iRobot (Nasdaq: IRBT) is expected to report Q3 earnings on Oct. 23. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict iRobot's revenues will grow 6.4% and EPS will drop -13.2%.

The average estimate for revenue is $128.1 million. On the bottom line, the average EPS estimate is $0.33.

Revenue details
 Last quarter, iRobot logged revenue of $111.4 million. GAAP reported sales were 3.1% higher than the prior-year quarter's $108.1 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, non-GAAP EPS came in at $0.27. GAAP EPS of $0.26 for Q2 were 10% lower than the prior-year quarter's $0.29 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 44.4%, 500 basis points better than the prior-year quarter. Operating margin was 9.5%, 120 basis points worse than the prior-year quarter. Net margin was 6.6%, 80 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $479.7 million. The average EPS estimate is $0.87.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 1,139 members out of 1,259 rating the stock outperform, and 120 members rating it underperform. Among 338 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 304 give iRobot a green thumbs-up, and 34 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on iRobot is hold, with an average price target of $27.67.