Yingli Green Energy Holding (NYSE: YGE) is expected to report Q2 earnings on Aug. 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 Yingli Green Energy Holding's revenues will decrease -28.2% and EPS will shrink to a loss.

The average estimate for revenue is $488.4 million. On the bottom line, the average EPS estimate is -$0.36.

Revenue details
 Last quarter, Yingli Green Energy Holding logged revenue of $500.0 million. GAAP reported sales were 5.2% lower than the prior-year quarter's $527.4 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 -$0.24. GAAP EPS were -$0.29 for Q1 against $0.35 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 7.8%, 1,950 basis points worse than the prior-year quarter. Operating margin was -4.3%, 2,080 basis points worse than the prior-year quarter. Net margin was -9.0%, 1,970 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $1.99 billion. The average EPS estimate is -$1.04.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 1,574 members out of 1,652 rating the stock outperform, and 78 members rating it underperform. Among 233 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 214 give Yingli Green Energy Holding a green thumbs-up, and 19 give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Yingli Green Energy Holding is hold, with an average price target of $3.97.

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