Old Dominion Freight Line Inc (ODFL)

Net 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
Net income (ttm)	US$ in thousands	1,239,502	1,240,616	1,278,730	1,362,446	1,377,159	1,332,036	1,241,269	1,134,767	1,034,375	945,401	860,635	738,864	672,682	626,874	589,105	615,372	615,518	630,953	640,296	629,658
Revenue (ttm)	US$ in thousands	5,885,610	5,867,450	5,955,860	6,210,120	6,262,120	6,180,360	5,976,720	5,628,680	5,256,110	4,918,280	4,576,400	4,153,200	4,014,576	3,950,876	3,941,166	4,105,626	4,108,645	4,126,375	4,136,145	4,108,975
Net profit margin		21.06%	21.14%	21.47%	21.94%	21.99%	21.55%	20.77%	20.16%	19.68%	19.22%	18.81%	17.79%	16.76%	15.87%	14.95%	14.99%	14.98%	15.29%	15.48%	15.32%

December 31, 2023 calculation

Net profit margin = Net income (ttm) ÷ Revenue (ttm)
= $1,239,502K ÷ $5,885,610K
= 21.06%

Old Dominion Freight Line, Inc. has consistently maintained strong net profit margins in recent quarters. The net profit margin has ranged between 20.17% and 22.00% over the past eight quarters, with Q1 2023 reporting the highest margin at 21.96%. This indicates the company's ability to efficiently convert revenue into profit after accounting for all expenses. The slight fluctuations in the net profit margin demonstrate stability in the company's profitability despite changing economic conditions. Overall, Old Dominion Freight Line, Inc. has shown resilience and effectiveness in managing its costs and generating profits.