Westlake Chemical (NYSE: WLK) is expected to report Q4 earnings on Feb. 19. 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 Westlake Chemical's revenues will drop -3.2% and EPS will expand 202.5%.

The average estimate for revenue is $831.3 million. On the bottom line, the average EPS estimate is $1.21.

Revenue details
Last quarter, Westlake Chemical reported revenue of $821.2 million. GAAP reported sales were 15% lower than the prior-year quarter's $968.4 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 $1.37. GAAP EPS of $1.30 for Q3 were 29% higher than the prior-year quarter's $1.01 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 21.0%, 580 basis points better than the prior-year quarter. Operating margin was 17.4%, 530 basis points better than the prior-year quarter. Net margin was 10.6%, 360 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $3.59 billion. The average EPS estimate is $5.46.

Investor sentiment
The stock has a three-star rating (out of five) at Motley Fool CAPS, with 95 members out of 107 rating the stock outperform, and 12 members rating it underperform. Among 27 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 26 give Westlake Chemical a green thumbs-up, and one give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Westlake Chemical is hold, with an average price target of $67.43.

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