Martin Marietta heads into its third-quarter report with an awkward split in expectations. Wall Street is looking for revenue to climb roughly 26% from a year ago, yet earnings per share are expected to fall about 12%. That gap captures the debate around the stock right now. The company has bought a lot of tonnage and raised its sales outlook, but investors have not yet seen that growth reliably reach the bottom line, and the shares have slid while they wait.

Consensus calls for EPS of $5.27 on revenue of $2.32 billion, compared with $5.97 and $1.85 billion in the same quarter last year. That would also be a solid step up from the $5.00 and $1.95 billion posted last quarter, which fits the seasonal pattern of a peak construction quarter. The revenue estimate leans heavily on acquisitions, including the New Frontier Materials deal that closed in May. Management raised full-year revenue guidance to $7.2 billion to $7.4 billion from $7.0 billion to $7.32 billion, while the full-year consensus of roughly $7.1 billion sits below even the low end of that new range. Either the Street is skeptical of the raise or its models have not fully caught up, and a strong top-line quarter could force estimates higher.

The more important number may be one management did not raise. Adjusted EBITDA guidance from continuing operations was only reaffirmed at $2.36 billion to $2.5 billion, because persistently high diesel and energy costs are eating the contribution from newly acquired operations. That makes cost per ton the quarter's key swing factor. Last quarter, organic cost per ton rose 3.6% even with a freight headwind, and management said more than $200 million of a roughly $350 million cash-flow improvement program was already delivered. If unit costs keep growing slower than organic pricing during the busiest quarter of the year, the case for margin expansion holds. If energy costs overwhelm those savings, the flat EBITDA guide starts to look like a ceiling rather than a floor.

Pricing is the other area where the headline can mislead. Reported aggregates prices fell 2% last quarter because acquired tons, such as New Frontier at around $12 a ton and the former Quikrete assets well below the company average, drag down the blended figure. Management argued the decline is purely optical, pointing to mix-adjusted organic pricing up 3.7%, and it sounded confident that reported pricing would look cleaner next year. A third quarter with organic pricing holding in that range, supported by the newly completed company-wide rollout of its PreciseIQ quoting tool, would back that view. Any slippage in organic price would be harder to explain away. On volume, a fifth straight quarter of organic growth, helped by data centers, energy and infrastructure work, would show demand broadening even as single-family housing and light commercial building remain held back by affordability.

The market has not given management much benefit of the doubt. Shares are down about 10.6% since the last report while the S&P 500 gained 4%, and at roughly $504 the stock sits well below its 200-day moving average near $578. It trades in the lower part of its post-earnings range of about $465 to $577, which itself sits entirely below the prior quarter's band. Sentiment remains bearish and is essentially unchanged from last quarter, suggesting caution rather than outright capitulation. Uncertainty around digesting the proposed Lhoist North America lime combination, along with the promise to deleverage within two years of closing, likely adds to the hesitation.

In the end, this report comes down to conversion. Martin Marietta has shown it can grow revenue through deals and steady organic demand. What it needs to show now is that its cost program and pricing discipline can absorb higher energy bills well enough to keep its EBITDA range intact, and perhaps move it upward. Evidence of that would make the recent selloff look premature. Another quarter of rising sales with shrinking earnings would confirm the market's doubts.