IDXX vs. DIA

Last updated Jun 24, 2026

IDXX (IDEXX Laboratories, Inc.) is a stock, while DIA (State Street SPDR Dow Jones Industrial Average ETF Trust) is Large Cap Blend Equities fund tracking the Dow Jones Industrial Average. Over the past 10 years, IDXX returned 19.95%/yr vs 13.69%/yr for DIA. At a 0.44 correlation, their price movements are largely independent.

Performance

IDXX vs. DIA - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in IDEXX Laboratories, Inc. (IDXX) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IDXX achieves a -19.99% return, which is significantly lower than DIA's 8.31% return. Over the past 10 years, IDXX has outperformed DIA with an annualized return of 19.95%, while DIA has yielded a comparatively lower 13.69% annualized return.

IDXX

• 1D: -0.81%
• 1M: -3.23%
• YTD: -19.99%
• 6M: -20.67%
• 1Y: 3.18%
• 3Y*: 3.53%
• 5Y*: -2.52%
• 10Y*: 19.95%

DIA

• 1D: -0.09%
• 1M: 2.35%
• YTD: 8.31%
• 6M: 7.49%
• 1Y: 23.20%
• 3Y*: 17.21%
• 5Y*: 10.52%
• 10Y*: 13.69%

*Multi-year figures are annualized to reflect compound growth (CAGR)

IDXX vs. DIA - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
IDXX IDEXX Laboratories, Inc.	-19.99%	63.63%	-25.51%	36.06%	-38.04%	31.73%	91.43%	40.38%	18.95%	33.35%
DIA State Street SPDR Dow Jones Industrial Average ETF Trust	8.31%	14.71%	14.82%	16.02%	-7.02%	20.83%	9.59%	24.70%	-3.74%	28.08%

Correlation

The correlation between IDXX and DIA is 0.51, 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	0.51
Correlation (3Y) Calculated over the trailing 3-year period	0.51
Correlation (5Y) Calculated over the trailing 5-year period	0.55
Correlation (10Y) Calculated over the trailing 10-year period	0.51
Correlation (All Time) Calculated using the full available price history since Jan 20, 1998	0.44

The correlation between IDXX and DIA shifts across timeframes, from 0.44 (all time) to 0.55 (5 years), reflecting how their relationship changes across market environments.

Return for Risk

IDXX vs. DIA — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

IDXX

IDXX Risk / Return Rank: 45
IDXX Sharpe Ratio Rank: 46
IDXX Sortino Ratio Rank: 44
IDXX Omega Ratio Rank: 43
IDXX Calmar Ratio Rank: 45
IDXX Martin Ratio Rank: 45

DIA

DIA Risk / Return Rank: 56
DIA Sharpe Ratio Rank: 58
DIA Sortino Ratio Rank: 60
DIA Omega Ratio Rank: 55
DIA Calmar Ratio Rank: 50
DIA Martin Ratio Rank: 54

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.

IDXX vs. DIA - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for IDEXX Laboratories, Inc. (IDXX) and State Street SPDR Dow Jones Industrial Average ETF Trust (DIA). 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.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	IDXX	DIA	Difference
Sharpe ratio: Return per unit of total volatility	0.08	1.88	-1.80
Sortino ratio: Return per unit of downside risk	0.52	2.74	-2.22
Omega ratio: Gain probability vs. loss probability	1.06	1.33	-0.27
Calmar ratio: Return relative to maximum drawdown	0.10	2.39	-2.29
Martin ratio: Return relative to average drawdown	0.20	9.22	-9.02

IDXX vs. DIA - Sharpe Ratio Comparison

The current IDXX Sharpe Ratio is 0.08, which is lower than the DIA Sharpe Ratio of 1.88. The chart below compares the historical Sharpe Ratios of IDXX and DIA, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

IDXX vs. DIA - Drawdown Comparison

The maximum IDXX drawdown since its inception was -81.42%, which is greater than DIA's maximum drawdown of -51.87%. Use the drawdown chart below to compare losses from any high point for IDXX and DIA.

Drawdown Indicators

	IDXX	DIA	Difference
Max Drawdown Largest peak-to-trough decline	-81.42%	-51.87%	-29.55%
Max Drawdown (1Y) Largest decline over 1 year	-31.04%	-9.76%	-21.28%
Max Drawdown (3Y) Largest decline over 3 years	-37.41%	-15.95%	-21.46%
Max Drawdown (5Y) Largest decline over 5 years	-54.00%	-20.76%	-33.24%
Max Drawdown (10Y) Largest decline over 10 years	-54.00%	-36.70%	-17.30%
Current Drawdown Current decline from peak	-29.40%	-0.65%	-28.75%
Average Drawdown Average peak-to-trough decline	-21.01%	-7.13%	-13.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	15.96%	2.52%	+13.44%

Volatility

IDXX vs. DIA - Volatility Comparison

IDEXX Laboratories, Inc. (IDXX) has a higher volatility of 9.91% compared to State Street SPDR Dow Jones Industrial Average ETF Trust (DIA) at 4.15%. This indicates that IDXX's price experiences larger fluctuations and is considered to be riskier than DIA based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IDXX	DIA	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.91%	4.15%	+5.76%
Volatility (6M) Calculated over the trailing 6-month period	21.43%	9.76%	+11.67%
Volatility (1Y) Calculated over the trailing 1-year period	42.08%	12.42%	+29.66%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.44%	14.84%	+20.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.08%	17.53%	+15.55%

Dividends

IDXX vs. DIA - Dividend Comparison

IDXX has not paid dividends to shareholders, while DIA's dividend yield for the trailing twelve months is around 1.40%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DIA State Street SPDR Dow Jones Industrial Average ETF Trust	1.40%	1.43%	1.61%	1.81%	1.91%	1.58%	1.87%	1.85%	2.24%	1.97%	2.26%	2.33%
IDXX IDEXX Laboratories, 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

Can I hold both IDXX and DIA in my portfolio?

IDXX and DIA have a correlation of 0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, IDXX or DIA?

IDXX has higher volatility (9.91%) compared to DIA (4.15%). In terms of maximum drawdown, IDXX dropped -81.42% vs DIA's -51.87%.

Which has better risk-adjusted returns?

DIA currently has the higher Sharpe Ratio (1.88 vs 0.08), 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.