Diodes Incorporated (DIOD)

Operating profit margin

		Dec 31, 2023	Sep 30, 2023	Jun 30, 2023	Mar 31, 2023	Dec 31, 2022	Sep 30, 2022	Jun 30, 2022	Mar 31, 2022	Dec 31, 2021	Sep 30, 2021	Jun 30, 2021	Mar 31, 2021	Dec 31, 2020	Sep 30, 2020	Jun 30, 2020	Mar 31, 2020	Dec 31, 2019	Sep 30, 2019	Jun 30, 2019	Mar 31, 2019
Operating income (ttm)	US$ in thousands	250,571	326,319	384,891	401,562	408,193	397,733	362,534	321,653	275,985	229,750	190,358	155,870	134,332	155,829	166,689	184,336	200,607	183,214	180,337	169,665
Revenue (ttm)	US$ in thousands	1,651,266	1,823,884	1,936,362	1,974,817	1,994,331	1,979,149	1,932,418	1,869,138	1,795,386	1,668,079	1,500,365	1,344,860	1,215,429	1,190,516	1,208,265	1,245,348	1,265,885	1,254,874	1,252,002	1,234,344
Operating profit margin		15.17%	17.89%	19.88%	20.33%	20.47%	20.10%	18.76%	17.21%	15.37%	13.77%	12.69%	11.59%	11.05%	13.09%	13.80%	14.80%	15.85%	14.60%	14.40%	13.75%

December 31, 2023 calculation

Operating profit margin = Operating income (ttm) ÷ Revenue (ttm)
= $250,571K ÷ $1,651,266K
= 15.17%

Diodes, Inc.'s operating profit margin has exhibited a slight decline over the quarters, starting from 20.22% in Q4 2022 and decreasing to 15.05% in Q4 2023. Despite this downward trend, the operating profit margin has remained above 15% throughout the observed period, indicating that the company has been able to generate a reasonable level of profit relative to its operating revenues. It is also worth noting that the operating profit margin reached its lowest point in Q4 2023, which might warrant further investigation into the factors causing this decrease. Overall, while there has been some variability in the operating profit margin, Diodes, Inc. has generally maintained a healthy level of profitability in its operations.