IEX vs. DCI
IEX (IDEX Corporation) and DCI (Donaldson Company, Inc.) are both stocks. Both operate in the Specialty Industrial Machinery industry within the Industrials sector. Over the past 10 years, IEX returned 11.21%/yr vs 10.69%/yr for DCI. A 0.51 correlation means they provide meaningful diversification when combined.
Performance
IEX vs. DCI - Performance Comparison
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Returns By Period
In the year-to-date period, IEX achieves a 21.89% return, which is significantly higher than DCI's -3.60% return. Both investments have delivered pretty close results over the past 10 years, with IEX having a 11.21% annualized return and DCI not far behind at 10.69%.
IEX
- 1D
- 1.51%
- 1M
- 0.83%
- YTD
- 21.89%
- 6M
- 21.71%
- 1Y
- 20.12%
- 3Y*
- 2.48%
- 5Y*
- 0.36%
- 10Y*
- 11.21%
DCI
- 1D
- -0.47%
- 1M
- 0.07%
- YTD
- -3.60%
- 6M
- -2.12%
- 1Y
- 24.81%
- 3Y*
- 14.41%
- 5Y*
- 7.32%
- 10Y*
- 10.69%
IEX vs. DCI - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IEX IDEX Corporation | 21.89% | -13.69% | -2.35% | -3.80% | -2.22% | 19.82% | 17.22% | 37.94% | -3.16% | 48.53% |
DCI Donaldson Company, Inc. | -3.60% | 33.71% | 4.62% | 12.80% | 0.96% | 7.56% | -1.41% | 34.98% | -9.95% | 18.17% |
Correlation
The correlation between IEX and DCI is 0.67, 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 | 0.67 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.67 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.70 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.70 |
Correlation (All Time) Calculated using the full available price history since Jun 24, 1991 | 0.51 |
The correlation between IEX and DCI shifts across timeframes, from 0.51 (all time) to 0.70 (5 years), reflecting how their relationship changes across market environments.
Fundamentals
IEX:
$16.02B
DCI:
$10.07B
IEX:
$6.77
DCI:
$3.72
IEX:
31.82
DCI:
22.92
IEX:
9.39
DCI:
2.66
IEX:
4.58
DCI:
2.64
IEX:
3.96
DCI:
5.94
IEX:
$3.53B
DCI:
$3.81B
IEX:
$1.57B
DCI:
$1.30B
IEX:
$885.40M
DCI:
$664.30M
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Return for Risk
IEX vs. DCI — Risk / Return Rank
IEX
DCI
IEX vs. DCI - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for IDEX Corporation (IEX) and Donaldson Company, Inc. (DCI). 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.
| IEX | DCI | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.17 | ||
| Sortino ratioReturn per unit of downside risk | -0.24 | ||
| Omega ratioGain probability vs. loss probability | 1.16 | 1.21 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 1.33 | 0.96 | +0.38 |
| Martin ratioReturn relative to average drawdown | 2.59 | 2.19 | +0.40 |
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
| IEX | DCI | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.79 | 0.96 | -0.17 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.02 | 0.31 | -0.30 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.46 | 0.41 | +0.05 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.14 | 0.51 | -0.37 |
Drawdowns
IEX vs. DCI - Drawdown Comparison
The maximum IEX drawdown since its inception was -81.60%, which is greater than DCI's maximum drawdown of -56.90%. Use the drawdown chart below to compare losses from any high point for IEX and DCI.
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Drawdown Indicators
| IEX | DCI | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -81.60% | -56.90% | -24.70% |
Max Drawdown (1Y)Largest decline over 1 year | -15.17% | -26.05% | +10.88% |
Max Drawdown (3Y)Largest decline over 3 years | -34.60% | -26.05% | -8.55% |
Max Drawdown (5Y)Largest decline over 5 years | -34.60% | -32.20% | -2.40% |
Max Drawdown (10Y)Largest decline over 10 years | -35.52% | -42.72% | +7.20% |
Current DrawdownCurrent decline from peak | -9.57% | -22.70% | +13.13% |
Average DrawdownAverage peak-to-trough decline | -11.44% | -11.08% | -0.36% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.78% | 11.35% | -3.57% |
Volatility
IEX vs. DCI - Volatility Comparison
The current volatility for IDEX Corporation (IEX) is 5.83%, while Donaldson Company, Inc. (DCI) has a volatility of 7.24%. This indicates that IEX experiences smaller price fluctuations and is considered to be less risky than DCI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| IEX | DCI | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.83% | 7.24% | -1.41% |
Volatility (6M)Calculated over the trailing 6-month period | 16.95% | 21.87% | -4.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 25.76% | 25.94% | -0.18% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.02% | 23.49% | +0.53% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.25% | 25.87% | -1.62% |
Dividends
IEX vs. DCI - Dividend Comparison
IEX's dividend yield for the trailing twelve months is around 1.33%, less than DCI's 1.41% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
DCI Donaldson Company, Inc. | 1.41% | 1.32% | 1.57% | 1.50% | 1.55% | 1.47% | 1.50% | 1.42% | 1.73% | 1.45% | 1.65% | 2.36% |
IEX IDEX Corporation | 1.33% | 1.58% | 1.29% | 1.16% | 1.02% | 0.90% | 1.00% | 1.12% | 1.31% | 1.10% | 1.49% | 1.62% |
Financials
IEX vs. DCI - Financials Comparison
This section allows you to compare key financial metrics between IDEX Corporation and Donaldson Company, 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
IEX vs. DCI - Profitability Comparison
IEX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, IDEX Corporation reported a gross profit of 398.10M and revenue of 886.90M. Therefore, the gross margin over that period was 44.9%.
DCI - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Donaldson Company, Inc. reported a gross profit of 333.40M and revenue of 995.10M. Therefore, the gross margin over that period was 33.5%.
IEX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, IDEX Corporation reported an operating income of 172.40M and revenue of 886.90M, resulting in an operating margin of 19.4%.
DCI - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Donaldson Company, Inc. reported an operating income of 155.30M and revenue of 995.10M, resulting in an operating margin of 15.6%.
IEX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, IDEX Corporation reported a net income of 120.00M and revenue of 886.90M, resulting in a net margin of 13.5%.
DCI - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Donaldson Company, Inc. reported a net income of 118.10M and revenue of 995.10M, resulting in a net margin of 11.9%.
Frequently Asked Questions
IEX and DCI have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
DCI has higher volatility (7.24%) compared to IEX (5.83%). In terms of maximum drawdown, IEX dropped -81.60% vs DCI's -56.90%.
DCI currently has the higher Sharpe Ratio (0.96 vs 0.79), 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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