Quidel Corporation (QDEL)

Operating profit margin

		Dec 31, 2023	Sep 30, 2023	Jun 30, 2023	Mar 31, 2023
Operating income (ttm)	US$ in thousands	139,100	185,500	216,000	322,600
Revenue (ttm)	US$ in thousands	2,997,800	3,121,700	3,161,500	3,109,800
Operating profit margin		4.64%	5.94%	6.83%	10.37%

December 31, 2023 calculation

Operating profit margin = Operating income (ttm) ÷ Revenue (ttm)
= $139,100K ÷ $2,997,800K
= 4.64%

The operating profit margin of Quidel Corporation has shown a downward trend over the four quarters of 2023, decreasing from 10.37% in March to 4.64% in December. This decline may indicate challenges in effectively managing operating expenses relative to revenue. It is important for the company to closely monitor and control costs to improve profitability and sustainability in the long term.