Inflation Cooled and Rates Fell — Time to Run Your Refi Math?

Last Monday, mortgage rates touched their highest level in about a year. By Friday, they'd ended the week at their lows — the average 30-year fixed finished at 6.63% per Mortgage News Daily. What happened in between? The inflation report I flagged in last week's post landed, and it came in much cooler than expected. That kind of round trip in five days is a reminder of how fast this market can move — and it's a good excuse to walk through the refinance break-even math, because a few readers are suddenly closer to "worth it" than they were a week ago.

How the CPI verdict landed

Last week I said Tuesday's June inflation report was the biggest scheduled event on the calendar, and it delivered. Headline prices actually fell for the month, pulling annual inflation down to roughly 3.5%, and the core reading — the one the bond market watches most closely — came in flat for the month. A day later, the producer-price report (inflation at the wholesale level) was also softer than forecast. Back-to-back cool readings are exactly what bonds wanted to see, and mortgage rates followed: from matching their highest levels since July 2025 on Monday to the week's lows by Friday's close.

There's a Fed angle too. Heading into the week, markets were pricing in real odds that the Fed might need to respond to sticky inflation at its late-July meeting. After the data, those odds faded sharply. That said, Fed officials have been clear that one soft month doesn't settle anything — they want to see a string of cooler readings. So I'm not going to tell you rates are headed anywhere in particular, because nobody knows. What I can tell you is what today's number means in dollars.

The refi break-even, step by step

The break-even is the only refinance math that matters: how many months of savings does it take to pay back the cost of doing the loan? Here's a realistic example. Say you took a $420,000 loan at 7.5% back when rates peaked — your principal-and-interest payment is about $2,937 a month. Refinance that balance at 6.625% and the payment drops to about $2,689. That's roughly $248 a month back in your pocket.

• If your closing costs are about $6,000, you break even in roughly 24 months — every month after that is pure savings, about $3,000 a year.
• Planning to stay in the home five years or more? That refi likely pays for itself twice over.
• Planning to move within two years? The math says wait — the savings never catch up to the cost.

Your numbers will differ — loan size, rate, costs, and how lender credits are structured all move the break-even. The point is that it's arithmetic, not a hunch. If you tell me your current rate and balance, I can run your actual break-even in about five minutes.

And if you're buying, not refinancing

The same move matters on the purchase side. On a $450,000 loan, the difference between Monday's high and Friday's close is about $57 a month — real money over time, but not a reason to panic-buy or to sit on your hands. What last week really showed is that a single data release can move your payment in either direction while you're shopping. If you're getting close to writing offers, have your file ready to lock so you can act on a good day instead of watching it pass.

Where we stand

Our posted 30-year rate today is 6.25% — below the national average — and the full sheet, including 15-year, FHA, VA, bank statement, and DSCR pricing, is on the live rates page, updated every morning. For context, the broader survey numbers: the MND 15-year average is at 6.16%, FHA at 6.25%, VA at 6.26%, and Freddie Mac's weekly survey printed 6.55% on Thursday.

The Fed meets late next week, and I'll cover how the market takes it. If you'd rather get the short version in your inbox, subscribe to the free rate alert list. And if you want to talk through your own refi math — or whether to lock a purchase loan — my number is at the top of the page. I answer it personally.