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CNBC
news · May 12, 2026
Treasury yields push higher after CPI climbs to highest in nearly three years
“Consumer prices rose at an annual rate of 3.8% in April — the highest since May 2023, above the 3.7% year-over-year inflation expected by economists. Annual core inflation, excluding food and energy, rose by 2.8%, above the 2.7% anticipated.”
4.59% 10-year
US 10-year Treasury yield at its highest in a year; 30-year bond at 5.129%
CPI at 3.8%
April inflation came in above the 3.7% forecast — the highest since May 2023
38% hike odds
Market-implied probability of a December rate hike up from 21% to 38% in a single week
The yield on the US 10-year Treasury note climbed to 4.597% on 15 May 2026 — its highest level in a year — as a week of stronger-than-expected inflation data, rising oil prices, and the transition to a new Federal Reserve chair combined to push bond investors to demand higher compensation for holding long-term US government debt.14 The 30-year bond yield jumped to 5.129%, also a fresh high since May 2025.4 Yields and prices move inversely, meaning both figures reflect a substantial sell-off in Treasury bonds during the week.23
The catalyst was a sequence of inflation data releases that repeatedly surprised to the upside. The April consumer price index, released on 12 May, showed annual inflation of 3.8% — above the 3.7% economists had forecast and the highest reading since May 2023.12 Core CPI, which strips out food and energy prices to give a cleaner read on underlying demand-driven inflation, came in at 2.8% year-on-year, above the 2.7% expected.2 The following day, the producer price index — a measure of prices at the wholesale level that often feeds into consumer prices with a lag — came in hotter than expected as well, sending the 10-year yield to a new high for the year.3
What is driving inflation
The persistence of inflation above the Federal Reserve's 2% target reflects a combination of structural pressures that have not fully resolved since the post-pandemic spike.57 Energy costs are a major contributor: oil at or above $100 per barrel feeds directly into petrol prices, transportation costs, and production costs across the economy, adding broadly to the price level in ways that are difficult for monetary policy to address without significantly slowing growth.69
Tariffs on Chinese and other imported goods — maintained and in some cases extended under the Trump administration — are also contributing to price pressures by raising the cost of a range of consumer goods and industrial inputs.58 Economists debate the magnitude of the tariff contribution to current inflation, but there is broad agreement that it is non-trivial, particularly in goods categories where Chinese manufacturing has historically provided significant cost discipline.7
Market implications: rate hike probability surging
The combination of elevated inflation, rising oil prices, and the appointment of a new Fed chair whose policy intentions remain to be demonstrated has pushed market-implied probabilities of a rate hike meaningfully higher.46 The probability of a 25-basis-point hike by December 2026, as priced by CME FedWatch futures, rose to 38% by 15 May, up from around 21% at the start of the week.4 The 2-year Treasury yield — which is most sensitive to near-term rate expectations — crossed 4%, reflecting the market's reassessment of the near-term policy outlook.3
For equity markets, higher yields are a direct headwind. When risk-free government bonds offer 4.5-5% returns, the relative attractiveness of equities diminishes, particularly for growth stocks whose valuations depend heavily on discounting future earnings at low rates.89 The technology sector has been the most visible casualty of the yield spike this week, with Nvidia falling 3.6% and the Nasdaq Composite down 1.1% on the day.6
New York manufacturing surges — a complicated signal
Paradoxically, one of the week's economic data releases pointed in the opposite direction to the inflation concern: the Empire State Manufacturing Index for May leapt to 19.6 — far above the 7.0 consensus estimate and the highest reading in more than four years — suggesting that industrial activity in the New York region is expanding rapidly.610 Strong manufacturing activity is generally positive for growth and employment, but in an inflationary environment it adds complexity to the Fed's policy calculus: robust demand-side strength reduces the urgency for rate cuts even further and increases the case for keeping rates at current levels or raising them.95
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