Harmonic (Nasdaq: HLIT) is expected to report Q4 earnings on Jan. 29. 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 Harmonic's revenues will wither -4.2% and EPS will wither -33.3%.

The average estimate for revenue is $137.5 million. On the bottom line, the average EPS estimate is $0.08.

Revenue details
 Last quarter, Harmonic booked revenue of $136.7 million. GAAP reported sales were 1.6% lower than the prior-year quarter's $138.9 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 $0.07. GAAP EPS were -$0.07 for Q3 against $0.03 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 43.8%, 230 basis points worse than the prior-year quarter. Operating margin was -0.7%, 350 basis points worse than the prior-year quarter. Net margin was -6.0%, 860 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $534.6 million. The average EPS estimate is $0.23.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 286 members out of 305 rating the stock outperform, and 19 members rating it underperform. Among 53 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 51 give Harmonic a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Harmonic is hold, with an average price target of $5.32.

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