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SROI vs. IEO
Performance
Return for Risk
Drawdowns
Volatility
Dividends

SROI vs. IEO

Last updated Aug 5, 2026
Documentation

SROI (Calamos Antetokounmpo Global Sustainable Equities ETF) and IEO (iShares U.S. Oil & Gas Exploration & Production ETF) are both exchange-traded funds - SROI is a Global Equities fund actively managed by Calamos, while IEO is a Energy Equities fund tracking the Dow Jones U.S. Select Oil Exploration & Production Index. SROI is actively managed, while IEO is passively managed. Over the past 3 years, SROI returned 14.90%/yr vs 11.67%/yr for IEO. Their 0.15 correlation means their historical movements had little consistent relationship. SROI charges 0.95%/yr vs 0.38%/yr for IEO.

Performance

SROI vs. IEO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Calamos Antetokounmpo Global Sustainable Equities ETF (SROI) and iShares U.S. Oil & Gas Exploration & Production ETF (IEO). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, SROI achieves a 14.28% return, which is significantly lower than IEO's 39.03% return.

SROI

1D
1.56%
1M
3.26%
6M
11.34%
YTD
14.28%
1Y
21.36%
3Y*
14.90%
5Y*
—
10Y*
—
ALL TIME*
14.16%

IEO

1D
-0.91%
1M
11.27%
6M
25.75%
YTD
39.03%
1Y
43.17%
3Y*
11.67%
5Y*
23.01%
10Y*
10.64%
ALL TIME*
6.09%
*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

PositionAvg. Volume Value (2W)Avg. Volume Value (1M)Avg. Volume Value (3M)

IEO

iShares U.S. Oil & Gas Exploration & Production ETF
$8.72M$7.71M$8.53M

SROI

Calamos Antetokounmpo Global Sustainable Equities ETF
$12.03K$13.42K$18.49K

SROI vs. IEO - Yearly Performance Comparison

2026 (YTD)202520242023
SROI
Calamos Antetokounmpo Global Sustainable Equities ETF		14.28%16.36%9.48%9.06%
IEO
iShares U.S. Oil & Gas Exploration & Production ETF		39.03%2.15%-1.45%7.29%

Correlation

The correlation between SROI and IEO is -0.21, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

Correlation
Correlation (1Y)
Focuses on recent behavior, but can change the most.

-0.21

Correlation (3Y)
Balances recent behavior with more history.

0.08

Correlation (All Time)
Calculated using the full available price history since Feb 6, 2023

0.15

The correlation between SROI and IEO shifts across timeframes, from -0.21 (1 year) to 0.15 (all time), reflecting how their relationship changes across market environments.

SROI vs. IEO - Sectors Allocation Comparison

Sectors
SROI
IEO

Technology

33.4%

-

Industrials

17.2%
1.0%

Financial Services

12.9%

-

Consumer Cyclical

8.6%

-

Healthcare

7.8%

-

Communication Services

6.8%

-

Consumer Defensive

4.5%

-

Basic Materials

4.1%
0.9%

Utilities

1.7%

-

Real Estate

1.4%

-

Energy

0.8%
99.1%

Technology

SROI
33.4%
IEO

-

Industrials

SROI
17.2%
IEO
1.0%

Financial Services

SROI
12.9%
IEO

-

Consumer Cyclical

SROI
8.6%
IEO

-

Healthcare

SROI
7.8%
IEO

-

Communication Services

SROI
6.8%
IEO

-

Consumer Defensive

SROI
4.5%
IEO

-

Basic Materials

SROI
4.1%
IEO
0.9%

Utilities

SROI
1.7%
IEO

-

Real Estate

SROI
1.4%
IEO

-

Energy

SROI
0.8%
IEO
99.1%

Compare stocks, funds, or ETFs

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

Calamos Antetokounmpo Global Sustainable Equities ETF

iShares U.S. Oil & Gas Exploration & Production ETF

Often compared with SROI:
SROI vs. CVRTSROI vs. IDMOSROI vs. GABFSROI vs. CBOJSROI vs. CAIQSROI vs. CPNSSROI vs. CAIE
Often compared with IEO:
IEO vs. XLEIEO vs. VDEIEO vs. FENYIEO vs. FCGIEO vs. DEOIEO vs. PCEFIEO vs. CRAK

Return for Risk

SROI vs. IEO — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.
SROI
SROI Risk / Return Rank: 5454
Overall Rank
SROI Sharpe Ratio Rank: 5252
Sharpe Ratio Rank
SROI Sortino Ratio Rank: 5353
Sortino Ratio Rank
SROI Omega Ratio Rank: 5151
Omega Ratio Rank
SROI Calmar Ratio Rank: 5252
Calmar Ratio Rank
SROI Martin Ratio Rank: 6464
Martin Ratio Rank
IEO
IEO Risk / Return Rank: 5959
Overall Rank
IEO Sharpe Ratio Rank: 6363
Sharpe Ratio Rank
IEO Sortino Ratio Rank: 5757
Sortino Ratio Rank
IEO Omega Ratio Rank: 5454
Omega Ratio Rank
IEO Calmar Ratio Rank: 6868
Calmar Ratio Rank
IEO Martin Ratio Rank: 5252
Martin Ratio Rank
The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

SROI vs. IEO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Calamos Antetokounmpo Global Sustainable Equities ETF (SROI) and iShares U.S. Oil & Gas Exploration & Production ETF (IEO). 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.

SROIIEODifference
Sharpe ratioReturn per unit of total volatility
1.47
1.68

-0.21

Sortino ratioReturn per unit of downside risk
2.11
2.21

-0.10

Omega ratioGain probability vs. loss probability

1.26

1.27

-0.01

Calmar ratioReturn relative to maximum drawdown

2.11

2.66

-0.55

Martin ratioReturn relative to average drawdown

8.74

6.64

+2.10

SROI vs. IEO - Sharpe Ratio Comparison

The current SROI Sharpe Ratio is 1.47, which is comparable to the IEO Sharpe Ratio of 1.68. The chart below compares the historical Sharpe Ratios of SROI and IEO, 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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Drawdowns

SROI vs. IEO - Drawdown Comparison

The maximum SROI drawdown since its inception was -15.38%, smaller than the maximum IEO drawdown of -79.17%. Use the drawdown chart below to compare losses from any high point for SROI and IEO.

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Drawdown Indicators

SROIIEODifference

Max Drawdown

Largest peak-to-trough decline

-15.38%

-79.17%

+63.79%

Max Drawdown (1Y)

Largest decline over 1 year

-10.19%

-16.32%

+6.13%

Max Drawdown (3Y)

Largest decline over 3 years

-15.38%

-31.46%

+16.08%

Max Drawdown (5Y)

Largest decline over 5 years

—

-31.46%

—

Max Drawdown (10Y)

Largest decline over 10 years

—

-75.00%

—

Current Drawdown

Current decline from peak

0.00%

-4.24%

+4.24%

Average Drawdown

Average peak-to-trough decline

-2.39%

-26.13%

+23.74%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.45%

6.52%

-4.07%

Volatility

SROI vs. IEO - Volatility Comparison

The current volatility for Calamos Antetokounmpo Global Sustainable Equities ETF (SROI) is 4.43%, while iShares U.S. Oil & Gas Exploration & Production ETF (IEO) has a volatility of 7.87%. This indicates that SROI experiences smaller price fluctuations and is considered to be less risky than IEO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

SROIIEODifference

Volatility (1M)

Calculated over the trailing 1-month period

4.43%

7.87%

-3.44%

Volatility (6M)

Calculated over the trailing 6-month period

12.33%

20.37%

-8.04%

Volatility (1Y)

Calculated over the trailing 1-year period

14.61%

25.76%

-11.15%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

14.06%

30.22%

-16.16%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

14.06%

34.91%

-20.85%

SROI vs. IEO - Expense Ratio Comparison

SROI has a 0.95% expense ratio, which is higher than IEO's 0.38% expense ratio.

Dividends

SROI vs. IEO - Dividend Comparison

SROI's dividend yield for the trailing twelve months is around 0.53%, less than IEO's 1.90% yield.

PositionTTM20252024202320222021202020192018201720162015
IEO
iShares U.S. Oil & Gas Exploration & Production ETF		1.90%2.61%2.63%3.00%3.77%2.62%3.17%1.85%1.67%0.94%0.98%2.03%
SROI
Calamos Antetokounmpo Global Sustainable Equities ETF		0.53%0.60%0.68%0.94%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%

Frequently Asked Questions

SROI and IEO have a correlation of -0.21, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

IEO has higher volatility (7.87%) compared to SROI (4.43%). In terms of maximum drawdown, SROI dropped -15.38% vs IEO's -79.17%.

On 3-year performance, SROI leads with 14.90% vs 11.67% for IEO. On fees, IEO is cheaper at 0.38% per year. On volatility, SROI has been the lower-risk option at 4.43%. The better choice depends on whether you care most about return, fees, risk, or income.

Over the 3-year period, SROI has performed better with a 14.90% return vs 11.67%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

IEO is cheaper with a 0.38% expense ratio, compared with 0.95% for SROI.

IEO has the higher dividend yield at 1.90%, compared with 0.53% for SROI.

SROI is categorized as Global Equities, while IEO is Energy Equities. They also come from different issuers: Calamos and iShares. Their fees differ too: 0.95% for SROI and 0.38% for IEO.

IEO currently has the higher Sharpe Ratio (1.68 vs 1.47), 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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