The firm also raised 2015 second quarter earnings estimates to $0.17 from $0.14 per share, driven by continued benefit from operating efficiency and lower fuel costs.
Full-year earnings estimates are $2.48 per share in 2015, and $3.14 per share in 2016, Deutsche Bank noted.
"We believe further cost control measures and a strengthening pricing environment will see the group take EPS(earnings per share) guidance up 2% to 3% to consensus," Deutsche Bank analysts said.
Carnival Corporation is a cruise vacation company that has three cruise segments including North America cruise brands, Europe, Australia & Asia (EAA) cruise brands, and Cruise Support.
Separately, TheStreet Ratings team rates CARNIVAL CORP/PLC (USA) as a Buy with a ratings score of B. TheStreet Ratings Team has this to say about their recommendation:
"We rate CARNIVAL CORP/PLC (USA) (CCL) a BUY. This is driven by several positive factors, which we believe should have a greater impact than any weaknesses, and should give investors a better performance opportunity than most stocks we cover. The company's strengths can be seen in multiple areas, such as its solid stock price performance, impressive record of earnings per share growth, compelling growth in net income, reasonable valuation levels and good cash flow from operations. We feel its strengths outweigh the fact that the company shows low profit margins."