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 -28.52%/yr vs 17.15%/yr for IWO. Their -0.83 correlation means they have often moved in opposite directions in the past. 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 -7.36% return, which is significantly lower than IWO's 20.41% return.
SARK
- 1D
- -4.39%
- 1M
- 4.63%
- 6M
- -11.06%
- YTD
- -7.36%
- 1Y
- -14.81%
- 3Y*
- -28.52%
- 5Y*
- —
- 10Y*
- —
- ALL TIME*
- -12.60%
IWO
- 1D
- 2.68%
- 1M
- 0.41%
- 6M
- 14.89%
- YTD
- 20.41%
- 1Y
- 33.81%
- 3Y*
- 17.15%
- 5Y*
- 5.77%
- 10Y*
- 10.96%
- ALL TIME*
- 7.07%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $179.14M | $160.12M | $166.50M | |
| $5.02M | $4.74M | $6.36M |
SARK vs. IWO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
SARK Tradr Short Innovation Daily ETF | -7.36% | -25.93% | -36.90% | -46.32% | 83.35% | 24.05% |
IWO iShares Russell 2000 Growth ETF | 20.41% | 12.90% | 15.04% | 18.51% | -26.27% | -10.39% |
Correlation
The correlation between SARK and IWO is -0.81, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | -0.81 |
Correlation (3Y) Balances recent behavior with more history. | -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 | -1.93 | ||
| Sortino ratioReturn per unit of downside risk | -2.51 | ||
| Omega ratioGain probability vs. loss probability | 0.96 | 1.25 | -0.29 |
| Calmar ratioReturn relative to maximum drawdown | -0.56 | 2.28 | -2.85 |
| Martin ratioReturn relative to average drawdown | -1.00 | 7.84 | -8.84 |
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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 | -26.34% | -14.87% | -11.47% |
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 | -79.55% | -1.42% | -78.13% |
Average DrawdownAverage peak-to-trough decline | -47.59% | -16.62% | -30.97% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 14.77% | 4.33% | +10.44% |
Volatility
SARK vs. IWO - Volatility Comparison
Tradr Short Innovation Daily ETF (SARK) has a higher volatility of 11.78% compared to iShares Russell 2000 Growth ETF (IWO) at 6.69%. 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 | 11.78% | 6.69% | +5.09% |
Volatility (6M)Calculated over the trailing 6-month period | 28.06% | 17.25% | +10.81% |
Volatility (1Y)Calculated over the trailing 1-year period | 36.50% | 22.51% | +13.99% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 55.76% | 24.67% | +31.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 55.76% | 24.20% | +31.56% |
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 3.04%, 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 | 3.04% | 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 (11.78%) compared to IWO (6.69%). In terms of maximum drawdown, SARK dropped -81.07% vs IWO's -60.11%.
On 3-year performance, IWO leads with 17.15% vs -28.52% for SARK. On fees, IWO is cheaper at 0.24% per year. On volatility, IWO has been the lower-risk option at 6.69%. 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 17.15% return vs -28.52%. 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 3.04%, 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 (1.52 vs -0.41), 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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