IDXX vs. COST
IDXX (IDEXX Laboratories, Inc.) and COST (Costco Wholesale Corporation) are both stocks. IDXX operates in Diagnostics & Research (Healthcare), while COST operates in Discount Stores (Consumer Defensive). Over the past 10 years, IDXX returned 20.12%/yr vs 22.25%/yr for COST. At a 0.26 correlation, their price movements are largely independent.
Performance
IDXX vs. COST - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, IDXX achieves a -18.58% return, which is significantly lower than COST's 10.97% return. Over the past 10 years, IDXX has underperformed COST with an annualized return of 20.12%, while COST has yielded a comparatively higher 22.25% annualized return.
IDXX
- 1D
- -2.82%
- 1M
- -2.93%
- YTD
- -18.58%
- 6M
- -24.83%
- 1Y
- 7.00%
- 3Y*
- 5.37%
- 5Y*
- 0.02%
- 10Y*
- 20.12%
COST
- 1D
- 0.86%
- 1M
- -5.68%
- YTD
- 10.97%
- 6M
- 3.79%
- 1Y
- -9.20%
- 3Y*
- 24.67%
- 5Y*
- 21.28%
- 10Y*
- 22.25%
IDXX vs. COST - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IDXX IDEXX Laboratories, Inc. | -18.58% | 63.63% | -25.51% | 36.06% | -38.04% | 31.73% | 91.43% | 40.38% | 18.95% | 33.35% |
COST Costco Wholesale Corporation | 10.97% | -5.39% | 39.62% | 49.00% | -19.05% | 51.82% | 32.67% | 45.70% | 10.60% | 22.37% |
Correlation
The correlation between IDXX and COST is 0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.09 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.23 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.37 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.35 |
Correlation (All Time) Calculated using the full available price history since Sep 23, 1993 | 0.26 |
The correlation between IDXX and COST shifts across timeframes, from 0.09 (1 year) to 0.37 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
IDXX:
$18.08
COST:
$26.51
IDXX:
30.47
COST:
36.00
IDXX:
2.63
COST:
2.81
IDXX:
7.51
COST:
1.08
IDXX:
$4.45B
COST:
$293.59B
IDXX:
$2.76B
COST:
$11.12B
IDXX:
$1.52B
COST:
$12.48B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
IDXX vs. COST — Risk / Return Rank
IDXX
COST
IDXX vs. COST - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for IDEXX Laboratories, Inc. (IDXX) and Costco Wholesale Corporation (COST). 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.
| IDXX | COST | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.17 | -0.48 | +0.65 |
Sortino ratioReturn per unit of downside risk | 0.70 | -0.56 | +1.26 |
Omega ratioGain probability vs. loss probability | 1.09 | 0.93 | +0.15 |
Calmar ratioReturn relative to maximum drawdown | 0.24 | -0.40 | +0.64 |
Martin ratioReturn relative to average drawdown | 0.50 | -0.78 | +1.28 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| IDXX | COST | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.17 | -0.48 | +0.65 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.00 | 0.94 | -0.94 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.61 | 1.02 | -0.41 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.51 | 0.58 | -0.08 |
Drawdowns
IDXX vs. COST - Drawdown Comparison
The maximum IDXX drawdown since its inception was -81.42%, which is greater than COST's maximum drawdown of -53.39%. Use the drawdown chart below to compare losses from any high point for IDXX and COST.
Loading charts...
Drawdown Indicators
| IDXX | COST | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -81.42% | -53.39% | -28.03% |
Max Drawdown (1Y)Largest decline over 1 year | -31.04% | -19.25% | -11.79% |
Max Drawdown (3Y)Largest decline over 3 years | -37.41% | -20.74% | -16.67% |
Max Drawdown (5Y)Largest decline over 5 years | -54.00% | -31.40% | -22.60% |
Max Drawdown (10Y)Largest decline over 10 years | -54.00% | -31.40% | -22.60% |
Current DrawdownCurrent decline from peak | -28.16% | -12.80% | -15.36% |
Average DrawdownAverage peak-to-trough decline | -21.00% | -13.36% | -7.64% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.65% | 9.92% | +4.73% |
Volatility
IDXX vs. COST - Volatility Comparison
IDEXX Laboratories, Inc. (IDXX) has a higher volatility of 8.93% compared to Costco Wholesale Corporation (COST) at 7.99%. This indicates that IDXX's price experiences larger fluctuations and is considered to be riskier than COST based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| IDXX | COST | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 8.93% | 7.99% | +0.94% |
Volatility (6M)Calculated over the trailing 6-month period | 20.04% | 14.81% | +5.23% |
Volatility (1Y)Calculated over the trailing 1-year period | 41.39% | 19.17% | +22.22% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 35.27% | 22.73% | +12.54% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 33.01% | 21.95% | +11.06% |
Dividends
IDXX vs. COST - Dividend Comparison
IDXX has not paid dividends to shareholders, while COST's dividend yield for the trailing twelve months is around 0.56%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
COST Costco Wholesale Corporation | 0.56% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
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% |
Financials
IDXX vs. COST - Financials Comparison
This section allows you to compare key financial metrics between IDEXX Laboratories, Inc. and Costco Wholesale Corporation. 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
IDXX vs. COST - Profitability Comparison
IDXX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, IDEXX Laboratories, Inc. reported a gross profit of 722.74M and revenue of 1.14B. Therefore, the gross margin over that period was 63.4%.
COST - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported a gross profit of -17.68B and revenue of 70.53B. Therefore, the gross margin over that period was -25.1%.
IDXX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, IDEXX Laboratories, Inc. reported an operating income of 362.59M and revenue of 1.14B, resulting in an operating margin of 31.8%.
COST - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported an operating income of 2.82B and revenue of 70.53B, resulting in an operating margin of 4.0%.
IDXX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, IDEXX Laboratories, Inc. reported a net income of 278.45M and revenue of 1.14B, resulting in a net margin of 24.4%.
COST - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Costco Wholesale Corporation reported a net income of 2.19B and revenue of 70.53B, resulting in a net margin of 3.1%.
Frequently Asked Questions
IDXX and COST have a correlation of 0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IDXX has higher volatility (8.93%) compared to COST (7.99%). In terms of maximum drawdown, IDXX dropped -81.42% vs COST's -53.39%.
IDXX currently has the higher Sharpe Ratio (0.17 vs -0.48), 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.
Find the right allocation for IDXX and COST
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer