TransCanada (TSX: TRP) is expected to report Q3 earnings on Oct. 30. 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 TransCanada's revenues will contract -5.4% and EPS will contract -5.3%.

The average estimate for revenue is $2.18 billion. On the bottom line, the average EPS estimate is $0.54.

Revenue details
Last quarter, TransCanada tallied revenue of $1.77 billion. GAAP reported sales were 5.0% lower than the prior-year quarter's $1.86 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 $0.43. GAAP EPS of $0.38 for Q2 were 27% lower than the prior-year quarter's $0.52 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 50.5%, 480 basis points worse than the prior-year quarter. Operating margin was 31.3%, 560 basis points worse than the prior-year quarter. Net margin was 15.8%, 460 basis points worse than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $8.11 billion. The average EPS estimate is $2.10.

Investor sentiment
The stock has a five-star rating (out of five) at Motley Fool CAPS, with 391 members out of 402 rating the stock outperform, and 11 members rating it underperform. Among 93 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 90 give TransCanada a green thumbs-up, and three give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on TransCanada is hold, with an average price target of $44.19.

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