OEF vs. XLG
OEF (iShares S&P 100 ETF) and XLG (Invesco S&P 500 Top 50 ETF) are both exchange-traded funds - OEF is a Large Cap Blend Equities fund tracking the S&P 100 Index, while XLG is a S&P 500 fund tracking the S&P 500 Top 50 Index. Both are passively managed. Over the past 10 years, OEF returned 16.17%/yr vs 16.35%/yr for XLG. Their 0.98 correlation means they have historically moved very closely together. Both charge a 0.20% expense ratio.
Performance
OEF vs. XLG - Performance Comparison
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Returns By Period
In the year-to-date period, OEF achieves a 8.12% return, which is significantly higher than XLG's 2.89% return. Both investments have delivered pretty close results over the past 10 years, with OEF having a 16.17% annualized return and XLG not far ahead at 16.35%.
OEF
- 1D
- 0.95%
- 1M
- 0.81%
- 6M
- 7.93%
- YTD
- 8.12%
- 1Y
- 21.28%
- 3Y*
- 21.28%
- 5Y*
- 14.24%
- 10Y*
- 16.17%
- ALL TIME*
- 8.43%
XLG
- 1D
- 1.06%
- 1M
- 0.07%
- 6M
- 3.36%
- YTD
- 2.89%
- 1Y
- 15.84%
- 3Y*
- 20.00%
- 5Y*
- 13.72%
- 10Y*
- 16.35%
- ALL TIME*
- 11.32%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $110.18M | $97.33M | $117.28M | |
| $61.04M | $60.71M | $102.52M |
OEF vs. XLG - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OEF iShares S&P 100 ETF | 8.12% | 19.80% | 30.74% | 32.71% | -21.03% | 29.18% | 21.21% | 31.87% | -4.16% | 21.82% |
XLG Invesco S&P 500 Top 50 ETF | 2.89% | 19.51% | 33.49% | 38.16% | -24.29% | 30.77% | 24.15% | 32.04% | -3.59% | 23.04% |
Correlation
The correlation between OEF and XLG is 0.98 - they have historically moved very closely together. At this level, their price movements offset little of one another.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.98 |
Correlation (3Y) Balances recent behavior with more history. | 0.98 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.99 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.98 |
Correlation (All Time) Calculated using the full available price history since May 10, 2005 | 0.98 |
The correlation between OEF and XLG has been stable across timeframes, ranging from 0.98 to 0.99 - a consistent structural relationship.
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Return for Risk
OEF vs. XLG — Risk / Return Rank
OEF
XLG
OEF vs. XLG - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P 100 ETF (OEF) and Invesco S&P 500 Top 50 ETF (XLG). 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.
| OEF | XLG | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.44 | ||
| Sortino ratioReturn per unit of downside risk | +0.56 | ||
| Omega ratioGain probability vs. loss probability | 1.25 | 1.17 | +0.08 |
| Calmar ratioReturn relative to maximum drawdown | 1.71 | 1.10 | +0.61 |
| Martin ratioReturn relative to average drawdown | 6.48 | 3.41 | +3.07 |
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Drawdowns
OEF vs. XLG - Drawdown Comparison
The maximum OEF drawdown since its inception was -54.11%, roughly equal to the maximum XLG drawdown of -52.39%. Use the drawdown chart below to compare losses from any high point for OEF and XLG.
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Drawdown Indicators
| OEF | XLG | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.11% | -52.39% | -1.72% |
Max Drawdown (1Y)Largest decline over 1 year | -11.06% | -12.41% | +1.35% |
Max Drawdown (3Y)Largest decline over 3 years | -19.80% | -20.70% | +0.90% |
Max Drawdown (5Y)Largest decline over 5 years | -26.47% | -28.02% | +1.55% |
Max Drawdown (10Y)Largest decline over 10 years | -31.44% | -30.46% | -0.98% |
Current DrawdownCurrent decline from peak | -2.20% | -5.74% | +3.54% |
Average DrawdownAverage peak-to-trough decline | -11.70% | -7.62% | -4.08% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.91% | 3.98% | -1.07% |
Volatility
OEF vs. XLG - Volatility Comparison
The current volatility for iShares S&P 100 ETF (OEF) is 4.08%, while Invesco S&P 500 Top 50 ETF (XLG) has a volatility of 5.03%. This indicates that OEF experiences smaller price fluctuations and is considered to be less risky than XLG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| OEF | XLG | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.08% | 5.03% | -0.95% |
Volatility (6M)Calculated over the trailing 6-month period | 10.93% | 11.54% | -0.61% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.86% | 14.75% | -0.89% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.85% | 18.89% | -1.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.49% | 18.92% | -0.43% |
OEF vs. XLG - Expense Ratio Comparison
Both OEF and XLG have an expense ratio of 0.20%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.
Dividends
OEF vs. XLG - Dividend Comparison
OEF's dividend yield for the trailing twelve months is around 0.87%, more than XLG's 0.65% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OEF iShares S&P 100 ETF | 0.87% | 0.81% | 1.03% | 1.19% | 1.55% | 1.06% | 1.43% | 1.87% | 2.09% | 1.81% | 2.07% | 2.11% |
XLG Invesco S&P 500 Top 50 ETF | 0.65% | 0.64% | 0.72% | 0.97% | 1.34% | 0.94% | 1.25% | 1.58% | 2.00% | 1.85% | 2.00% | 2.09% |
Frequently Asked Questions
With a correlation of 0.98, OEF and XLG move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
XLG has higher volatility (5.03%) compared to OEF (4.08%). In terms of maximum drawdown, OEF dropped -54.11% vs XLG's -52.39%.
On 10-year performance, XLG leads with 16.35% vs 16.17% for OEF. Both ETFs have the same 0.20% expense ratio. On volatility, OEF has been the lower-risk option at 4.08%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, XLG has performed better with a 16.35% return vs 16.17%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
OEF and XLG have the same expense ratio: 0.20% per year.
OEF has the higher dividend yield at 0.87%, compared with 0.65% for XLG.
OEF is categorized as Large Cap Blend Equities, while XLG is S&P 500. OEF tracks S&P 100 Index, while XLG tracks S&P 500 Top 50 Index. They also come from different issuers: iShares and Invesco.
OEF currently has the higher Sharpe Ratio (1.36 vs 0.92), 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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