SanDisk Corp (SNDK)

Operating return on assets (Operating ROA)

		Mar 31, 2016	Dec 31, 2015	Sep 30, 2015	Jun 30, 2015	Mar 31, 2015	Dec 31, 2014	Sep 30, 2014	Jun 30, 2014	Mar 31, 2014	Dec 31, 2013	Sep 30, 2013	Jun 30, 2013	Mar 31, 2013	Dec 31, 2012	Sep 30, 2012	Jun 30, 2012	Mar 31, 2012	Dec 31, 2011	Sep 30, 2011	Jun 30, 2011
Operating income (ttm)	US$ in thousands	696,549	616,625	737,764	920,637	1,233,372	1,601,359	1,769,724	1,757,891	1,733,793	1,562,410	1,390,772	1,114,397	758,022	696,095	775,883	1,030,037	1,374,170	1,556,203	1,515,235	1,560,732
Total assets	US$ in thousands	9,511,860	9,230,760	9,073,000	9,149,430	9,461,220	10,290,000	10,708,300	10,729,700	10,586,400	10,488,700	8,944,530	9,619,000	10,376,400	10,339,100	10,321,500	10,075,700	10,012,100	8,776,710	9,860,900	9,487,810
Operating ROA		7.32%	6.68%	8.13%	10.06%	13.04%	15.56%	16.53%	16.38%	16.38%	14.90%	15.55%	11.59%	7.31%	6.73%	7.52%	10.22%	13.73%	17.73%	15.37%	16.45%

March 31, 2016 calculation

Operating ROA = Operating income (ttm) ÷ Total assets
= $696,549K ÷ $9,511,860K
= 7.32%

Operating ROA measures how efficiently a company utilizes its assets to generate operating income. For SanDisk Corp, the trend in operating ROA shows fluctuation over the period analyzed. The operating ROA ranged from a high of 17.73% in December 2011 to a low of 6.68% in December 2015.

The company's operating ROA peaked in December 2011 and remained relatively high until March 2014, indicating efficient asset utilization during that period. However, from March 2014 to March 2016, there was a downward trend in operating ROA, reflecting a decline in the company's ability to generate operating income relative to its assets.

Overall, analyzing the operating ROA trend can provide insights into SanDisk Corp's operational efficiency and effectiveness in utilizing its assets to generate profits.