REW vs. IGM
REW (ProShares UltraShort Technology) and IGM (iShares Expanded Tech Sector ETF) are both exchange-traded funds - REW is a Leveraged Equities fund tracking the Dow Jones U.S. Technology Index (-200%), 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, REW returned -45.02%/yr vs 24.77%/yr for IGM. At a correlation of -0.95, they often move in opposite directions. REW charges 0.95%/yr vs 0.39%/yr for IGM.
Performance
REW vs. IGM - Performance Comparison
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Returns By Period
In the year-to-date period, REW achieves a -43.42% return, which is significantly lower than IGM's 21.80% return. Over the past 10 years, REW has underperformed IGM with an annualized return of -45.02%, while IGM has yielded a comparatively higher 24.77% annualized return.
REW
- 1D
- 0.07%
- 1M
- -7.63%
- YTD
- -43.42%
- 6M
- -41.39%
- 1Y
- -58.32%
- 3Y*
- -45.09%
- 5Y*
- -37.89%
- 10Y*
- -45.02%
IGM
- 1D
- -0.69%
- 1M
- 0.05%
- YTD
- 21.80%
- 6M
- 19.91%
- 1Y
- 44.14%
- 3Y*
- 35.36%
- 5Y*
- 19.12%
- 10Y*
- 24.77%
REW vs. IGM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
REW ProShares UltraShort Technology | -43.42% | -43.15% | -33.70% | -61.35% | 65.72% | -53.61% | -71.34% | -56.83% | -10.02% | -49.11% |
IGM iShares Expanded Tech Sector ETF | 21.80% | 26.76% | 36.99% | 60.68% | -35.83% | 25.72% | 45.11% | 41.81% | 2.26% | 37.20% |
Correlation
The correlation between REW and IGM is -0.97, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.97 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.97 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.98 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.96 |
Correlation (All Time) Calculated using the full available price history since Feb 2, 2007 | -0.95 |
The correlation between REW and IGM has been stable across timeframes, ranging from -0.98 to -0.95 - a consistent structural relationship.
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Return for Risk
REW vs. IGM — Risk / Return Rank
REW
IGM
REW vs. IGM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Technology (REW) 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.
| REW | IGM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -3.19 | ||
| Sortino ratioReturn per unit of downside risk | -4.74 | ||
| Omega ratioGain probability vs. loss probability | 0.76 | 1.33 | -0.57 |
| Calmar ratioReturn relative to maximum drawdown | -0.94 | 2.70 | -3.64 |
| Martin ratioReturn relative to average drawdown | -1.99 | 8.97 | -10.96 |
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Drawdowns
REW vs. IGM - Drawdown Comparison
The maximum REW drawdown since its inception was -99.99%, which is greater than IGM's maximum drawdown of -65.59%. Use the drawdown chart below to compare losses from any high point for REW and IGM.
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Drawdown Indicators
| REW | IGM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -99.99% | -65.59% | -34.40% |
Max Drawdown (1Y)Largest decline over 1 year | -62.24% | -16.44% | -45.80% |
Max Drawdown (3Y)Largest decline over 3 years | -86.76% | -26.39% | -60.37% |
Max Drawdown (5Y)Largest decline over 5 years | -93.62% | -40.68% | -52.94% |
Max Drawdown (10Y)Largest decline over 10 years | -99.79% | -40.68% | -59.11% |
Current DrawdownCurrent decline from peak | -99.99% | -8.03% | -91.96% |
Average DrawdownAverage peak-to-trough decline | -86.90% | -15.21% | -71.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 30.17% | 4.94% | +25.23% |
Volatility
REW vs. IGM - Volatility Comparison
ProShares UltraShort Technology (REW) has a higher volatility of 24.76% compared to iShares Expanded Tech Sector ETF (IGM) at 11.52%. This indicates that REW's price experiences larger fluctuations and is considered to be riskier than IGM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| REW | IGM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 24.76% | 11.52% | +13.24% |
Volatility (6M)Calculated over the trailing 6-month period | 39.69% | 18.62% | +21.07% |
Volatility (1Y)Calculated over the trailing 1-year period | 47.45% | 22.76% | +24.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 52.55% | 26.07% | +26.48% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 49.29% | 24.71% | +24.58% |
REW vs. IGM - Expense Ratio Comparison
REW has a 0.95% expense ratio, which is higher than IGM's 0.39% expense ratio.
Dividends
REW vs. IGM - Dividend Comparison
REW's dividend yield for the trailing twelve months is around 10.06%, more than IGM's 0.14% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IGM iShares Expanded Tech Sector ETF | 0.14% | 0.17% | 0.22% | 0.33% | 0.66% | 0.16% | 0.32% | 0.50% | 0.57% | 0.57% | 0.90% | 0.79% |
REW ProShares UltraShort Technology | 10.06% | 6.69% | 5.68% | 5.97% | 0.65% | 0.00% | 0.27% | 1.80% | 0.51% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
REW and IGM have a correlation of -0.97, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
REW has higher volatility (24.76%) compared to IGM (11.52%). In terms of maximum drawdown, REW dropped -99.99% vs IGM's -65.59%.
On 10-year performance, IGM leads with 24.77% vs -45.02% for REW. On fees, IGM is cheaper at 0.39% per year. On volatility, IGM has been the lower-risk option at 11.52%. 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 24.77% return vs -45.02%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IGM is cheaper with a 0.39% expense ratio, compared with 0.95% for REW.
REW has the higher dividend yield at 10.06%, compared with 0.14% for IGM.
REW is categorized as Leveraged Equities, while IGM is Technology Equities. REW tracks Dow Jones U.S. Technology Index (-200%), while IGM tracks S&P North American Expanded Technology Sector Index. They also come from different issuers: ProShares and iShares. Their fees differ too: 0.95% for REW and 0.39% for IGM.
IGM currently has the higher Sharpe Ratio (1.95 vs -1.24), 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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