Lennar is very much a household name - no pun intended - in the US, as they are after all the second-largest homebuilder in the country.That being said, it's not a name that markets typically focus on and pay much attention to most of the time. But considering the current macro backdrop, perhaps their earnings call this time around might offer something more than just the usual read on housing. Could it also tell us something about the impact of higher rates on the real economy?Lennar will be reporting earnings after the close on 16 September later today. The consensus is looking for roughly $1.29 to $1.30 in EPS on about $8.37 billion in revenue.The company did beat analyst estimates in Q2 this year, but that came after four straight quarters of missing estimates. Meanwhile, the adjusted EPS for Q3 last year was $2.00. So, that provides a bit of a backdrop as to what we're working with.Besides that, Lennar has also guided for 20,500 to 21,500 home deliveries, 21,000 to 22,000 new orders, and gross marginsof around 16%.All the numbers and the housing jargon might seem a bit complicated but the real story is perhaps one more simple.It is purely just what sky-rocketing rates would signal for Lennar and the broader economy.Housing is one of the clearest places to see the impact of higher rates on the real economy. We can talk all day about Treasury yields moving above 5%, but Lennar gives us a much more tangible read on what that actually means for households.From Lennar's perspective, mortgage rates at 7% and high home prices could spell trouble as it begs the question: "Can homebuilders keep selling homes in a higher-for-longer rate environment without sacrificing even more profitability?"But from a buyer's perspective, it's a whole different read. A 20 or 30 bps move in mortgage rates can materially change affordability for a buyer.Looking beyond the surface numbers, it makes the company’s order book, pricing and guidance a useful gauge of how much strain consumers are willing to absorb.I reckon this is what makes the earnings release here one of the more interesting ones this week - not that there was much on the calendar anyway.If Lennar can hold orders and protect margins, it would suggest the housing market is coping better with tighter financial conditions than many might expect. But if they have to push harder on discounts to maintain volume, that might be a signal that the underlying message is quite different.The Q3 numbers itself might be what Lennar shares react to at the end of the day. But the guidance and how Lennar is planning to deal with 7% mortgage rates sticking is the more interesting bit for broader markets and the economy.On the former, just be wary that Lennar has traded lower after 11 of the last 12 reports with an average loss of -4.66%. So, that's not exactly a good sign of things to come.As for the latter, at least it might tell us something about homebuilders, consumer confidence, and whether 5% yield and this high-rate environment is starting to bite more visibly into the US economy.Stock outlookLennar shares have had quite a year to forget already in 2026 so far. Surging mortgage rates, sluggish housing demand, and shrinking gross margins have been major headwinds for the homebuilder.And when you throw in the fact that there's also a series of analyst downgrades, it's easy to see why investors have took to the exits.The technical chart also exemplifies that sentiment, following the break of the 2023 and 2025 lows back in March. It's no coincidence that the US-Iran war has been a trigger for the negative outlook, as higher oil prices basically translates to higher rates and that is showing up in mortgages more quickly than it does the Fed.And so until that outlook changes, it will be tough to see Lennar find much relief in the short-term. That especially if margins continue to be hit by persistently higher rates, forcing Lennar to heavily depend on financial incentives and price reductions to maintain its construction volume.Given that consideration, things still look bearish for the stock and the technicals are also leaning in that same angle. All else being equal, the October 2022 lows near $70 may be the next key line in the sand to watch. This article was written by Justin Low at investinglive.com.