What Happens to 5Y Treasury Yield When Breakeven Inflation Crashes?
What happens when the bond market prices in deflation? When breakeven inflation crashes below the Fed target, it signals a deflationary spiral that changes the playbook for every asset.
How 5Y Treasury Yield Responds
Scenario Background
Breakeven inflation is the market's expectation for average inflation over the next 10 years, derived from the spread between nominal Treasuries and TIPS. When it crashes below 1.5%, the bond market is pricing in a sustained period of below-target inflation, effectively saying the Fed has lost control, but in the opposite direction from what most people fear.
Read full scenario analysis →Historical Context
10-year breakeven inflation crashed to 0% during the 2008 financial crisis as deflation fears gripped markets. It recovered only after massive QE. Breakevens fell to 0.5% in March 2020 during the COVID panic before the Fed's intervention. In the 2015-2016 global growth scare (China devaluation + oil collapse), breakevens fell to 1.2%. Japan's experience with persistent below-target breakevens since the 1990s shows how difficult it is to escape the deflation trap once expectations reset. The euro...
What to Watch For
- •10Y breakeven falling below 1.5% for more than 2 weeks, sustained deflation pricing
- •Fed officials discussing deflation risk in speeches or minutes, policy response incoming
- •Commodity prices falling broadly alongside breakeven decline, the deflationary impulse is real
- •Core PCE decelerating toward 1%,the official data confirming the market signal
- •Bond market pricing in more than 200bps of rate cuts, deflation response being expected
Other Assets When Breakeven Inflation Crashes
Other Scenarios Affecting 5Y Treasury Yield
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