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Side-by-side financial comparison of Ostin Technology Group Co., Ltd. (OST) and PERMA FIX ENVIRONMENTAL SERVICES INC (PESI). Click either name above to swap in a different company.

Ostin Technology Group Co., Ltd. is the larger business by last-quarter revenue ($20.8M vs $15.7M, roughly 1.3× PERMA FIX ENVIRONMENTAL SERVICES INC). Ostin Technology Group Co., Ltd. runs the higher net margin — -24.8% vs -36.0%, a 11.2% gap on every dollar of revenue. On growth, Ostin Technology Group Co., Ltd. posted the faster year-over-year revenue change (39.2% vs 6.9%).

Ostin Technology Group Co., Ltd. is a provider of display and interactive technology solutions. It develops and manufactures touch panels, interactive whiteboards and custom display modules, serving consumer electronics, education and commercial segments across Asia Pacific, North America and European markets.

Perma-Fix Environmental Services Inc provides end-to-end environmental and waste management solutions, specializing in the treatment, processing, and disposal of hazardous, radioactive, and mixed waste streams. It serves U.S. federal government agencies, nuclear facility operators, and industrial clients across the energy, manufacturing, and defense segments.

OST vs PESI — Head-to-Head

Bigger by revenue
OST
OST
1.3× larger
OST
$20.8M
$15.7M
PESI
Growing faster (revenue YoY)
OST
OST
+32.3% gap
OST
39.2%
6.9%
PESI
Higher net margin
OST
OST
11.2% more per $
OST
-24.8%
-36.0%
PESI

Income Statement — Q2 FY2025 vs Q4 FY2025

Metric
OST
OST
PESI
PESI
Revenue
$20.8M
$15.7M
Net Profit
$-5.2M
$-5.7M
Gross Margin
9.1%
7.7%
Operating Margin
-23.4%
-20.6%
Net Margin
-24.8%
-36.0%
Revenue YoY
39.2%
6.9%
Net Profit YoY
-11.6%
-62.2%
EPS (diluted)
$-2.98
$-0.31

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
OST
OST
PESI
PESI
Q4 25
$15.7M
Q3 25
$17.5M
Q2 25
$14.6M
Q1 25
$20.8M
$13.9M
Q4 24
$14.7M
Q3 24
$16.8M
Q2 24
$14.0M
Q1 24
$15.0M
$13.6M
Net Profit
OST
OST
PESI
PESI
Q4 25
$-5.7M
Q3 25
$-1.8M
Q2 25
$-2.7M
Q1 25
$-5.2M
$-3.6M
Q4 24
$-3.5M
Q3 24
$-9.0M
Q2 24
$-4.0M
Q1 24
$-4.6M
$-3.6M
Gross Margin
OST
OST
PESI
PESI
Q4 25
7.7%
Q3 25
14.6%
Q2 25
10.6%
Q1 25
9.1%
4.7%
Q4 24
4.0%
Q3 24
7.9%
Q2 24
-9.3%
Q1 24
5.9%
-4.6%
Operating Margin
OST
OST
PESI
PESI
Q4 25
-20.6%
Q3 25
-10.7%
Q2 25
-19.8%
Q1 25
-23.4%
-26.8%
Q4 24
-24.4%
Q3 24
-15.5%
Q2 24
-36.0%
Q1 24
-25.3%
-32.8%
Net Margin
OST
OST
PESI
PESI
Q4 25
-36.0%
Q3 25
-10.5%
Q2 25
-18.6%
Q1 25
-24.8%
-25.7%
Q4 24
-23.7%
Q3 24
-53.4%
Q2 24
-28.2%
Q1 24
-31.0%
-26.1%
EPS (diluted)
OST
OST
PESI
PESI
Q4 25
$-0.31
Q3 25
$-0.10
Q2 25
$-0.15
Q1 25
$-2.98
$-0.19
Q4 24
$-0.23
Q3 24
$-0.57
Q2 24
$-0.27
Q1 24
$-0.29
$-0.26

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
OST
OST
PESI
PESI
Cash + ST InvestmentsLiquidity on hand
$1.7M
Total DebtLower is stronger
$1.9M
Stockholders' EquityBook value
$2.7M
$50.1M
Total Assets
$52.6M
$88.0M
Debt / EquityLower = less leverage
0.04×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OST
OST
PESI
PESI
Q4 25
Q3 25
Q2 25
Q1 25
$1.7M
Q4 24
Q3 24
Q2 24
Q1 24
$1.7M
Total Debt
OST
OST
PESI
PESI
Q4 25
$1.9M
Q3 25
$1.9M
Q2 25
$2.0M
Q1 25
$2.2M
Q4 24
$2.3M
Q3 24
$2.5M
Q2 24
$2.2M
Q1 24
$2.5M
Stockholders' Equity
OST
OST
PESI
PESI
Q4 25
$50.1M
Q3 25
$55.4M
Q2 25
$56.8M
Q1 25
$2.7M
$59.2M
Q4 24
$62.4M
Q3 24
$42.4M
Q2 24
$51.0M
Q1 24
$10.3M
$36.2M
Total Assets
OST
OST
PESI
PESI
Q4 25
$88.0M
Q3 25
$91.2M
Q2 25
$90.2M
Q1 25
$52.6M
$92.9M
Q4 24
$97.2M
Q3 24
$78.2M
Q2 24
$87.0M
Q1 24
$51.4M
$74.0M
Debt / Equity
OST
OST
PESI
PESI
Q4 25
0.04×
Q3 25
0.03×
Q2 25
0.04×
Q1 25
0.04×
Q4 24
0.04×
Q3 24
0.06×
Q2 24
0.04×
Q1 24
0.07×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
OST
OST
PESI
PESI
Operating Cash FlowLast quarter
$-2.1M
Free Cash FlowOCF − Capex
$-4.2M
FCF MarginFCF / Revenue
-26.9%
Capex IntensityCapex / Revenue
13.4%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-15.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OST
OST
PESI
PESI
Q4 25
$-2.1M
Q3 25
$-4.6M
Q2 25
$-1.9M
Q1 25
$-2.1M
Q4 24
$-3.3M
Q3 24
$-5.6M
Q2 24
$-1.3M
Q1 24
$-3.9M
$-4.5M
Free Cash Flow
OST
OST
PESI
PESI
Q4 25
$-4.2M
Q3 25
$-5.8M
Q2 25
$-2.8M
Q1 25
$-2.6M
Q4 24
$-4.5M
Q3 24
$-7.0M
Q2 24
$-1.9M
Q1 24
$-4.5M
$-4.8M
FCF Margin
OST
OST
PESI
PESI
Q4 25
-26.9%
Q3 25
-33.3%
Q2 25
-19.2%
Q1 25
-18.9%
Q4 24
-30.5%
Q3 24
-41.7%
Q2 24
-13.5%
Q1 24
-30.1%
-35.0%
Capex Intensity
OST
OST
PESI
PESI
Q4 25
13.4%
Q3 25
6.7%
Q2 25
6.2%
Q1 25
3.8%
Q4 24
8.0%
Q3 24
8.2%
Q2 24
4.3%
Q1 24
4.1%
1.8%

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

OST
OST

Segment breakdown not available.

PESI
PESI

Fixed Price$11.4M73%
Services$4.3M27%

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