OEF vs. PBUS
OEF (iShares S&P 100 ETF) and PBUS (Invesco PureBeta MSCI USA ETF) are both exchange-traded funds - OEF is a Large Cap Blend Equities fund tracking the S&P 100 Index, while PBUS is a Large Cap Growth Equities fund tracking the MSCI USA Index. Both are passively managed. Over the past 5 years, OEF returned 14.45%/yr vs 12.60%/yr for PBUS. Their correlation of 0.88 suggests significant overlap in exposure. OEF charges 0.20%/yr vs 0.04%/yr for PBUS.
Performance
OEF vs. PBUS - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, OEF achieves a 5.60% return, which is significantly lower than PBUS's 8.10% return.
OEF
- 1D
- -1.41%
- 1M
- -2.70%
- YTD
- 5.60%
- 6M
- 4.83%
- 1Y
- 23.70%
- 3Y*
- 22.31%
- 5Y*
- 14.45%
- 10Y*
- 16.63%
PBUS
- 1D
- -1.41%
- 1M
- -1.27%
- YTD
- 8.10%
- 6M
- 7.04%
- 1Y
- 23.30%
- 3Y*
- 20.88%
- 5Y*
- 12.60%
- 10Y*
- —
OEF vs. PBUS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OEF iShares S&P 100 ETF | 5.60% | 19.80% | 30.74% | 32.71% | -21.03% | 29.18% | 21.21% | 31.87% | -4.16% | 7.62% |
PBUS Invesco PureBeta MSCI USA ETF | 8.10% | 17.58% | 24.99% | 27.33% | -19.64% | 26.77% | 21.75% | 31.60% | -4.77% | 7.13% |
Correlation
The correlation between OEF and PBUS is 0.96 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.96 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.97 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.97 |
Correlation (All Time) Calculated using the full available price history since Sep 22, 2017 | 0.88 |
The correlation between OEF and PBUS has been stable across timeframes, ranging from 0.88 to 0.97 - a consistent structural relationship.
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
OEF vs. PBUS — Risk / Return Rank
OEF
PBUS
OEF vs. PBUS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P 100 ETF (OEF) and Invesco PureBeta MSCI USA ETF (PBUS). 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 | PBUS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.06 | ||
| Sortino ratioReturn per unit of downside risk | -0.09 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.33 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 2.15 | 2.59 | -0.44 |
| Martin ratioReturn relative to average drawdown | 8.71 | 11.32 | -2.61 |
Loading charts...
Drawdowns
OEF vs. PBUS - Drawdown Comparison
The maximum OEF drawdown since its inception was -54.11%, which is greater than PBUS's maximum drawdown of -33.15%. Use the drawdown chart below to compare losses from any high point for OEF and PBUS.
Loading charts...
Drawdown Indicators
| OEF | PBUS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.11% | -33.15% | -20.96% |
Max Drawdown (1Y)Largest decline over 1 year | -11.06% | -9.02% | -2.04% |
Max Drawdown (3Y)Largest decline over 3 years | -19.80% | -19.07% | -0.73% |
Max Drawdown (5Y)Largest decline over 5 years | -26.47% | -25.40% | -1.07% |
Max Drawdown (10Y)Largest decline over 10 years | -31.44% | — | — |
Current DrawdownCurrent decline from peak | -4.48% | -3.08% | -1.40% |
Average DrawdownAverage peak-to-trough decline | -11.74% | -5.11% | -6.63% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.73% | 2.06% | +0.67% |
Volatility
OEF vs. PBUS - Volatility Comparison
iShares S&P 100 ETF (OEF) has a higher volatility of 5.27% compared to Invesco PureBeta MSCI USA ETF (PBUS) at 5.01%. This indicates that OEF's price experiences larger fluctuations and is considered to be riskier than PBUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| OEF | PBUS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 5.27% | 5.01% | +0.26% |
Volatility (6M)Calculated over the trailing 6-month period | 10.57% | 10.10% | +0.47% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.42% | 12.77% | +0.65% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.81% | 17.16% | +0.65% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.48% | 19.34% | -0.86% |
OEF vs. PBUS - Expense Ratio Comparison
OEF has a 0.20% expense ratio, which is higher than PBUS's 0.04% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
OEF vs. PBUS - Dividend Comparison
OEF's dividend yield for the trailing twelve months is around 0.89%, less than PBUS's 1.04% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OEF iShares S&P 100 ETF | 0.89% | 0.81% | 1.03% | 1.19% | 1.55% | 1.06% | 1.43% | 1.87% | 2.09% | 1.81% | 2.07% | 2.11% |
PBUS Invesco PureBeta MSCI USA ETF | 1.04% | 1.05% | 1.20% | 1.36% | 1.71% | 0.98% | 1.35% | 1.53% | 2.33% | 0.50% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.96, OEF and PBUS 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.
OEF has higher volatility (5.27%) compared to PBUS (5.01%). In terms of maximum drawdown, OEF dropped -54.11% vs PBUS's -33.15%.
On 5-year performance, OEF leads with 14.45% vs 12.60% for PBUS. On fees, PBUS is cheaper at 0.04% per year. On volatility, PBUS has been the lower-risk option at 5.01%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, OEF has performed better with a 14.45% return vs 12.60%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
PBUS is cheaper with a 0.04% expense ratio, compared with 0.20% for OEF.
PBUS has the higher dividend yield at 1.04%, compared with 0.89% for OEF.
OEF is categorized as Large Cap Blend Equities, while PBUS is Large Cap Growth Equities. OEF tracks S&P 100 Index, while PBUS tracks MSCI USA Index. They also come from different issuers: iShares and Invesco. Their fees differ too: 0.20% for OEF and 0.04% for PBUS.
PBUS currently has the higher Sharpe Ratio (1.84 vs 1.78), 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 OEF and PBUS
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