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Side-by-side financial comparison of iSpecimen Inc. (ISPC) and Ocean Power Technologies, Inc. (OPTT). Click either name above to swap in a different company.

iSpecimen Inc. is the larger business by last-quarter revenue ($713.1K vs $424.0K, roughly 1.7× Ocean Power Technologies, Inc.). iSpecimen Inc. runs the higher net margin — -146.9% vs -2553.1%, a 2406.2% gap on every dollar of revenue. On growth, iSpecimen Inc. posted the faster year-over-year revenue change (-75.1% vs -82.5%). Over the past eight quarters, iSpecimen Inc.'s revenue compounded faster (-49.3% CAGR vs -51.4%).

Specimen Products is a Chicago-based manufacturer of custom guitars, tube amplifiers, and audio horn speakers led by luthier Ian Schneller. Specimen Products also offers courses in guitar and tube amplifier design, construction, and repair through their Chicago School of Guitar Making. The Specimen workshop offers repair services to the general public, making use of their collection of parts from rare and vintage manufacturers.

Ocean Power Technologies (OPT) is a U.S. publicly owned renewable energy company, providing electric power and communications solutions, services and related for remote offshore applications. The company's PowerBuoy wave energy conversion technology is theoretically scalable to hundreds of megawatts and the generated energy from wave power can be supplied to the grid via submarine cables. Several projects were undertaken around the world, but the economic viability of the theoretical concept ...

ISPC vs OPTT — Head-to-Head

Bigger by revenue
ISPC
ISPC
1.7× larger
ISPC
$713.1K
$424.0K
OPTT
Growing faster (revenue YoY)
ISPC
ISPC
+7.4% gap
ISPC
-75.1%
-82.5%
OPTT
Higher net margin
ISPC
ISPC
2406.2% more per $
ISPC
-146.9%
-2553.1%
OPTT
Faster 2-yr revenue CAGR
ISPC
ISPC
Annualised
ISPC
-49.3%
-51.4%
OPTT

Income Statement — Q2 FY2025 vs Q2 FY2026

Metric
ISPC
ISPC
OPTT
OPTT
Revenue
$713.1K
$424.0K
Net Profit
$-1.0M
$-10.8M
Gross Margin
44.4%
-325.5%
Operating Margin
-255.4%
-2387.5%
Net Margin
-146.9%
-2553.1%
Revenue YoY
-75.1%
-82.5%
Net Profit YoY
50.3%
-176.6%
EPS (diluted)
$-0.42
$-0.06

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
ISPC
ISPC
OPTT
OPTT
Q4 25
$424.0K
Q3 25
$1.2M
Q2 25
$713.1K
$1.3M
Q1 25
$1.1M
$825.0K
Q4 24
$1.5M
$2.4M
Q3 24
$2.7M
$1.3M
Q2 24
$2.9M
$1.6M
Q1 24
$2.3M
$1.8M
Net Profit
ISPC
ISPC
OPTT
OPTT
Q4 25
$-10.8M
Q3 25
$-7.4M
Q2 25
$-1.0M
$-6.4M
Q1 25
$-1.7M
$-6.7M
Q4 24
$-6.0M
$-3.9M
Q3 24
$-1.4M
$-4.5M
Q2 24
$-2.1M
$-6.7M
Q1 24
$-2.9M
$-6.5M
Gross Margin
ISPC
ISPC
OPTT
OPTT
Q4 25
-325.5%
Q3 25
-1.9%
Q2 25
44.4%
16.8%
Q1 25
42.4%
23.9%
Q4 24
13.5%
32.9%
Q3 24
43.4%
34.4%
Q2 24
51.9%
54.8%
Q1 24
58.4%
45.4%
Operating Margin
ISPC
ISPC
OPTT
OPTT
Q4 25
-2387.5%
Q3 25
-598.8%
Q2 25
-255.4%
-563.6%
Q1 25
-154.9%
-712.1%
Q4 24
-395.8%
-161.9%
Q3 24
-64.1%
-343.8%
Q2 24
-76.2%
-430.3%
Q1 24
-131.0%
-430.0%
Net Margin
ISPC
ISPC
OPTT
OPTT
Q4 25
-2553.1%
Q3 25
-625.0%
Q2 25
-146.9%
-487.9%
Q1 25
-156.8%
-814.5%
Q4 24
-409.8%
-161.8%
Q3 24
-54.1%
-342.3%
Q2 24
-73.6%
-427.6%
Q1 24
-126.7%
-363.2%
EPS (diluted)
ISPC
ISPC
OPTT
OPTT
Q4 25
$-0.06
Q3 25
$-0.04
Q2 25
$-0.42
$-0.04
Q1 25
$-0.71
$-0.04
Q4 24
$-5.40
$-0.04
Q3 24
$-2.10
$-0.05
Q2 24
$-3.72
$-0.12
Q1 24
$-6.36
$-0.11

Balance Sheet & Financial Strength

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

Metric
ISPC
ISPC
OPTT
OPTT
Cash + ST InvestmentsLiquidity on hand
$11.7M
Total DebtLower is stronger
Stockholders' EquityBook value
$622.0K
$22.3M
Total Assets
$6.0M
$39.3M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ISPC
ISPC
OPTT
OPTT
Q4 25
$11.7M
Q3 25
$9.9M
Q2 25
$6.7M
Q1 25
$10.0M
Q4 24
$1.9M
$2.1M
Q3 24
$1.8M
$3.2M
Q2 24
$2.2M
$3.2M
Q1 24
$2.1M
$9.1M
Stockholders' Equity
ISPC
ISPC
OPTT
OPTT
Q4 25
$22.3M
Q3 25
$24.2M
Q2 25
$622.0K
$26.7M
Q1 25
$1.7M
$28.9M
Q4 24
$3.3M
$22.1M
Q3 24
$4.7M
$22.3M
Q2 24
$6.1M
$19.3M
Q1 24
$6.8M
$25.3M
Total Assets
ISPC
ISPC
OPTT
OPTT
Q4 25
$39.3M
Q3 25
$36.6M
Q2 25
$6.0M
$30.8M
Q1 25
$6.8M
$34.4M
Q4 24
$9.4M
$26.9M
Q3 24
$11.3M
$29.2M
Q2 24
$11.9M
$28.7M
Q1 24
$12.5M
$34.6M

Cash Flow & Capital Efficiency

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

Metric
ISPC
ISPC
OPTT
OPTT
Operating Cash FlowLast quarter
$-192.2K
$-7.5M
Free Cash FlowOCF − Capex
$-7.8M
FCF MarginFCF / Revenue
-1838.9%
Capex IntensityCapex / Revenue
62.7%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$-23.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ISPC
ISPC
OPTT
OPTT
Q4 25
$-7.5M
Q3 25
$-5.6M
Q2 25
$-192.2K
$-4.0M
Q1 25
$-1.1M
$-3.7M
Q4 24
$-3.6M
$-4.8M
Q3 24
$-1.1M
$-6.1M
Q2 24
$-1.5M
$-5.1M
Q1 24
$-2.1M
$-9.2M
Free Cash Flow
ISPC
ISPC
OPTT
OPTT
Q4 25
$-7.8M
Q3 25
$-7.1M
Q2 25
$-4.2M
Q1 25
$-4.0M
Q4 24
$-3.6M
$-5.0M
Q3 24
$-1.1M
$-6.5M
Q2 24
$-6.4M
Q1 24
$-2.1M
$-9.7M
FCF Margin
ISPC
ISPC
OPTT
OPTT
Q4 25
-1838.9%
Q3 25
-597.1%
Q2 25
-315.9%
Q1 25
-480.0%
Q4 24
-242.7%
-207.3%
Q3 24
-41.1%
-499.5%
Q2 24
-408.0%
Q1 24
-90.9%
-543.6%
Capex Intensity
ISPC
ISPC
OPTT
OPTT
Q4 25
62.7%
Q3 25
122.9%
Q2 25
11.8%
Q1 25
26.9%
Q4 24
0.5%
10.2%
Q3 24
0.5%
28.7%
Q2 24
0.0%
86.6%
Q1 24
0.4%
29.4%

Financial Flow Comparison

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

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