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Inflation's Grip: Bonds Lose Their Shock-Absorbing Power
24 May
Summary
- Bonds historically act as a buffer, but this fails in high inflation.
- Morgan Stanley research shows inflation above 2.4% drives correlation.
- High inflation means bonds might offer income, not protection.
Bonds have traditionally been a stable component of investment portfolios, designed to dampen volatility and offset stock market losses. However, recent analyses reveal a crucial caveat: this reliability wanes considerably when inflation is high.
Research by Morgan Stanley, examining 150 years of data, found that bonds become less effective as a stock market shock absorber when inflation exceeds 2.4%. This threshold is currently surpassed, with headline inflation at 3.8%.
This correlation means that during inflationary periods, both stocks and bonds may decline simultaneously. This dynamic challenges the classic 60/40 portfolio strategy, which relies on bonds to provide stability when stocks falter.
While higher yields make bonds more attractive for income, they can fall in price as new bonds offer better returns. The risk is that if the next market shock stems from inflation, bonds may provide income but lack protective cushioning for investors.
