The Cheesecake Factory spent years being described as steady. Last quarter it became something more interesting: a casual-dining chain with accelerating traffic, a decade-high margin at its flagship brand and a rewards app that management credits with bringing in genuinely new guests. The stock has since rallied hard, so the third-quarter report due after the close on October 27 is less about whether the business is healthy and more about whether the second-quarter breakout was the start of a trend or a single standout period.

Wall Street expects earnings of $0.92 per share on revenue of $990.9 million. That works out to roughly 35% earnings growth and about 9% revenue growth from a year ago, when the company earned $0.68 on $907.2 million in sales. The revenue figure deserves a close look. Management guided third-quarter revenue to $980 million to $990 million, and when that range was issued the consensus sat near $954 million. Analysts have since climbed past the top of the company's outlook, which means merely hitting guidance would leave the Street slightly disappointed. The Earnings Whisper of $0.93 sits a penny above consensus, a trivial gap that nonetheless confirms the bar is set at the optimistic end of reasonable.

The most important number will be comparable sales at the namesake brand. In the second quarter, comps jumped 5.8% with traffic up 2.7%, a sharp turn from traffic declines just a quarter earlier and from a flat 0.3% comp in the year-ago third quarter. That soft prior-year base gives the company an easy comparison, so sustaining mid-single-digit comps with positive traffic would validate the idea that the app and the wave of social media buzz around menu hacks are producing durable visits rather than a launch-period novelty. A slide back toward low-single-digit growth, or traffic turning negative again, would suggest the second quarter was flattered by a one-time burst of curiosity.

Margins are the second test. Restaurant-level margin at the flagship hit 20.0%, the best in a decade, versus 16.3% in last year's third quarter. Management roughly doubled its full-year four-wall margin expansion target to about 60 basis points and lifted its net income margin goal to 5.4%. Those raises only hold up if sales leverage continues, so a meaningful step back in the third quarter would raise questions about the full-year math. Flower Child, with comps accelerating to 13%, offers further upside, while North Italia remains the drag. Its comps worsened to negative 3% and mature margins of 15.6% still trail the 16% to 18% target. Management warned that traffic there could be choppy for several quarters, so investors should look for signs of stabilization rather than a full recovery.

Expectations have clearly risen. Shares are up about 24% since the last report against a roughly 3% gain for the S&P 500, trade far above the 200-day moving average near $77 and sit about 3% below the post-earnings high of $118.63. Sentiment has improved to modestly bullish from a thinner reading heading into the prior quarter. That combination leaves less room for a merely clean quarter.

The guidance discussion may matter as much as the results. Management framed its implied fourth-quarter slowdown as prudence around the midterm elections and a tough shutdown-related comparison. If the company holds or nudges up its roughly $4.0 billion annual revenue outlook while flagship traffic stays positive, the acceleration story remains intact. If comps cool and that conservatism starts to look like realism, the rally will face its first serious test.