What Happens to IG Effective Yield When Inflation Expectations De-Anchor?
What happens when long-term inflation expectations break above 3%? Fed credibility crisis, policy dilemma, and the risk of a 1970s-style wage-price spiral.
How IG Effective Yield Responds
Scenario Background
The Federal Reserve's most important asset is not its balance sheet, it is its credibility. Specifically, the market's belief that the Fed will keep long-run inflation near 2% is what keeps long-term interest rates anchored, enables stable economic planning, and prevents the self-fulfilling prophecy of an inflationary spiral. The 5-year, 5-year forward inflation expectation rate (5Y5Y) is the Fed's preferred measure of whether this credibility is intact. When it rises above 3%, it suggests the market is beginning to doubt the Fed's ability or willingness to control inflation.
Read full scenario analysis →Historical Context
The 5Y5Y forward remained remarkably stable between 2.0% and 2.5% from 2000 through 2021, reflecting well-anchored inflation expectations. It spiked to 2.67% in April 2022 during the inflation surge but remained below the 3% threshold, suggesting the market still believed the Fed would regain control. In the 1970s, the equivalent measures (consumer surveys, not market-based) showed expectations rising from 3% to 10%+, which took a decade and a severe recession to reverse. The ECB experienced a d...
What to Watch For
- •5Y5Y forward rising above 2.7% for more than 4 consecutive weeks
- •University of Michigan 5-10 year inflation expectations rising above 3.5%
- •Wage growth (ECI) exceeding 5% year-over-year, wage-price spiral risk
- •Fed officials expressing concern about inflation expectations in speeches
- •Core services inflation (ex-housing) remaining elevated above 4% for 6+ months
Other Assets When Inflation Expectations De-Anchor
Other Scenarios Affecting IG Effective Yield
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