The 10-year Treasury yield breached 5 percent this month for the first time since 2007, capping a six-year climb from pandemic lows near 0.5 percent. The move matters because it tightens borrowing costs across mortgages, corporate debt, and government financing while the Federal Reserve faces an uncomfortable mix of above-target inflation and slowing growth.

The yield crosses five percent

Benchmark yields have risen steadily since 2020, when the Fed cut its policy rate to near zero and began large-scale asset purchases that pushed the 10-year to a record low of 0.52 percent. The subsequent surge reflects a cascade of forces: trillions in fiscal stimulus, supply-chain bottlenecks, energy shocks, tariff escalation, and a Treasury issuance schedule swollen by persistent deficits. Each factor added upward pressure on the term premium investors demand for holding long-dated government debt.

The stagflation label

Prominent investors have begun using the term stagflation to describe the current backdrop. Ray Dalio told CNBC in April that the economy is “certainly in a stagflationary period,” though he noted the outcome depends on many moving parts. The comparison to the 1970s is inevitable but imprecise. Inflation peaked at 14.8 percent in March 1980, more than four times the 3.4 percent rate recorded recently. Unemployment exceeded 9 percent during the mid-decade oil shock, versus roughly 4.1 percent now. Paul Volcker responded by driving the federal-funds rate to 20 percent by 1981, triggering a recession that pushed joblessness above 10 percent, a degree of pain with no parallel in the current cycle.

How we got here

The pandemic triggered a flight to safety that collapsed yields. As the economy reopened, households sitting on accumulated savings shifted spending from services to goods just as factories and ports struggled to restart. The Consumer Price Index accelerated through 2021. Fed officials initially characterized the rise as temporary, citing supply constraints. In August 2021, then-Chair Jerome Powell acknowledged concern but said elevated readings were “likely to prove temporary.” By September the Federal Open Market Committee described inflation as elevated while still attributing much of it to transitory factors, leaving the policy rate at 0 to 0.25 percent.

The Fed's pivot

December 2021 marked the turning point. The median projection from policymakers showed the federal-funds rate reaching 4.4 percent by the end of 2022, 5.4 percent in 2023, and 4.4 percent in 2024, up from 0.1 percent at the close of 2021. Inflation forced the issue: the CPI hit 9.1 percent in June 2022, the largest 12-month increase since 1981, with energy prices contributing heavily. The aggressive tightening cycle that followed has kept the 10-year yield on an upward trajectory even as the policy rate has since been reduced.