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U.S. Stock and Bond Correlation Reaches Lowest Level Since 1999

The two-month correlation between U.S. equities and the 10-year Treasury yield fell to -0.70. The 30-day correlation also reached -0.68, the lowest in 27 years.

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1 source·May 22, 3:52 PM(7 days ago)·1m read
U.S. Stock and Bond Correlation Reaches Lowest Level Since 1999forbes.com
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S. 70. This marks the lowest level recorded since 1999. Over the past two months, stocks and the 10-year Treasury yield have moved in opposite directions by the largest extent this century. 40, near the highest level observed since 2023.

68, also the lowest reading in 27 years. During the 2022 bear market, the 10-year yield rose amid elevated inflation and Federal Reserve rate hikes while stocks declined. Bond markets are currently receiving significant attention from market participants.

Key Facts

Two-month correlation
Fell to -0.70, lowest since 1999
30-day correlation
Reached -0.68, lowest in 27 years
Early 2026 reading
Stood at positive 0.40 near 2023 high

Story Timeline

3 events
  1. Start of 2026

    Correlation between U.S. equities and 10-year Treasury yield stood at 0.40.

    1 source@KobeissiLetter
  2. Past two months

    Correlation fell to -0.70, lowest since 1999.

    1 source@KobeissiLetter
  3. Past 30 days

    Correlation reached -0.68, lowest in 27 years.

    1 source@KobeissiLetter

Potential Impact

  1. 01

    Investors may adjust portfolio allocations between stocks and bonds.

  2. 02

    Market participants could increase focus on bond price movements.

Transparency Panel

Sources cross-referenced1
Confidence score75%
Synthesized bySubstrate AI
Word count82 words
PublishedMay 22, 2026, 3:52 PM
Bias signals removed1 across 1 outlet
Signal Breakdown
Amplifying 1

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