RAVI vs. OIH
RAVI (FlexShares Ultra-Short Income ETF) and OIH (VanEck Oil Services ETF) are both exchange-traded funds - RAVI is a Ultrashort Bond fund actively managed by FlexShares, while OIH is a Energy Equities fund tracking the MVIS US Listed Oil Services 25 Index. RAVI is actively managed, while OIH is passively managed. Over the past 10 years, RAVI returned 2.67%/yr vs -2.21%/yr for OIH. At a correlation of -0.03, they often move in opposite directions. RAVI charges 0.25%/yr vs 0.35%/yr for OIH.
Performance
RAVI vs. OIH - Performance Comparison
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Returns By Period
In the year-to-date period, RAVI achieves a 1.64% return, which is significantly lower than OIH's 36.57% return. Over the past 10 years, RAVI has outperformed OIH with an annualized return of 2.67%, while OIH has yielded a comparatively lower -2.21% annualized return.
RAVI
- 1D
- -0.01%
- 1M
- 0.25%
- YTD
- 1.64%
- 6M
- 1.77%
- 1Y
- 4.35%
- 3Y*
- 5.16%
- 5Y*
- 3.53%
- 10Y*
- 2.67%
OIH
- 1D
- 0.89%
- 1M
- -12.40%
- YTD
- 36.57%
- 6M
- 36.72%
- 1Y
- 62.91%
- 3Y*
- 15.27%
- 5Y*
- 12.92%
- 10Y*
- -2.21%
RAVI vs. OIH - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
RAVI FlexShares Ultra-Short Income ETF | 1.64% | 4.98% | 5.67% | 5.55% | 0.15% | -0.04% | 2.06% | 3.49% | 1.65% | 1.22% |
OIH VanEck Oil Services ETF | 36.57% | 6.81% | -10.53% | 3.20% | 66.17% | 21.22% | -41.19% | -3.54% | -45.03% | -19.66% |
Correlation
The correlation between RAVI and OIH is -0.14, 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 | -0.14 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.03 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.01 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.02 |
Correlation (All Time) Calculated using the full available price history since Jan 4, 2016 | -0.03 |
The correlation between RAVI and OIH shifts across timeframes, from -0.14 (1 year) to 0.01 (5 years), reflecting how their relationship changes across market environments.
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Return for Risk
RAVI vs. OIH — Risk / Return Rank
RAVI
OIH
RAVI vs. OIH - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FlexShares Ultra-Short Income ETF (RAVI) and VanEck Oil Services ETF (OIH). 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.
| RAVI | OIH | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +8.64 | ||
| Sortino ratioReturn per unit of downside risk | +20.67 | ||
| Omega ratioGain probability vs. loss probability | 5.22 | 1.33 | +3.88 |
| Calmar ratioReturn relative to maximum drawdown | 37.38 | 4.19 | +33.19 |
| Martin ratioReturn relative to average drawdown | 214.13 | 15.08 | +199.04 |
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Drawdowns
RAVI vs. OIH - Drawdown Comparison
The maximum RAVI drawdown since its inception was -3.72%, smaller than the maximum OIH drawdown of -94.45%. Use the drawdown chart below to compare losses from any high point for RAVI and OIH.
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Drawdown Indicators
| RAVI | OIH | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -3.72% | -94.45% | +90.73% |
Max Drawdown (1Y)Largest decline over 1 year | -0.12% | -15.08% | +14.96% |
Max Drawdown (3Y)Largest decline over 3 years | -0.36% | -43.80% | +43.44% |
Max Drawdown (5Y)Largest decline over 5 years | -3.28% | -43.80% | +40.52% |
Max Drawdown (10Y)Largest decline over 10 years | -3.72% | -89.62% | +85.90% |
Current DrawdownCurrent decline from peak | -0.03% | -65.37% | +65.34% |
Average DrawdownAverage peak-to-trough decline | -0.17% | -48.86% | +48.69% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.02% | 4.26% | -4.24% |
Volatility
RAVI vs. OIH - Volatility Comparison
The current volatility for FlexShares Ultra-Short Income ETF (RAVI) is 0.13%, while VanEck Oil Services ETF (OIH) has a volatility of 10.15%. This indicates that RAVI experiences smaller price fluctuations and is considered to be less risky than OIH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RAVI | OIH | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.13% | 10.15% | -10.02% |
Volatility (6M)Calculated over the trailing 6-month period | 0.31% | 21.17% | -20.86% |
Volatility (1Y)Calculated over the trailing 1-year period | 0.41% | 30.42% | -30.01% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 1.41% | 36.79% | -35.38% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 1.28% | 42.42% | -41.14% |
RAVI vs. OIH - Expense Ratio Comparison
RAVI has a 0.25% expense ratio, which is lower than OIH's 0.35% expense ratio.
Dividends
RAVI vs. OIH - Dividend Comparison
RAVI's dividend yield for the trailing twelve months is around 4.38%, more than OIH's 1.25% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
OIH VanEck Oil Services ETF | 1.25% | 1.71% | 2.01% | 1.36% | 0.95% | 0.98% | 1.23% | 2.10% | 2.13% | 2.60% | 1.40% | 2.39% |
RAVI FlexShares Ultra-Short Income ETF | 4.38% | 4.59% | 5.34% | 4.55% | 1.70% | 0.90% | 1.29% | 2.53% | 2.22% | 1.28% | 0.90% | 0.00% |
Frequently Asked Questions
RAVI and OIH have a correlation of -0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
OIH has higher volatility (10.15%) compared to RAVI (0.13%). In terms of maximum drawdown, RAVI dropped -3.72% vs OIH's -94.45%.
On 10-year performance, RAVI leads with 2.67% vs -2.21% for OIH. On fees, RAVI is cheaper at 0.25% per year. On volatility, RAVI has been the lower-risk option at 0.13%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, RAVI has performed better with a 2.67% return vs -2.21%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
RAVI is cheaper with a 0.25% expense ratio, compared with 0.35% for OIH.
RAVI has the higher dividend yield at 4.38%, compared with 1.25% for OIH.
RAVI is categorized as Ultrashort Bond, while OIH is Energy Equities. They also come from different issuers: FlexShares and VanEck. Their fees differ too: 0.25% for RAVI and 0.35% for OIH.
RAVI currently has the higher Sharpe Ratio (10.72 vs 2.08), 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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