Volterra Semiconductor (Nasdaq: VLTR) is expected to report Q2 earnings on July 22. 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 Volterra Semiconductor's revenues will drop -18.4% and EPS will wane -50.0%.

The average estimate for revenue is $35.6 million. On the bottom line, the average EPS estimate is $0.16.

Revenue details
 Last quarter, Volterra Semiconductor reported revenue of $39.9 million. GAAP reported sales were 5.1% lower than the prior-year quarter's $42.1 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 $0.22. GAAP EPS of $0.12 for Q1 were 48% lower than the prior-year quarter's $0.23 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 56.9%, 60 basis points worse than the prior-year quarter. Operating margin was 10.0%, 630 basis points worse than the prior-year quarter. Net margin was 7.6%, 710 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $151.7 million. The average EPS estimate is $0.86.

Investor sentiment

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Volterra Semiconductor is outperform, with an average price target of $21.67.

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