score65%
Synthesized bySubstrate AI
Word count230 words
PublishedMay 25, 2026, 7:15 PM
Bias signals removed2 across 1 outlet
Signal Breakdown
Loaded 1Editorializing 1

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