10-year Treasury yield explained: what 5% means for mortgages

The 10-year Treasury yield closed at 4.96% on October 22, 2026, according to the US Treasury, after spending most of October above 5%. Explained simply, it is the annual return for lending to the US government for ten years, and it anchors mortgage rates.

Data as of: US Treasury daily par yield curve, October 22, 2026 (quotes collected around 3:30 p.m. ET, 19:30 UTC); Freddie Mac weekly survey released October 22, 2026.

Key takeaways

• The 10-year Treasury yield is the return, expressed as an annual rate, that a buyer locks in by holding a 10-year US Treasury note to maturity. It is the most widely used benchmark for long-term borrowing costs.
• Prices and yields move in opposite directions. When yields rise, the market value of existing notes falls. In our worked example, a 0.25-point rise in yield cuts the value of a $1,000 note by about $19.
• Yields are driven by expected Federal Reserve policy, inflation expectations, the term premium investors demand, and demand for safety in a crisis.
• The 10-year par yield was above 5% for most of October 2026, peaking at 5.31% on October 5. It fell 0.17 point to 4.96% on October 22 as investors moved money out of technology stocks and into bonds, according to market reports.
• The official daily figures are free: the Treasury's par yield curve page and the Federal Reserve's DGS10 series on FRED.

10-year Treasury yield explained: what the number means

A Treasury note is a loan to the US government. The Treasury sells notes with terms of 2, 3, 5, 7 or 10 years, and each note pays a fixed rate of interest every six months until it matures, according to TreasuryDirect. The minimum purchase is $100.

The coupon (the "interest rate" in TreasuryDirect's terms) is fixed at the auction and never changes. The yield is different. TreasuryDirect defines yield as "the annual rate of return on the security." It depends on the price you pay. A note bought below its face value earns more than its coupon, because the holder also collects the gap between the purchase price and face value at maturity. A note bought above face value earns less.

So when news reports say "the 10-year yield rose to 5%," they mean that the newest 10-year note now trades at a price that gives a buyer a 5% annual return from today until it matures. Nobody changed the coupon. The market changed the price.

Which "10-year yield" are you looking at?

Different sources quote slightly different numbers for the same day, which can be confusing:

• Treasury par yield curve. The official figure. The Treasury builds it from bid-side price quotes on the most recently auctioned securities, collected by the Federal Reserve Bank of New York at about 3:30 p.m. each trading day, and usually publishes by about 6:00 p.m. ET, according to its methodology page.
• FRED DGS10. The Federal Reserve's H.15 series, "Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity," published on FRED. It is useful for long histories back to 1962 and usually appears a day later.
• Live market quotes. The figures on financial TV and quote sites are traded yields that change minute by minute. They often differ from the par curve by a few hundredths of a point. On October 22, for example, one report cited 4.953% while the Treasury's official close was 4.96%.

Why bond prices and yields move in opposite directions

Imagine you hold a 10-year note with a $1,000 face value and a 5.00% coupon. It pays $25 every six months. If new 10-year notes start yielding 5.25%, nobody will pay $1,000 for your 5% note when they can get more elsewhere. Your note's price has to fall until its yield also reaches 5.25%.

TreasuryDirect's pricing guide states the rule: when the yield is above the coupon, the price is below par; when it equals the coupon, the price is par; when it is below the coupon, the price is above par.

Bullquill calculation using the standard bond pricing formula: the present value of 20 semiannual payments of $25 plus $1,000 at maturity, discounted at half the market yield. Illustrative only; it is not a quote for a specific security.

Two points stand out. First, small yield moves produce meaningful price moves: a quarter point changes the value of a 10-year note by about 2%. That is why a 0.17-point drop in one day, as on October 22, counts as a big move in the bond market. Second, the effect is not symmetrical. A 1-point fall in yield adds more value than a 1-point rise takes away. Bond analysts call this convexity.

The risk only matters if you sell before maturity. A holder who keeps the note for the full ten years still receives every coupon and the full $1,000 at the end, whatever happens to market yields in between.

What drives the 10-year Treasury yield

A useful way to think about a 10-year yield is as two pieces: the average short-term interest rate investors expect over the next ten years, plus a term premium for the risk of locking money up that long. Four forces push those pieces around.

1. Federal Reserve policy

The Fed sets the overnight federal funds rate, not the 10-year yield. But if investors expect the Fed to keep short rates high for years, the 10-year yield rises with those expectations. The Fed raised its target range by a quarter point in September 2026 to 3.75%–4.00%, as Bullquill reported. On October 22, fed funds futures put the chance of another hike at the October 27–28 meeting at about 5%, according to Bloomberg data cited by Yahoo Finance. The same report put the chance of a hike by December at roughly 75%, down from fully priced a day earlier.

2. Inflation and inflation expectations

Inflation erodes the value of fixed coupon payments, so lenders demand higher yields when they expect prices to rise faster. US consumer prices rose 3.7% in the year to September 2026, according to the Bureau of Labor Statistics. Energy is a big part of that story: Brent crude traded around $112 a barrel this week. Bullquill's explainer on how oil price shocks hit inflation and rates covers that channel. Market-based measures still looked calmer. Yahoo Finance reported that breakeven rates implied average inflation of about 2.4% a year over five years, unchanged from before the Iran war began in late February.

3. The term premium

The term premium is the extra return investors expect for holding a 10-year bond instead of rolling over short-term debt for the same period, as the St. Louis Fed's FRED Blog explains. It cannot be observed directly. It has to be estimated with models, so estimates differ. It tends to rise when investors are more uncertain about inflation, government borrowing or policy. The FRED Blog noted that the estimated 10-year term premium rose from about 0.05% before the Fed's September 2024 meeting to above 0.8% on January 13, 2025, its highest since 2011. That rise accounted for more than half of the increase in 10-year yields over that period, even while the Fed was cutting rates.

4. Safe-haven demand

Treasuries are the asset many investors buy when they get nervous. Heavy buying pushes prices up and yields down, even when the economic data point the other way. October 22, 2026 is a clear example. Initial jobless claims fell to 194,000, a sign of a strong labour market that would normally lift yields. Yields fell sharply anyway as investors sold technology and AI-linked shares after Meta's results, according to a 24/7 Wall St. report published by Yahoo Finance. Thomas Urano of Sage Advisory told the outlet that "the flight-to-quality trade is winning in the Treasury space." Bullquill's US stocks daily brief for October 22 has the full session.

Government finances and auction demand also matter. Large deficits mean more Treasury supply, and weak demand at auctions can lift yields. The same pressures pushed France's 10-year bond yield to 5% this month.

October 2026 in numbers: the 10-year around 5%

The 10-year par yield closed above 5% on every trading day of October 2026 until October 22, when it fell to 4.96%. According to 24/7 Wall St., this was its first close below 5% since September 22. The table shows the official figures alongside earlier Octobers for comparison.

Source: US Treasury, Daily Treasury Par Yield Curve Rates (October 2023, October 2025 and October 2026 tables). Spread column calculated by Bullquill. Oct 5, 2026 was the month's highest 10-year close through October 22.

Over a year, the 10-year par yield has risen by almost a full percentage point, from 3.97% to 4.96%. The 2-year yield has risen even more, by 1.20 points. That fits a market that has moved from expecting Fed cuts to pricing Fed hikes.

The yield curve: what the 10-year says next to short rates

The yield curve plots Treasury yields from the shortest maturity to the longest. Normally it slopes upward, because lenders want more for tying money up longer. When short-term yields rise above long-term yields, the curve is inverted.

Inversions have a strong record as a recession warning. A 2018 San Francisco Fed Economic Letter described an inverted curve as one that "is generally followed shortly afterward by an economic recession" in postwar US history. It identified the 10-year minus 3-month spread as "the most useful term spread for forecasting recessions." It is not a perfect signal, though. A 2018 Federal Reserve Board note found that the spread narrowed before each of the six most recent recessions but went negative before only five of them.

The table shows the change. In October 2023 the 3-month bill yielded 5.60% and the 10-year 4.98%, an inversion of 0.62 point. In October 2026 the curve slopes upward again: the 10-year sits 0.74 point above the 3-month bill.

Why the 10-year Treasury yield matters for mortgages, stocks and borrowing

Mortgage rates

A 30-year fixed mortgage is rarely held for the full 30 years, because many borrowers sell or refinance earlier. That is why mortgage rates are usually compared with the 10-year Treasury rather than the 30-year bond. The mortgage rate sits above the Treasury yield by a spread that covers credit risk, prepayment risk and costs. "Mortgage rates tend to follow the 10-year," Yahoo Finance noted on October 22.

Sources: Freddie Mac Primary Mortgage Market Survey (weekly averages, published October 22, 2026); US Treasury par yield curve. The mortgage survey is a weekly average, so it does not fully reflect the October 22 bond rally.

In these readings the gap between the two has stayed at about 2.2 to 2.4 points, even though both rose by more than a point over the year. The spread is not fixed and can widen or narrow, but as long as it holds roughly steady, a lasting move in the 10-year shows up in mortgage rates. Yahoo Finance noted that "if yields stay lower, mortgage rates could follow in the coming days."

Stocks

The 10-year yield is the "risk-free" return that other assets compete against. When it rises, the future profits of companies are worth less in today's money, and that hurts most for growth stocks whose earnings are expected far in the future. A higher yield also makes bonds a more attractive alternative to shares. October 22 showed the relationship can also run the other way: falling stock prices drove money into Treasuries and pulled yields down.

Government, company and consumer borrowing

The 10-year yield feeds into the cost of corporate bonds, many business loans and the interest bill on US government debt. Companies with weaker credit pay a spread on top. That spread can be tracked in the bond market or with credit default swaps. When the benchmark rises, refinancing gets more expensive for everyone along the chain.

Where to find official 10-year Treasury yield data

1. US Treasury daily par yield curve. Official end-of-day yields for maturities from 1 month to 30 years, published every trading day at home.treasury.gov. Filter by month or year, or download a CSV file.
2. FRED, series DGS10. The Federal Reserve's 10-year constant-maturity series from 1962 onward, with charts and downloads at fred.stlouisfed.org. FRED also publishes ready-made spreads such as 10-year minus 3-month.
3. TreasuryDirect. Auction schedules and results, and direct purchase of notes in $100 increments, at treasurydirect.gov.
4. Freddie Mac PMMS. Weekly mortgage rate averages, published on Thursdays at 12 p.m. ET, at freddiemac.com.

What it means

The 10-year Treasury yield is one number that compresses a lot of information: where markets think Fed policy is heading, how worried they are about inflation, how much extra they want for lending long, and how scared they are of everything else. In October 2026 all four forces were active. A Fed in hiking mode and 3.7% inflation held the yield above 5% for weeks. A sudden rush to safety on October 22 pulled it back below.

For households, the most direct effect is on mortgage rates, which have moved with the 10-year and sit above 7%. For investors, the level of the 10-year shapes how stocks and other assets are valued. The next tests on the calendar are the Fed's decision on October 28 and new inflation data. If yields stay below 5%, borrowing costs could ease slightly. If they move back above, the opposite applies. Neither outcome is certain.

Sources

• US Treasury: Daily Treasury Par Yield Curve Rates, October 2026
• US Treasury: Daily Treasury Par Yield Curve Rates, October 2025
• US Treasury: Daily Treasury Par Yield Curve Rates, October 2023
• US Treasury: Treasury Yield Curve Methodology
• FRED: Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity (DGS10)
• TreasuryDirect: Treasury Notes
• TreasuryDirect: Understanding Pricing and Interest Rates
• Freddie Mac: Primary Mortgage Market Survey
• US Bureau of Labor Statistics: Consumer Price Index news release
• FRED Blog (St. Louis Fed): The term premium (May 2025)
• San Francisco Fed Economic Letter: Information in the Yield Curve about Future Recessions (2018)
• Federal Reserve Board FEDS Notes: Predicting Recession Probabilities Using the Slope of the Yield Curve (2018)
• Yahoo Finance: Bond traders are backing off Fed rate hike bets (Oct. 22, 2026)
• 24/7 Wall St. via Yahoo Finance: The 10-year yield just fell below 5% as investors fled AI stocks (Oct. 23, 2026)

This article is for information only and is not investment advice.