OEF vs. IGM
OEF (iShares S&P 100 ETF) and IGM (iShares Expanded Tech Sector ETF) are both exchange-traded funds - OEF is a Large Cap Blend Equities fund tracking the S&P 100 Index, while IGM is a Technology Equities fund tracking the S&P North American Expanded Technology Sector Index. Both are passively managed. Over the past 10 years, OEF returned 16.78%/yr vs 25.12%/yr for IGM. Their correlation of 0.85 suggests significant overlap in exposure. OEF charges 0.20%/yr vs 0.39%/yr for IGM.
Performance
OEF vs. IGM - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, OEF achieves a 8.71% return, which is significantly lower than IGM's 27.92% return. Over the past 10 years, OEF has underperformed IGM with an annualized return of 16.78%, while IGM has yielded a comparatively higher 25.12% annualized return.
OEF
- 1D
- 2.03%
- 1M
- 0.66%
- YTD
- 8.71%
- 6M
- 9.60%
- 1Y
- 28.24%
- 3Y*
- 23.02%
- 5Y*
- 15.42%
- 10Y*
- 16.78%
IGM
- 1D
- 3.64%
- 1M
- 7.10%
- YTD
- 27.92%
- 6M
- 29.29%
- 1Y
- 56.16%
- 3Y*
- 36.48%
- 5Y*
- 20.96%
- 10Y*
- 25.12%
OEF vs. IGM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
OEF iShares S&P 100 ETF | 8.71% | 19.80% | 30.74% | 32.71% | -21.03% | 29.18% | 21.21% | 31.87% | -4.16% | 21.82% |
IGM iShares Expanded Tech Sector ETF | 27.92% | 26.76% | 36.99% | 60.68% | -35.83% | 25.72% | 45.11% | 41.81% | 2.26% | 37.20% |
Correlation
The correlation between OEF and IGM is 0.89, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.89 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.91 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.93 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Mar 19, 2001 | 0.85 |
The correlation between OEF and IGM has been stable across timeframes, ranging from 0.85 to 0.93 - 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. IGM — Risk / Return Rank
OEF
IGM
OEF vs. IGM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares S&P 100 ETF (OEF) and iShares Expanded Tech Sector ETF (IGM). 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 | IGM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.40 | ||
| Sortino ratioReturn per unit of downside risk | -0.26 | ||
| Omega ratioGain probability vs. loss probability | 1.39 | 1.42 | -0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.57 | 3.43 | -0.87 |
| Martin ratioReturn relative to average drawdown | 10.52 | 11.62 | -1.10 |
Loading charts...
Drawdowns
OEF vs. IGM - Drawdown Comparison
The maximum OEF drawdown since its inception was -54.11%, smaller than the maximum IGM drawdown of -65.59%. Use the drawdown chart below to compare losses from any high point for OEF and IGM.
Loading charts...
Drawdown Indicators
| OEF | IGM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -54.11% | -65.59% | +11.48% |
Max Drawdown (1Y)Largest decline over 1 year | -11.06% | -16.44% | +5.38% |
Max Drawdown (3Y)Largest decline over 3 years | -19.80% | -26.39% | +6.59% |
Max Drawdown (5Y)Largest decline over 5 years | -26.47% | -40.68% | +14.21% |
Max Drawdown (10Y)Largest decline over 10 years | -31.44% | -40.68% | +9.24% |
Current DrawdownCurrent decline from peak | -1.67% | -3.41% | +1.74% |
Average DrawdownAverage peak-to-trough decline | -11.74% | -15.22% | +3.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.69% | 4.85% | -2.16% |
Volatility
OEF vs. IGM - Volatility Comparison
The current volatility for iShares S&P 100 ETF (OEF) is 4.96%, while iShares Expanded Tech Sector ETF (IGM) has a volatility of 10.54%. This indicates that OEF experiences smaller price fluctuations and is considered to be less risky than IGM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| OEF | IGM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.96% | 10.54% | -5.58% |
Volatility (6M)Calculated over the trailing 6-month period | 10.42% | 18.42% | -8.00% |
Volatility (1Y)Calculated over the trailing 1-year period | 13.29% | 22.24% | -8.95% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.79% | 25.97% | -8.18% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.49% | 24.70% | -6.21% |
OEF vs. IGM - Expense Ratio Comparison
OEF has a 0.20% expense ratio, which is lower than IGM's 0.39% expense ratio.
Dividends
OEF vs. IGM - Dividend Comparison
OEF's dividend yield for the trailing twelve months is around 1.04%, more than IGM's 0.17% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGM iShares Expanded Tech Sector ETF | 0.17% | 0.17% | 0.22% | 0.33% | 0.66% | 0.16% | 0.32% | 0.50% | 0.57% | 0.57% | 0.90% | 0.79% |
OEF iShares S&P 100 ETF | 1.04% | 0.81% | 1.03% | 1.19% | 1.55% | 1.06% | 1.43% | 1.87% | 2.09% | 1.81% | 2.07% | 2.11% |
Frequently Asked Questions
OEF and IGM have a correlation of 0.89, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IGM has higher volatility (10.54%) compared to OEF (4.96%). In terms of maximum drawdown, OEF dropped -54.11% vs IGM's -65.59%.
On 10-year performance, IGM leads with 25.12% vs 16.78% for OEF. On fees, OEF is cheaper at 0.20% per year. On volatility, OEF has been the lower-risk option at 4.96%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, IGM has performed better with a 25.12% return vs 16.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
OEF is cheaper with a 0.20% expense ratio, compared with 0.39% for IGM.
OEF has the higher dividend yield at 1.04%, compared with 0.17% for IGM.
OEF is categorized as Large Cap Blend Equities, while IGM is Technology Equities. OEF tracks S&P 100 Index, while IGM tracks S&P North American Expanded Technology Sector Index. Their fees differ too: 0.20% for OEF and 0.39% for IGM.
IGM currently has the higher Sharpe Ratio (2.54 vs 2.14), 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 IGM
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