PRLB vs. IIIN
PRLB (Proto Labs, Inc.) and IIIN (Insteel Industries, Inc.) are both stocks. Both operate in the Metal Fabrication industry within the Industrials sector. Over the past 10 years, PRLB returned 1.02%/yr vs 4.22%/yr for IIIN. At a 0.38 correlation, their price movements are largely independent.
Performance
PRLB vs. IIIN - Performance Comparison
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Returns By Period
In the year-to-date period, PRLB achieves a 47.60% return, which is significantly higher than IIIN's -10.75% return. Over the past 10 years, PRLB has underperformed IIIN with an annualized return of 1.02%, while IIIN has yielded a comparatively higher 4.22% annualized return.
PRLB
- 1D
- -4.58%
- 1M
- 16.06%
- YTD
- 47.60%
- 6M
- 45.90%
- 1Y
- 98.80%
- 3Y*
- 31.31%
- 5Y*
- -3.31%
- 10Y*
- 1.02%
IIIN
- 1D
- 0.32%
- 1M
- 9.76%
- YTD
- -10.75%
- 6M
- -10.04%
- 1Y
- -18.60%
- 3Y*
- 1.36%
- 5Y*
- 2.11%
- 10Y*
- 4.22%
PRLB vs. IIIN - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PRLB Proto Labs, Inc. | 47.60% | 29.42% | 0.33% | 52.60% | -50.28% | -66.53% | 51.06% | -9.97% | 9.50% | 100.58% |
IIIN Insteel Industries, Inc. | -10.75% | 21.53% | -26.77% | 50.01% | -25.64% | 88.28% | 10.88% | -10.98% | -13.93% | -20.22% |
Correlation
The correlation between PRLB and IIIN is 0.48, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.48 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.51 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.43 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.43 |
Correlation (All Time) Calculated using the full available price history since Feb 27, 2012 | 0.38 |
The correlation between PRLB and IIIN shifts across timeframes, from 0.38 (all time) to 0.51 (3 years), reflecting how their relationship changes across market environments.
Fundamentals
PRLB:
$1.81B
IIIN:
$552.54M
PRLB:
$1.06
IIIN:
$2.17
PRLB:
70.27
IIIN:
13.00
PRLB:
3.31
IIIN:
0.80
PRLB:
2.65
IIIN:
1.52
PRLB:
$546.26M
IIIN:
$689.91M
PRLB:
$245.03M
IIIN:
$93.93M
PRLB:
$60.04M
IIIN:
$69.41M
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Return for Risk
PRLB vs. IIIN — Risk / Return Rank
PRLB
IIIN
PRLB vs. IIIN - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Proto Labs, Inc. (PRLB) and Insteel Industries, Inc. (IIIN). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.
| PRLB | IIIN | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 2.22 | -0.44 | +2.66 |
Sortino ratioReturn per unit of downside risk | 3.50 | -0.30 | +3.79 |
Omega ratioGain probability vs. loss probability | 1.44 | 0.95 | +0.49 |
Calmar ratioReturn relative to maximum drawdown | 5.09 | -0.52 | +5.61 |
Martin ratioReturn relative to average drawdown | 14.93 | -1.16 | +16.09 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| PRLB | IIIN | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.22 | -0.44 | +2.66 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.07 | 0.05 | -0.12 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.02 | 0.10 | -0.08 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.15 | 0.13 | +0.02 |
Drawdowns
PRLB vs. IIIN - Drawdown Comparison
The maximum PRLB drawdown since its inception was -91.22%, smaller than the maximum IIIN drawdown of -96.63%. Use the drawdown chart below to compare losses from any high point for PRLB and IIIN.
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Drawdown Indicators
| PRLB | IIIN | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -91.22% | -96.63% | +5.41% |
Max Drawdown (1Y)Largest decline over 1 year | -19.51% | -36.11% | +16.60% |
Max Drawdown (3Y)Largest decline over 3 years | -35.14% | -36.98% | +1.84% |
Max Drawdown (5Y)Largest decline over 5 years | -77.19% | -47.32% | -29.87% |
Max Drawdown (10Y)Largest decline over 10 years | -91.22% | -74.37% | -16.85% |
Current DrawdownCurrent decline from peak | -70.31% | -26.29% | -44.02% |
Average DrawdownAverage peak-to-trough decline | -43.22% | -38.78% | -4.44% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 6.64% | 16.05% | -9.41% |
Volatility
PRLB vs. IIIN - Volatility Comparison
Proto Labs, Inc. (PRLB) and Insteel Industries, Inc. (IIIN) have volatilities of 10.09% and 10.47%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PRLB | IIIN | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.09% | 10.47% | -0.38% |
Volatility (6M)Calculated over the trailing 6-month period | 33.26% | 35.39% | -2.13% |
Volatility (1Y)Calculated over the trailing 1-year period | 44.85% | 42.65% | +2.20% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 50.45% | 39.49% | +10.96% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 47.93% | 43.82% | +4.11% |
Dividends
PRLB vs. IIIN - Dividend Comparison
PRLB has not paid dividends to shareholders, while IIIN's dividend yield for the trailing twelve months is around 3.97%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IIIN Insteel Industries, Inc. | 3.97% | 3.54% | 4.15% | 6.84% | 7.70% | 5.33% | 7.27% | 0.56% | 0.49% | 0.42% | 3.84% | 5.35% |
PRLB Proto Labs, Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
PRLB vs. IIIN - Financials Comparison
This section allows you to compare key financial metrics between Proto Labs, Inc. and Insteel Industries, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
PRLB vs. IIIN - Profitability Comparison
PRLB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Proto Labs, Inc. reported a gross profit of 63.59M and revenue of 139.34M. Therefore, the gross margin over that period was 45.6%.
IIIN - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Insteel Industries, Inc. reported a gross profit of 16.49M and revenue of 172.65M. Therefore, the gross margin over that period was 9.6%.
PRLB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Proto Labs, Inc. reported an operating income of 9.84M and revenue of 139.34M, resulting in an operating margin of 7.1%.
IIIN - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Insteel Industries, Inc. reported an operating income of 6.74M and revenue of 172.65M, resulting in an operating margin of 3.9%.
PRLB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Proto Labs, Inc. reported a net income of 8.11M and revenue of 139.34M, resulting in a net margin of 5.8%.
IIIN - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Insteel Industries, Inc. reported a net income of 5.22M and revenue of 172.65M, resulting in a net margin of 3.0%.
Frequently Asked Questions
PRLB and IIIN have a correlation of 0.48, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IIIN has higher volatility (10.47%) compared to PRLB (10.09%). In terms of maximum drawdown, PRLB dropped -91.22% vs IIIN's -96.63%.
PRLB currently has the higher Sharpe Ratio (2.22 vs -0.44), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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