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PRLB vs. IVV
Performance
Return for Risk
Drawdowns
Volatility
Dividends

PRLB vs. IVV

Last updated Jun 4, 2026

PRLB (Proto Labs, Inc.) is a stock, while IVV (iShares Core S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, PRLB returned 1.02%/yr vs 15.54%/yr for IVV. A 0.50 correlation means they provide meaningful diversification when combined.

Performance

PRLB vs. IVV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Proto Labs, Inc. (PRLB) and iShares Core S&P 500 ETF (IVV). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, PRLB achieves a 47.60% return, which is significantly higher than IVV's 10.85% return. Over the past 10 years, PRLB has underperformed IVV with an annualized return of 1.02%, while IVV has yielded a comparatively higher 15.54% 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%

IVV

1D
-0.76%
1M
4.97%
YTD
10.85%
6M
10.87%
1Y
28.00%
3Y*
22.43%
5Y*
13.88%
10Y*
15.54%
*Multi-year figures are annualized to reflect compound growth (CAGR)

PRLB vs. IVV - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
PRLB
Proto Labs, Inc.		47.60%29.42%0.33%52.60%-50.28%-66.53%51.06%-9.97%9.50%100.58%
IVV
iShares Core S&P 500 ETF		10.85%17.85%24.93%26.31%-18.16%28.76%18.40%31.07%-4.49%21.75%

Correlation

The correlation between PRLB and IVV is 0.57, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.57

Correlation (3Y)
Calculated over the trailing 3-year period

0.54

Correlation (5Y)
Calculated over the trailing 5-year period

0.56

Correlation (10Y)
Calculated over the trailing 10-year period

0.55

Correlation (All Time)
Calculated using the full available price history since Feb 27, 2012

0.50

The correlation between PRLB and IVV has been stable across timeframes, ranging from 0.50 to 0.57 - a consistent structural relationship.

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

Proto Labs, Inc.

iShares Core S&P 500 ETF

Often compared with PRLB:
PRLB vs. FRSHPRLB vs. COSTPRLB vs. VRTXPRLB vs. VOOPRLB vs. IIINPRLB vs. AAOIPRLB vs. HCSG
Often compared with IVV:
IVV vs. VOOIVV vs. SPYIVV vs. FXAIXIVV vs. QQQIVV vs. VTIIVV vs. IOOIVV vs. CSPX.L

Return for Risk

PRLB vs. IVV — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
PRLB
PRLB Risk / Return Rank: 9191
Overall Rank
PRLB Sharpe Ratio Rank: 9090
Sharpe Ratio Rank
PRLB Sortino Ratio Rank: 9292
Sortino Ratio Rank
PRLB Omega Ratio Rank: 9090
Omega Ratio Rank
PRLB Calmar Ratio Rank: 9191
Calmar Ratio Rank
PRLB Martin Ratio Rank: 9292
Martin Ratio Rank
IVV
IVV Risk / Return Rank: 7070
Overall Rank
IVV Sharpe Ratio Rank: 7171
Sharpe Ratio Rank
IVV Sortino Ratio Rank: 7070
Sortino Ratio Rank
IVV Omega Ratio Rank: 7070
Omega Ratio Rank
IVV Calmar Ratio Rank: 6262
Calmar Ratio Rank
IVV Martin Ratio Rank: 7575
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

PRLB vs. IVV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Proto Labs, Inc. (PRLB) and iShares Core S&P 500 ETF (IVV). 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.

PRLBIVVDifference
Sharpe ratioReturn per unit of total volatility
2.22
2.39

-0.17

Sortino ratioReturn per unit of downside risk
3.50
3.25

+0.24

Omega ratioGain probability vs. loss probability

1.44

1.43

0.00

Calmar ratioReturn relative to maximum drawdown

5.09

3.17

+1.93

Martin ratioReturn relative to average drawdown

14.93

14.71

+0.22

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PRLB vs. IVV - Sharpe Ratio Comparison

The current PRLB Sharpe Ratio is 2.22, which is comparable to the IVV Sharpe Ratio of 2.39. The chart below compares the historical Sharpe Ratios of PRLB and IVV, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Sharpe Ratios by Period

PRLBIVVDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.22

2.39

-0.17

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

-0.07

0.83

-0.89

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.02

0.86

-0.84

Sharpe Ratio (All Time)

Calculated using the full available price history

0.15

0.45

-0.31

Drawdowns

PRLB vs. IVV - Drawdown Comparison

The maximum PRLB drawdown since its inception was -91.22%, which is greater than IVV's maximum drawdown of -55.25%. Use the drawdown chart below to compare losses from any high point for PRLB and IVV.

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Drawdown Indicators

PRLBIVVDifference

Max Drawdown

Largest peak-to-trough decline

-91.22%

-55.25%

-35.97%

Max Drawdown (1Y)

Largest decline over 1 year

-19.51%

-8.89%

-10.62%

Max Drawdown (3Y)

Largest decline over 3 years

-35.14%

-18.75%

-16.39%

Max Drawdown (5Y)

Largest decline over 5 years

-77.19%

-24.53%

-52.66%

Max Drawdown (10Y)

Largest decline over 10 years

-91.22%

-33.90%

-57.32%

Current Drawdown

Current decline from peak

-70.31%

-0.76%

-69.55%

Average Drawdown

Average peak-to-trough decline

-43.22%

-10.78%

-32.44%

Ulcer Index

Depth and duration of drawdowns from previous peaks

6.64%

1.91%

+4.73%

Volatility

PRLB vs. IVV - Volatility Comparison

Proto Labs, Inc. (PRLB) has a higher volatility of 10.09% compared to iShares Core S&P 500 ETF (IVV) at 2.87%. This indicates that PRLB's price experiences larger fluctuations and is considered to be riskier than IVV based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

PRLBIVVDifference

Volatility (1M)

Calculated over the trailing 1-month period

10.09%

2.87%

+7.22%

Volatility (6M)

Calculated over the trailing 6-month period

33.26%

8.90%

+24.36%

Volatility (1Y)

Calculated over the trailing 1-year period

44.85%

11.80%

+33.05%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

50.45%

16.88%

+33.57%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

47.93%

18.05%

+29.88%

Dividends

PRLB vs. IVV - Dividend Comparison

PRLB has not paid dividends to shareholders, while IVV's dividend yield for the trailing twelve months is around 1.06%.

PositionTTM20252024202320222021202020192018201720162015
IVV
iShares Core S&P 500 ETF		1.06%1.17%1.30%1.44%1.66%1.20%1.57%1.85%2.21%1.75%2.01%2.27%
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%

Frequently Asked Questions

PRLB and IVV have a correlation of 0.57, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

PRLB has higher volatility (10.09%) compared to IVV (2.87%). In terms of maximum drawdown, PRLB dropped -91.22% vs IVV's -55.25%.

IVV currently has the higher Sharpe Ratio (2.39 vs 2.22), 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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