Old Dominion Freight Line Inc (ODFL)

Operating profit margin

		Dec 31, 2024	Sep 30, 2024	Jun 30, 2024	Mar 31, 2024	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
Operating income (ttm)	US$ in thousands	1,543,998	1,630,989	1,674,147	1,644,050	1,640,673	1,649,891	1,700,952	1,818,063	1,840,632	1,782,894	1,670,224	1,527,563	1,391,602	1,273,413	1,160,247	993,369	906,882	840,844	788,127	823,450
Revenue (ttm)	US$ in thousands	5,815,630	5,938,920	5,983,990	5,898,480	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
Operating profit margin		26.55%	27.46%	27.98%	27.87%	27.88%	28.12%	28.56%	29.28%	29.39%	28.85%	27.95%	27.14%	26.48%	25.89%	25.35%	23.92%	22.59%	21.28%	20.00%	20.06%

December 31, 2024 calculation

Operating profit margin = Operating income (ttm) ÷ Revenue (ttm)
= $1,543,998K ÷ $5,815,630K
= 26.55%

Old Dominion Freight Line Inc's operating profit margin has shown a generally upward trend over the analyzed period, starting at 20.06% in March 2020 and peaking at 29.39% in December 2022. From there, the operating profit margin experienced a slight decline before stabilizing around the mid to high 20% range from June 2023 to September 2024, at which point it dipped to 26.55% by December 2024. Overall, the company has demonstrated consistent profitability in its operations, maintaining strong operating margins above 20% for the majority of the period under review. Further analysis of the factors influencing the fluctuations in the operating profit margin would provide deeper insights into Old Dominion Freight Line Inc's financial performance.