The quick read: The 10-year Treasury yield, the benchmark many fixed-rate commercial real estate loans price over, fell from 5.28% on October 7 to 5.10% on October 15, 2026, according to the U.S. Treasury's daily par yield curve. That is a dip of 0.18 percentage points, or 18 basis points. On an illustrative $2 million loan, a move that size trims the monthly payment by about $241 and lifts the debt service coverage ratio from just under 1.25 to about 1.27. It is a dip, not a turn: the Federal Reserve raised its target range on September 16, and the 10-year is still more than a point above its 2026 low. Borrowers with a deal ready can use the window to collect quotes; nobody can promise it stays open.
What did the 10-year Treasury yield do in the week to October 15, 2026?
The 10-year Treasury par yield eased from 5.28% on October 7 to 5.10% on October 15, 2026, in the U.S. Treasury's daily par yield curve, a decline of 18 basis points over six trading days. The 5-year eased as well, while the 2-year finished where it started, so the move was concentrated at the long end.
The path was steady rather than a single jump. Treasury's table shows the 10-year at 5.24% on October 9, 5.21% on October 13, 5.19% on October 14 and 5.10% on October 15. The Federal Reserve's H.15 Selected Interest Rates release dated October 15, 2026 reports the same 10-year values for October 9, 13 and 14 (5.24, 5.21 and 5.19). The 5-year moved from 5.06% on October 2 to 4.91% on October 15. The 2-year was 4.77% on both October 7 and October 15.
10-year Treasury, October 7, 2026 (U.S. Treasury): 5.28% 10-year Treasury, October 15, 2026 (U.S. Treasury): 5.10% Change over the week (our arithmetic): down 0.18 percentage points 5-year Treasury, October 2 to October 15, 2026 (U.S. Treasury): 5.06% to 4.91% 2-year Treasury, October 7 and October 15, 2026 (U.S. Treasury): 4.77% on both dates
Why does the 10-year Treasury matter for a commercial real estate loan?
The 10-year Treasury matters because a fixed-rate permanent loan is usually quoted as a Treasury yield of matching term plus a lender spread, so when the Treasury index falls and the spread holds, the note rate falls with it. Many agency, CMBS and life company loans on a 10-year term are quoted this way.
Freddie Mac's Multifamily Seller/Servicer Guide spells out the mechanics for its fixed-rate loans: at rate lock, the yield rate is the greater of the actual yield on the designated benchmark U.S. Treasury security and any Treasury floor, and the interest rate equals that yield rate plus the net spread and the servicing spread. Freddie Mac's lock options page calls the Treasury index "the most volatile part of the coupon."
Not every loan follows the 10-year. A 5-year fixed loan tracks the 5-year Treasury, many bank loans price over a shorter Treasury or over prime, and floating bridge and construction loans move with short-term rates, which did not fall this week. A 30-year DSCR rental loan is priced off its own lender's rate sheet, which tends to follow longer-term yields but is not a fixed formula. Ask each lender which index the quote uses, what spread it adds, and whether there is an index floor. For how lenders size these loans in the first place, see our guide to DSCR loan requirements in 2026.
How much does an 18 basis point dip change a loan payment and DSCR?
On an illustrative $2 million loan with a 30-year amortization and a fixed spread, an 18 basis point drop in the index cuts the monthly payment by about $241, raises the debt service coverage ratio from 1.249 to 1.272, and adds roughly $36,800 of loan capacity at a 1.25 minimum.
The table below is our own arithmetic, not a quote. It assumes a $2,000,000 loan, net operating income of $200,000 a year, a 30-year amortization, and a hypothetical spread of 1.75 percentage points that does not change. Real spreads depend on the property, leverage, sponsor and lender, and can move on their own.
Table: Illustrative effect of the October 2026 10-year Treasury dip on one loan (our arithmetic)
| Input or result | Index at 5.28% (Oct 7 10-year) | Index at 5.10% (Oct 15 10-year) | Difference |
|---|---|---|---|
| Input or result Hypothetical spread | Index at 5.28% (Oct 7 10-year) 1.75 points | Index at 5.10% (Oct 15 10-year) 1.75 points | Difference none |
| Input or result Note rate | Index at 5.28% (Oct 7 10-year) 7.03% | Index at 5.10% (Oct 15 10-year) 6.85% | Difference down 0.18 points |
| Input or result Monthly payment on $2,000,000 | Index at 5.28% (Oct 7 10-year) $13,346 | Index at 5.10% (Oct 15 10-year) $13,105 | Difference down about $241 |
| Input or result Annual debt service | Index at 5.28% (Oct 7 10-year) $160,156 | Index at 5.10% (Oct 15 10-year) $157,262 | Difference down about $2,894 |
| Input or result Net operating income | Index at 5.28% (Oct 7 10-year) $200,000 | Index at 5.10% (Oct 15 10-year) $200,000 | Difference none |
| Input or result Debt service coverage ratio | Index at 5.28% (Oct 7 10-year) 1.249 | Index at 5.10% (Oct 15 10-year) 1.272 | Difference up about 0.02 |
| Input or result Largest loan at a 1.25 minimum | Index at 5.28% (Oct 7 10-year) about $1,998,000 | Index at 5.10% (Oct 15 10-year) about $2,034,800 | Difference up about $36,800 |
The dollar change looks small, and on its own it is. The point is the threshold. In the illustration, the deal sits a hair under a 1.25 minimum at the October 7 index and clears it at the October 15 index. When a loan is sized to the coverage ratio, the rate decides the proceeds, so a borrower near the line can see the full requested amount at one index and a cut at another. Rerun the numbers on your own deal with the DSCR calculator.
Illustrative loan amount: $2,000,000 Illustrative net operating income: $200,000 a year Illustrative amortization: 30 years Illustrative spread over the index: 1.75 percentage points
Is this dip the start of falling rates?
Nothing in the data shows a reversal, because the Federal Reserve raised its policy rate a month ago, the 10-year remains more than a point above its late-February low, and a week of easing has happened before this year without lasting. Treat it as a window, not a forecast.
The Federal Open Market Committee's statement of September 16, 2026 raised the target range for the federal funds rate by 1/4 percentage point to 3-3/4 to 4 percent, by a 12-0 vote, and said "Inflation remains elevated." The Fed's calendar lists the next meeting for October 27-28, 2026. Treasury's 2026 table puts the year's lowest 10-year close at 3.97% on February 27, which means the October 15 reading of 5.10% is still about 1.13 points higher. The same table shows the 10-year at 5.31% on October 5, its highest close of the year so far.
Federal funds target range after September 16, 2026 (FOMC): 3-3/4 to 4 percent Next scheduled FOMC meeting (Federal Reserve calendar): October 27-28, 2026 Lowest 2026 10-year close (U.S. Treasury): 3.97% on February 27, 2026 Highest 2026 10-year close (U.S. Treasury): 5.31% on October 5, 2026
We are not predicting where yields go next. A dip can extend, stall or reverse in a session, and the long end can move against the Fed or with it. What a borrower controls is readiness, not the market.
Should you lock a rate now or wait for a further dip?
Whether to lock depends on how close your deal is to a coverage or proceeds threshold and how much a reversal would cost you, because a lock fixes the index you have while waiting bets on a better one with no guarantee it arrives. A deal near its minimum ratio has the most to lose.
Lock mechanics differ by lender, and the terms matter as much as the timing. Freddie Mac's Index Lock term sheet (May 2025) lets eligible borrowers lock the Treasury index on a fixed-rate loan any time after a signed application reaches Freddie Mac, with a 60-day lock period for most conventional loans, a 2% good faith deposit retained by the lender, and a statement that it is not a commitment or credit approval. If loan terms, the property or the borrower change, the quote is adjusted. Our article on why a lender can change your rate or proceeds after the term sheet covers how those adjustments happen.
Before you decide, ask each lender four things in writing:
- Which Treasury or other index the rate is quoted over, and whether there is an index floor
- When the index can be locked, and when the spread is locked
- What deposit a lock requires and when it is refundable
- What happens to the locked rate if proceeds, terms or the property change
What does the October dip mean for a refinance?
For a refinance, the dip matters most when the new loan is sized to debt service coverage, because a lower index raises the loan amount the property's income supports and can narrow a cash-in gap. It matters least when the existing loan carries a rate well below today's level.
Many loans that mature in 2026 were written when the 10-year was far lower, so an 18 basis point dip rarely brings the new payment down to the old one. It can, though, change the sizing math. Using the illustration above, the same income supports about $36,800 more debt at a 1.25 minimum. On a loan that was short of the payoff, that narrows the equity check. On a cash-out refinance, it modestly raises proceeds.
Check the cost of leaving the old loan as well. Prepayment terms such as yield maintenance are often calculated against Treasury yields, and when Treasury yields fall, a yield maintenance payment generally rises. Ask the current servicer for a payoff quote dated after the move, then compare it with the new loan's terms. For a live view of benchmark rates, see the YieldStack rates page.
How do you get several lenders quoting while a window is open?
The way to use a short rate window is to have a complete package before the market moves, so several lenders can quote on the same facts on the same day and you can compare spreads, floors and lock terms side by side rather than chasing one lender's quote as rates change.
YieldStack is a commercial mortgage brokerage. Software matches the deal against 20,000+ loan programs and returns 5–8 matches to compare; human brokers structure the deal, negotiate on the borrower's side and carry it toward closing. YieldStack reports a median first offer in under an hour, from an institutional lender. Every credit decision is made by the lender; YieldStack arranges the introductions and negotiates on the borrower's side, and no loan, rate, or closing is guaranteed.
A package that gets clean quotes in a moving market includes:
- Trailing 12-month operating statement and current rent roll
- Current loan statement, maturity date and a dated payoff quote with any prepayment cost
- Target loan amount, term, amortization and the minimum proceeds you need
- Purchase contract or most recent appraisal
- Insurance quote and current tax bill
- The rate structure you want: fixed term, index and lock timing
When it is ready, send the deal for review. It costs Zero upfront to submit a deal and review offers; YieldStack's broker fee is 0.50–1.00% of the loan amount and is paid only at closing.
The bottom line
The 10-year Treasury eased 18 basis points in the week to October 15, 2026, to 5.10%, while the 2-year held flat. On a loan sized to debt service coverage, a move that small can decide whether a deal clears its minimum ratio. It is not a trend change: the Fed raised rates in September and the 10-year is still more than a point above its February low. If your deal is ready, collect quotes and compare lock terms now; do not bet the deal on a further dip.