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Side-by-side financial comparison of Optex Systems Holdings Inc (OPXS) and Soluna Holdings, Inc (SLNH). Click either name above to swap in a different company.

Optex Systems Holdings Inc is the larger business by last-quarter revenue ($9.1M vs $8.4M, roughly 1.1× Soluna Holdings, Inc). Optex Systems Holdings Inc runs the higher net margin — 2.6% vs -284.7%, a 287.3% gap on every dollar of revenue. On growth, Soluna Holdings, Inc posted the faster year-over-year revenue change (11.8% vs 11.6%). Optex Systems Holdings Inc produced more free cash flow last quarter ($-548.0K vs $-6.8M). Over the past eight quarters, Optex Systems Holdings Inc's revenue compounded faster (3.6% CAGR vs -8.8%).

Optex Systems Holdings Inc. designs, manufactures and supplies high-performance optical, optoelectronic components and integrated subsystems. Its core products include military sighting systems, laser protection solutions and precision optical assemblies, serving defense, aerospace and industrial manufacturing markets globally.

OPXS vs SLNH — Head-to-Head

Bigger by revenue
OPXS
OPXS
1.1× larger
OPXS
$9.1M
$8.4M
SLNH
Growing faster (revenue YoY)
SLNH
SLNH
+0.3% gap
SLNH
11.8%
11.6%
OPXS
Higher net margin
OPXS
OPXS
287.3% more per $
OPXS
2.6%
-284.7%
SLNH
More free cash flow
OPXS
OPXS
$6.3M more FCF
OPXS
$-548.0K
$-6.8M
SLNH
Faster 2-yr revenue CAGR
OPXS
OPXS
Annualised
OPXS
3.6%
-8.8%
SLNH

Income Statement — Q1 FY2026 vs Q3 FY2025

Metric
OPXS
OPXS
SLNH
SLNH
Revenue
$9.1M
$8.4M
Net Profit
$242.0K
$-24.0M
Gross Margin
22.9%
9.5%
Operating Margin
1.6%
-92.5%
Net Margin
2.6%
-284.7%
Revenue YoY
11.6%
11.8%
Net Profit YoY
-71.3%
-233.2%
EPS (diluted)
$0.03
$-1.14

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
OPXS
OPXS
SLNH
SLNH
Q4 25
$9.1M
Q3 25
$11.3M
$8.4M
Q2 25
$11.1M
$6.2M
Q1 25
$10.7M
$5.9M
Q4 24
$8.2M
$8.3M
Q3 24
$9.4M
$7.5M
Q2 24
$9.1M
$9.7M
Q1 24
$8.5M
$12.5M
Net Profit
OPXS
OPXS
SLNH
SLNH
Q4 25
$242.0K
Q3 25
$1.0M
$-24.0M
Q2 25
$1.5M
$-7.4M
Q1 25
$1.8M
$-7.6M
Q4 24
$844.0K
$-40.0M
Q3 24
$1.0M
$-7.2M
Q2 24
$1.3M
$-10.9M
Q1 24
$1.1M
$-5.3M
Gross Margin
OPXS
OPXS
SLNH
SLNH
Q4 25
22.9%
Q3 25
30.1%
9.5%
Q2 25
28.5%
6.3%
Q1 25
31.3%
5.7%
Q4 24
26.0%
-360.8%
Q3 24
25.5%
-39.1%
Q2 24
31.8%
34.6%
Q1 24
30.0%
45.4%
Operating Margin
OPXS
OPXS
SLNH
SLNH
Q4 25
1.6%
Q3 25
18.3%
-92.5%
Q2 25
17.2%
-107.6%
Q1 25
20.8%
-120.9%
Q4 24
11.2%
-426.0%
Q3 24
13.7%
-119.8%
Q2 24
17.8%
-38.0%
Q1 24
15.9%
3.2%
Net Margin
OPXS
OPXS
SLNH
SLNH
Q4 25
2.6%
Q3 25
9.1%
-284.7%
Q2 25
13.6%
-119.9%
Q1 25
16.5%
-127.3%
Q4 24
10.3%
-483.8%
Q3 24
10.7%
-95.5%
Q2 24
13.9%
-112.4%
Q1 24
12.5%
-41.9%
EPS (diluted)
OPXS
OPXS
SLNH
SLNH
Q4 25
$0.03
Q3 25
$0.14
$-1.14
Q2 25
$0.22
$-0.93
Q1 25
$0.26
$-1.21
Q4 24
$0.12
$-7.14
Q3 24
$0.15
$-1.56
Q2 24
$0.18
$-3.62
Q1 24
$0.16
$-2.62

Balance Sheet & Financial Strength

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

Metric
OPXS
OPXS
SLNH
SLNH
Cash + ST InvestmentsLiquidity on hand
$5.8M
Total DebtLower is stronger
$13.3M
Stockholders' EquityBook value
$24.7M
$14.5M
Total Assets
$30.2M
$152.0M
Debt / EquityLower = less leverage
0.92×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
OPXS
OPXS
SLNH
SLNH
Q4 25
$5.8M
Q3 25
$6.4M
Q2 25
$4.9M
Q1 25
$3.5M
Q4 24
$2.5M
Q3 24
$1.0M
Q2 24
$486.0K
Q1 24
$321.0K
Total Debt
OPXS
OPXS
SLNH
SLNH
Q4 25
Q3 25
$13.3M
Q2 25
$10.0M
Q1 25
$10.2M
Q4 24
$7.1M
Q3 24
$8.1M
Q2 24
$9.0M
Q1 24
Stockholders' Equity
OPXS
OPXS
SLNH
SLNH
Q4 25
$24.7M
Q3 25
$24.3M
$14.5M
Q2 25
$23.1M
$-19.5M
Q1 25
$21.6M
$-16.1M
Q4 24
$19.7M
$-12.5M
Q3 24
$18.8M
$20.9M
Q2 24
$17.7M
$24.4M
Q1 24
$16.5M
$21.5M
Total Assets
OPXS
OPXS
SLNH
SLNH
Q4 25
$30.2M
Q3 25
$30.1M
$152.0M
Q2 25
$29.2M
$92.0M
Q1 25
$27.5M
$90.0M
Q4 24
$24.8M
$88.0M
Q3 24
$25.5M
$97.3M
Q2 24
$24.9M
$98.7M
Q1 24
$23.8M
$90.6M
Debt / Equity
OPXS
OPXS
SLNH
SLNH
Q4 25
Q3 25
0.92×
Q2 25
Q1 25
Q4 24
Q3 24
0.39×
Q2 24
0.37×
Q1 24

Cash Flow & Capital Efficiency

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

Metric
OPXS
OPXS
SLNH
SLNH
Operating Cash FlowLast quarter
$-92.0K
$-2.2M
Free Cash FlowOCF − Capex
$-548.0K
$-6.8M
FCF MarginFCF / Revenue
-6.0%
-81.4%
Capex IntensityCapex / Revenue
5.0%
55.2%
Cash ConversionOCF / Net Profit
-0.38×
TTM Free Cash FlowTrailing 4 quarters
$-34.4M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
OPXS
OPXS
SLNH
SLNH
Q4 25
$-92.0K
Q3 25
$1.6M
$-2.2M
Q2 25
$1.4M
$-1.1M
Q1 25
$1.2M
$-177.0K
Q4 24
$2.8M
$-5.1M
Q3 24
$753.0K
$61.0K
Q2 24
$50.0K
$-7.3M
Q1 24
$-1.3M
$3.9M
Free Cash Flow
OPXS
OPXS
SLNH
SLNH
Q4 25
$-548.0K
Q3 25
$1.5M
$-6.8M
Q2 25
$-9.7M
Q1 25
$1.1M
$-4.0M
Q4 24
$2.5M
$-13.9M
Q3 24
$545.0K
$-3.4M
Q2 24
$-256.0K
$-7.6M
Q1 24
$-1.4M
$3.3M
FCF Margin
OPXS
OPXS
SLNH
SLNH
Q4 25
-6.0%
Q3 25
13.5%
-81.4%
Q2 25
-156.8%
Q1 25
9.8%
-67.1%
Q4 24
30.3%
-168.3%
Q3 24
5.8%
-44.8%
Q2 24
-2.8%
-78.2%
Q1 24
-16.3%
26.5%
Capex Intensity
OPXS
OPXS
SLNH
SLNH
Q4 25
5.0%
Q3 25
0.4%
55.2%
Q2 25
0.0%
139.0%
Q1 25
1.2%
64.2%
Q4 24
3.9%
107.0%
Q3 24
2.2%
45.6%
Q2 24
3.4%
2.5%
Q1 24
1.3%
4.2%
Cash Conversion
OPXS
OPXS
SLNH
SLNH
Q4 25
-0.38×
Q3 25
1.52×
Q2 25
0.92×
Q1 25
0.67×
Q4 24
3.32×
Q3 24
0.74×
Q2 24
0.04×
Q1 24
-1.20×

Financial Flow Comparison

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

Revenue Breakdown by Segment

OPXS
OPXS

Optex Systems OPX Richardson Texas$5.3M58%
Applied Optics Center AOC Dallas$4.0M44%

SLNH
SLNH

Data Hosting Revenue$5.3M62%
Cryptocurrency Mining Revenue$2.8M33%
Other$389.0K5%

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