SanDisk (Nasdaq: SNDK) is expected to report Q4 earnings on Jan. 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 SanDisk's revenues will wane -3.0% and EPS will wither -42.6%.

The average estimate for revenue is $1.53 billion. On the bottom line, the average EPS estimate is $0.74.

Revenue details
 Last quarter, SanDisk notched revenue of $1.27 billion. GAAP reported sales were 10% lower than the prior-year quarter's $1.42 billion.

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 $0.48. GAAP EPS of $0.31 for Q3 were 68% lower than the prior-year quarter's $0.96 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 30.8%, 1,340 basis points worse than the prior-year quarter. Operating margin was 10.4%, 1,690 basis points worse than the prior-year quarter. Net margin was 6.0%, 1,050 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $5.04 billion. The average EPS estimate is $2.05.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 1,895 members out of 2,045 rating the stock outperform, and 150 members rating it underperform. Among 442 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 421 give SanDisk a green thumbs-up, and 21 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on SanDisk is outperform, with an average price target of $45.84.

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