Sourcefire (Nasdaq: FIRE) is expected to report Q3 earnings on Oct. 30. 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 Sourcefire's revenues will grow 23.4% and EPS will increase 10.5%.

The average estimate for revenue is $55.8 million. On the bottom line, the average EPS estimate is $0.21.

Revenue details
 Last quarter, Sourcefire tallied revenue of $50.6 million. GAAP reported sales were 39% higher than the prior-year quarter's $36.5 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 $0.16. GAAP EPS were $0.04 for Q2 versus -$0.01 per share for the prior-year quarter.

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 77.2%, 30 basis points worse than the prior-year quarter. Operating margin was 3.2%, 490 basis points better than the prior-year quarter. Net margin was 2.2%, 330 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $214.0 million. The average EPS estimate is $0.76.

Investor sentiment
 The stock has a two-star rating (out of five) at Motley Fool CAPS, with 143 members out of 181 rating the stock outperform, and 38 members rating it underperform. Among 48 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 36 give Sourcefire a green thumbs-up, and 12 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Sourcefire is outperform, with an average price target of $55.64.

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