--- title: "Mortgage Rates Fall After Hot CPI and PPI: What Happened" description: September CPI hit 3.7% and wholesale prices jumped 1.3%, yet the 10-year yield fell to about 5.05%. Here’s what drove it and what it means for buyers. image: https://45730973.fs1.hubspotusercontent-na1.net/hubfs/45730973/Screenshot%202026-10-15%20093807.png --- [NateLoans](https://nateloans.com/) [About](https://nateloans.com/#about) [Loan Types](https://nateloans.com/#loans) [Calculators](https://nateloans.com/#tools) [How It Works](https://nateloans.com/#process) [Reviews](https://nateloans.com/#reviews) [Blog](https://nateloans.com/blog) [Contact](https://nateloans.com/#contact) [(617) 945-3632](tel:6179453632) [Get Pre-Approved](https://mobile.fairwaynow.com/homehub/signup/nate.moghadam@FAIRWAYMC.COM) # Mortgage Rates Fall After Hot CPI and PPI: What Happened October 15, 2026 Nate Moghadam Here is the strange part of this week. September inflation came in hotter than expected on Wednesday. Wholesale inflation came in far hotter on Thursday morning. Normally that is a recipe for higher mortgage rates. Instead, the 10-year Treasury yield, the benchmark mortgage rates follow most closely, dropped to about 5.05 percent, roughly a three-week low, and lender rate sheets improved more than once in a single day. Here is what the data showed, why bonds did the opposite of what you would expect, and what it means if you are buying or refinancing. This post reflects conditions as of the morning of Thursday, October 15, 2026. ## The Numbers at a Glance | Report | Result | Expected | | --- | --- | --- | | **CPI, yearly** | 3.7% | 3.6% | | **Core CPI, yearly** | 2.6% | 2.5% | | **PPI, monthly** | 1.3% | 0.5% | | **Retail sales, monthly** | 0.8% | 0.3% | Every one of those beat forecasts, and every one of them points toward inflation and a strong economy. None of them is the kind of news that normally helps mortgage rates. ## What the Inflation Reports Showed **Consumer prices (CPI, released Wednesday).** Prices rose 0.6 percent in September and 3.7 percent over the past year, up from 3.4 percent in August. Gasoline was the main driver: it jumped 9.1 percent in the month and accounted for more than half of the monthly increase. Energy prices overall are up about 20 percent from a year ago. Core CPI, which strips out food and energy, rose 0.3 percent for the month and 2.6 percent for the year, slightly above what economists expected. Shelter costs rose 0.4 percent. **Wholesale prices (PPI, released Thursday).** Producer prices rose 1.3 percent in September, the biggest monthly jump since March 2022, and are up 6.3 percent from a year ago. Energy again did most of the damage: wholesale energy prices rose 10.8 percent and gasoline rose 20.3 percent. Retail sales also came in strong, up 0.8 percent against a 0.3 percent forecast. The common thread is energy. Core inflation is running much calmer than the headline number, but the Federal Reserve is watching closely, because energy price spikes can leak into everything else if they last. ## What the 10-Year Did On Wednesday, right after the CPI report, the 10-year yield spiked toward 5.3 percent. That is the reaction you would expect. But it gave most of that back by the close, finishing near 5.2 percent, about where it started the day. Yields kept sliding on Thursday morning, down roughly a dozen basis points from the open to about 5.05 to 5.08 percent, the lowest level in about three weeks. They were already falling before the 8:30 a.m. PPI report, and the hot number did not reverse the move. When the 10-year falls, mortgage rates usually follow, and lenders repriced in the right direction. ## What Drove the Drop Nobody can point to one single cause, and anyone who claims to be certain is guessing. But the reporting from the last two days points to two things that happened at the same time. **1. Fed officials said there is no rush.** After Wednesday's CPI report, markets briefly priced in about a 50 percent chance of another Fed hike this month. Then Fed Governor Michelle Bowman said the Fed has time to wait and assess before deciding whether more action is needed after September's hike, and San Francisco Fed President Mary Daly said another hike would likely be needed but that there is no urgency. By Thursday morning, pricing for an October hike had fallen to about 27 percent. **2. Investors ran from tech and AI stocks.** Tech and AI shares sold off hard. The Nasdaq 100 fell about 2 percent on Wednesday, led by chip stocks, and the selloff spread overseas on Thursday, with South Korea's chip-heavy Kospi plunging. Reports pointed to renewed worries about the heavy debt loads of AI companies. When investors get nervous about stocks, they move money into the safest place they can find, which is U.S. Treasury bonds. More buyers for bonds pushes their prices up and their yields down. How much each factor mattered is something no one can know for sure. What we can see is the timing: yields fell as Fed officials signaled patience and as tech stocks sold off, and they stayed low after the PPI report. ## Where the Fed Fits In The Fed raised its target range to 3.75 to 4.00 percent at its September meeting, and its next meeting is October 27 and 28. Markets now lean toward a hold in October, but another hike in December is still widely expected at around 90 percent odds, and this week's data did nothing to change that. Fed Chair Kevin Warsh is also scheduled to speak Friday, which could move markets again. If you want the full picture on the odds, I covered it here: [October Fed hike odds](https://nateloans.com/blog/october-fed-hike-odds-2026). ## What This Means If You Are Buying or Refinancing Rates are better than they were a few days ago, and that is real. A lower 10-year yield can mean a lower payment on the same loan, which can change what you qualify for and what you are comfortable spending. But understand why it happened. This drop is coming from a pause in Fed hike expectations and fear in the stock market, not from good inflation news. Both can reverse quickly. If stocks stabilize, yields can climb right back. If the Fed sounds more aggressive, or the next inflation report runs hot, the same thing can happen. That has a few practical implications: - **If you are house hunting,** get fresh numbers now instead of assuming last week's payment still applies. The right budget may have moved. - **If you are under contract and floating,** talk to your lender about whether to lock. Waiting for rates to fall further is a bet, not a plan. Here is how to think about the tradeoff: [when to lock your mortgage rate](https://nateloans.com/blog/when-to-lock-mortgage-rate-2026). - **If you are pre-approved but have not found a house,** ask for an updated scenario. A better rate can raise your purchasing power. - **If you are waiting on a better rate before buying,** be careful about trying to time the bottom. Nobody calls it consistently, and one good week does not make a trend. One more tip: rate moves help most when your file is ready. Pre-approval delays can cost you the window, so it is worth knowing why they happen: [why pre-approval takes so long](https://nateloans.com/blog/why-pre-approval-taking-so-long). **Want to see where your numbers stand after this week's move?** [Get a free rate quote](https://nateloans.com/rate-quote) or [book a free 15-minute call](https://calendly.com/natemoghadam/homebuyer-consultation) and I will walk you through your options. ## Frequently Asked Questions **Why did mortgage rates fall if inflation came in hot?** Mortgage rates follow the 10-year Treasury yield, and that yield is driven by bond demand and Fed expectations as well as inflation. This week, Fed officials signaled they were in no rush to hike again and a selloff in tech and AI stocks sent investors into Treasuries. Both pushed yields down even after hot inflation data. No one knows exactly how much each factor mattered. **Will mortgage rates keep dropping?** Nobody knows. The drop is tied to stock market fear, which can reverse quickly. The drop is tied to a pause in Fed hike bets and stock market fear, and both can reverse quickly. A stock rebound or a more aggressive Fed could send yields back up, so it is risky to count on further declines. **What is the difference between CPI and PPI?** CPI measures what consumers pay for goods and services. PPI measures what producers receive for what they sell, so it often shows price pressure before it reaches shoppers. **Will the Fed raise rates again?** The Fed meets October 27 and 28. Markets lean toward a hold at that meeting, with another hike in December widely expected. That could change with new data. **Should I lock my rate now?** It depends on your closing date and how much risk you can tolerate. If you are under contract and the payment works for you, locking removes the uncertainty. Talk to your lender about your specific situation. ## The Bottom Line This week's data said inflation is running hot, and bonds rallied anyway because Fed officials signaled patience and investors were running from tech stocks. That makes this a window of better rates, but not a trend you can count on. If a better payment changes what you can do, now is the time to get your numbers in front of you and decide, not to guess where rates go next. --- Nate Moghadam | NMLS #906770 | Fairway Independent Mortgage Corporation | Company NMLS #2289 | Equal Housing Lender. This is general market commentary, not a rate quote or a commitment to lend. Rates, terms, and programs are subject to change without notice. All loans subject to credit and property approval. [Legal Disclosures](https://www.fairway.com/legal/legal-disclosures) Topics: [Mortgage Rates](https://nateloans.com/blog/tag/mortgage-rates) [Federal Reserve](https://nateloans.com/blog/tag/federal-reserve) [CPI](https://nateloans.com/blog/tag/cpi) [PPI](https://nateloans.com/blog/tag/ppi) [10 Year Treasury](https://nateloans.com/blog/tag/10-year-treasury) Share this post: Copy Link ![Nate Moghadam](https://45730973.fs1.hubspotusercontent-na1.net/hubfs/45730973/raw_assets/public/nateloans/images/nate-headshot.jpeg) **Nate Moghadam** Mortgage Loan Officer · Fairway Independent Mortgage · NMLS #906770 10+ years helping buyers, homeowners, and real estate agents navigate the mortgage process across 14 states. ### Talk to Nate Have questions about your specific situation? Book a free 15-minute call. [Book a Free Call](https://calendly.com/natemoghadam/homebuyer-consultation) ### Ready to Apply? Start your pre-approval online in minutes. Fast, easy, no obligation. 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