10-Year Treasury Yield Spikes to 4.39%, 2.5σ Above 60-Day Average
@the_economist (The Economist) May 17, 2026 The 10-year Treasury yield surged to 4.39% on March 20th and 24th, marking a 2.5 standard deviation move above its recent 60-day mean of 4.18%. This represents the highest level in the dataset after a gradual climb from 3.97% in late February. The bond sell-off coincides with robust economic data: unemployment at record lows (4.30%), GDP growth accelerating 1.4% quarterly, and inflation running at 1.8% over three months. This combination suggests markets are pricing in persistent Fed hawkishness despite recent policy pivots. The velocity of this move—21 basis points in three weeks—signals either renewed inflation concerns or term premium expansion as fiscal dynamics deteriorate. Is this a temporary repricing or the start of a secular bear market in bonds?