ONEOK (NYSE: OKE) is expected to report Q2 earnings on July 31. 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 ONEOK's revenues will increase 1.4% and EPS will expand 26.9%.

The average estimate for revenue is $3.56 billion. On the bottom line, the average EPS estimate is $0.33.

Revenue details
Last quarter, ONEOK tallied revenue of $3.41 billion. GAAP reported sales were 9.2% lower than the prior-year quarter's $3.76 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 $0.55. GAAP EPS of $0.58 for Q1 were 1.7% lower than the prior-year quarter's $0.59 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 13.2%, 160 basis points better than the prior-year quarter. Operating margin was 9.8%, 110 basis points better than the prior-year quarter. Net margin was 3.6%, 10 basis points better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $13.98 billion. The average EPS estimate is $1.75.

Investor sentiment
The stock has a four-star rating (out of five) at Motley Fool CAPS, with 421 members out of 433 rating the stock outperform, and 12 members rating it underperform. Among 146 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 142 give ONEOK a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on ONEOK is outperform, with an average price target of $45.69.

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