Northwest Natural Gas Co (NWN)

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
Operating income (ttm)	US$ in thousands	184,941	191,001	193,651	193,347	167,477	156,428	156,964	156,049	163,117	167,490	170,293	166,611	148,351	134,765	136,719	143,875	143,474	144,762
Revenue (ttm)	US$ in thousands	1,197,475	1,217,014	1,192,374	1,149,475	1,037,353	956,190	940,798	894,755	860,400	826,583	818,420	804,474	773,679	760,680	757,713	746,185	746,382	725,810
Operating profit margin		15.44%	15.69%	16.24%	16.82%	16.14%	16.36%	16.68%	17.44%	18.96%	20.26%	20.81%	20.71%	19.17%	17.72%	18.04%	19.28%	19.22%	19.94%

December 31, 2023 calculation

Operating profit margin = Operating income (ttm) ÷ Revenue (ttm)
= $184,941K ÷ $1,197,475K
= 15.44%

Northwest Natural Holding Co's operating profit margin has been relatively stable over the past eight quarters. The company has seen operating profit margins in the range of 15.44% to 17.44%. The trend seems to indicate a slight decline in operating profit margin from Q1 2022 to Q4 2023, with a gradual decrease from 17.44% to 15.44%.

The company's ability to generate profits from its core operations, as indicated by the operating profit margin, has shown some variability, but overall remains within a moderate range. It would be advisable for stakeholders to closely monitor any further changes in the operating profit margin to assess the company's operational efficiency and profitability.