SanDisk (Nasdaq: SNDK) is expected to report Q3 earnings on Oct. 18. 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 contract -13.9% and EPS will decrease -71.7%.

The average estimate for revenue is $1.22 billion. On the bottom line, the average EPS estimate is $0.34.

Revenue details
 Last quarter, SanDisk logged revenue of $1.03 billion. GAAP reported sales were 25% lower than the prior-year quarter's $1.37 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 $0.21. GAAP EPS of $0.05 for Q2 were 95% lower than the prior-year quarter's $1.02 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 28.1%, 1,710 basis points worse than the prior-year quarter. Operating margin was 3.5%, 2,410 basis points worse than the prior-year quarter. Net margin was 1.3%, 1,680 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $4.96 billion. The average EPS estimate is $1.80.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 1,910 members out of 2,059 rating the stock outperform, and 149 members rating it underperform. Among 408 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 378 give SanDisk a green thumbs-up, and 30 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 $44.08.

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