Olin (NYSE: OLN) is expected to report Q4 earnings on Jan. 28. 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 Olin's revenues will increase 21.2% and EPS will increase 40.0%.

The average estimate for revenue is $540.4 million. On the bottom line, the average EPS estimate is $0.35.

Revenue details
 Last quarter, Olin logged revenue of $581.2 million. GAAP reported sales were 5.6% higher than the prior-year quarter's $550.2 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 $0.45. GAAP EPS of $0.35 for Q3 were 40% lower than the prior-year quarter's $0.58 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 18.1%, 330 basis points worse than the prior-year quarter. Operating margin was 11.0%, 320 basis points worse than the prior-year quarter. Net margin was 4.9%, 370 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $2.14 billion. The average EPS estimate is $1.86.

Investor sentiment
 The stock has a five-star rating (out of five) at Motley Fool CAPS, with 567 members out of 583 rating the stock outperform, and 16 members rating it underperform. Among 139 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 138 give Olin 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 Olin is hold, with an average price target of $22.83.

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