OSI Systems Inc (OSIS)

Pretax margin

		Jun 30, 2025	Mar 31, 2025	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
Earnings before tax but after interest (EBT) (ttm)	US$ in thousands	186,094	174,956	170,923	167,372	161,214	158,003	142,657	117,181	115,238	100,918	125,806	132,364	140,160	132,743	107,544	108,800	98,640	87,905	78,525	78,475
Revenue (ttm)	US$ in thousands	1,713,166	1,689,088	1,650,140	1,603,555	1,538,758	1,469,721	1,367,204	1,289,566	1,278,427	1,203,378	1,190,966	1,172,050	1,183,236	1,178,613	1,171,923	1,171,251	1,146,902	1,091,671	1,100,767	1,130,100
Pretax margin		10.86%	10.36%	10.36%	10.44%	10.48%	10.75%	10.43%	9.09%	9.01%	8.39%	10.56%	11.29%	11.85%	11.26%	9.18%	9.29%	8.60%	8.05%	7.13%	6.94%

June 30, 2025 calculation

Pretax margin = EBT (ttm) ÷ Revenue (ttm)
= $186,094K ÷ $1,713,166K
= 10.86%

The pretax margin of OSI Systems Inc. has demonstrated a generally upward trend over the analyzed period, reflecting an improvement in the company's profitability before taxes. Starting from approximately 6.94% on September 30, 2020, the margin experienced steady growth, reaching a peak of approximately 11.85% on June 30, 2022. Following this peak, there was a slight decline and fluctuation witnessed in the subsequent periods, with the margin decreasing to around 8.39% by March 31, 2023, but subsequently recovering.

From March 31, 2023, onward, the pretax margin has stabilized within a range approximately between 9.01% and 10.86%. Notably, the period ending June 30, 2025, marks the latest data point, with the margin reaching approximately 10.86%. Overall, the trajectory indicates a positive trend in pre-tax profitability, with periods of volatility but an overall increase from the initial levels observed in late 2020. The fluctuations suggest periodic adjustments in operational efficiency, cost management, or revenue quality, but the general pattern reflects an ability to sustain and enhance margins over time.