SARK vs. IWO
SARK (Tradr Short Innovation Daily ETF) and IWO (iShares Russell 2000 Growth ETF) are both exchange-traded funds - SARK is a Inverse Equities fund actively managed by AXS, while IWO is a Small Cap Growth Equities fund tracking the Russell 2000 Growth Index. SARK is actively managed, while IWO is passively managed. Over the past 3 years, SARK returned -30.30%/yr vs 19.15%/yr for IWO. At a correlation of -0.83, they often move in opposite directions. SARK charges 0.75%/yr vs 0.24%/yr for IWO.
Performance
SARK vs. IWO - Performance Comparison
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Returns By Period
In the year-to-date period, SARK achieves a -6.20% return, which is significantly lower than IWO's 20.20% return.
SARK
- 1D
- 2.03%
- 1M
- -1.78%
- YTD
- -6.20%
- 6M
- -1.73%
- 1Y
- -19.94%
- 3Y*
- -30.30%
- 5Y*
- —
- 10Y*
- —
IWO
- 1D
- -1.57%
- 1M
- 4.24%
- YTD
- 20.20%
- 6M
- 16.81%
- 1Y
- 39.68%
- 3Y*
- 19.15%
- 5Y*
- 5.15%
- 10Y*
- 12.01%
SARK vs. IWO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SARK Tradr Short Innovation Daily ETF | -6.20% | -25.93% | -36.90% | -46.32% | 83.35% | 24.05% |
IWO iShares Russell 2000 Growth ETF | 20.20% | 12.90% | 15.04% | 18.51% | -26.27% | -10.39% |
Correlation
The correlation between SARK and IWO is -0.81, 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 | -0.81 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.81 |
Correlation (All Time) Calculated using the full available price history since Nov 9, 2021 | -0.83 |
The correlation between SARK and IWO has been stable across timeframes, ranging from -0.83 to -0.81 - a consistent structural relationship.
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Return for Risk
SARK vs. IWO — Risk / Return Rank
SARK
IWO
SARK vs. IWO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Tradr Short Innovation Daily ETF (SARK) and iShares Russell 2000 Growth ETF (IWO). 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.
| SARK | IWO | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.36 | ||
| Sortino ratioReturn per unit of downside risk | -3.07 | ||
| Omega ratioGain probability vs. loss probability | 0.93 | 1.29 | -0.36 |
| Calmar ratioReturn relative to maximum drawdown | -0.75 | 2.68 | -3.43 |
| Martin ratioReturn relative to average drawdown | -1.26 | 9.57 | -10.83 |
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Drawdowns
SARK vs. IWO - Drawdown Comparison
The maximum SARK drawdown since its inception was -81.07%, which is greater than IWO's maximum drawdown of -60.11%. Use the drawdown chart below to compare losses from any high point for SARK and IWO.
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Drawdown Indicators
| SARK | IWO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -81.07% | -60.11% | -20.96% |
Max Drawdown (1Y)Largest decline over 1 year | -26.61% | -14.87% | -11.74% |
Max Drawdown (3Y)Largest decline over 3 years | -74.42% | -28.57% | -45.85% |
Max Drawdown (5Y)Largest decline over 5 years | — | -40.51% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -42.02% | — |
Current DrawdownCurrent decline from peak | -79.29% | -1.57% | -77.72% |
Average DrawdownAverage peak-to-trough decline | -46.79% | -16.68% | -30.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.99% | 4.16% | +11.83% |
Volatility
SARK vs. IWO - Volatility Comparison
Tradr Short Innovation Daily ETF (SARK) has a higher volatility of 12.56% compared to iShares Russell 2000 Growth ETF (IWO) at 7.84%. This indicates that SARK's price experiences larger fluctuations and is considered to be riskier than IWO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SARK | IWO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.56% | 7.84% | +4.72% |
Volatility (6M)Calculated over the trailing 6-month period | 26.66% | 16.69% | +9.97% |
Volatility (1Y)Calculated over the trailing 1-year period | 35.83% | 22.20% | +13.63% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 56.15% | 24.65% | +31.50% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 56.15% | 24.18% | +31.97% |
SARK vs. IWO - Expense Ratio Comparison
SARK has a 0.75% expense ratio, which is higher than IWO's 0.24% expense ratio.
Dividends
SARK vs. IWO - Dividend Comparison
SARK's dividend yield for the trailing twelve months is around 3.00%, more than IWO's 0.42% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IWO iShares Russell 2000 Growth ETF | 0.42% | 0.56% | 0.80% | 0.73% | 0.73% | 0.32% | 0.44% | 0.71% | 0.76% | 0.73% | 0.97% | 0.89% |
SARK Tradr Short Innovation Daily ETF | 3.00% | 2.82% | 15.49% | 12.57% | 25.22% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
SARK and IWO have a correlation of -0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SARK has higher volatility (12.56%) compared to IWO (7.84%). In terms of maximum drawdown, SARK dropped -81.07% vs IWO's -60.11%.
On 3-year performance, IWO leads with 19.15% vs -30.30% for SARK. On fees, IWO is cheaper at 0.24% per year. On volatility, IWO has been the lower-risk option at 7.84%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, IWO has performed better with a 19.15% return vs -30.30%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IWO is cheaper with a 0.24% expense ratio, compared with 0.75% for SARK.
SARK has the higher dividend yield at 3.00%, compared with 0.42% for IWO.
SARK is categorized as Inverse Equities, while IWO is Small Cap Growth Equities. They also come from different issuers: AXS and iShares. Their fees differ too: 0.75% for SARK and 0.24% for IWO.
IWO currently has the higher Sharpe Ratio (1.80 vs -0.56), 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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