RDTE vs. IWM
RDTE (Roundhill Russell 2000 0DTE Covered Call Strategy ETF) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - RDTE is a Derivative Income fund actively managed by Roundhill, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. RDTE is actively managed, while IWM is passively managed. Over the past year, RDTE returned 30.49% vs 40.90% for IWM. With a 0.96 correlation, they move nearly in lockstep. RDTE charges 0.97%/yr vs 0.19%/yr for IWM.
Performance
RDTE vs. IWM - Performance Comparison
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Returns By Period
In the year-to-date period, RDTE achieves a 16.99% return, which is significantly lower than IWM's 20.47% return.
RDTE
- 1D
- -0.88%
- 1M
- 5.32%
- YTD
- 16.99%
- 6M
- 14.85%
- 1Y
- 30.49%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
IWM
- 1D
- -0.96%
- 1M
- 3.82%
- YTD
- 20.47%
- 6M
- 17.64%
- 1Y
- 40.90%
- 3Y*
- 19.22%
- 5Y*
- 6.27%
- 10Y*
- 11.58%
RDTE vs. IWM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
RDTE Roundhill Russell 2000 0DTE Covered Call Strategy ETF | 16.99% | 9.46% | 8.32% |
IWM iShares Russell 2000 ETF | 20.47% | 12.66% | 6.66% |
Correlation
The correlation between RDTE and IWM is 0.94, 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 | 0.94 |
Correlation (All Time) Calculated using the full available price history since Sep 10, 2024 | 0.96 |
The correlation between RDTE and IWM has been stable across timeframes, ranging from 0.94 to 0.96 - a consistent structural relationship.
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Return for Risk
RDTE vs. IWM — Risk / Return Rank
RDTE
IWM
RDTE vs. IWM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Roundhill Russell 2000 0DTE Covered Call Strategy ETF (RDTE) and iShares Russell 2000 ETF (IWM). 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.
| RDTE | IWM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.31 | ||
| Sortino ratioReturn per unit of downside risk | -0.44 | ||
| Omega ratioGain probability vs. loss probability | 1.30 | 1.34 | -0.04 |
| Calmar ratioReturn relative to maximum drawdown | 3.34 | 3.73 | -0.38 |
| Martin ratioReturn relative to average drawdown | 11.57 | 13.18 | -1.61 |
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Drawdowns
RDTE vs. IWM - Drawdown Comparison
The maximum RDTE drawdown since its inception was -24.32%, smaller than the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for RDTE and IWM.
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Drawdown Indicators
| RDTE | IWM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.32% | -59.05% | +34.73% |
Max Drawdown (1Y)Largest decline over 1 year | -9.17% | -11.03% | +1.86% |
Max Drawdown (3Y)Largest decline over 3 years | — | -27.50% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -31.91% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -41.13% | — |
Current DrawdownCurrent decline from peak | -0.88% | -0.96% | +0.08% |
Average DrawdownAverage peak-to-trough decline | -4.55% | -10.75% | +6.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.64% | 3.11% | -0.47% |
Volatility
RDTE vs. IWM - Volatility Comparison
The current volatility for Roundhill Russell 2000 0DTE Covered Call Strategy ETF (RDTE) is 6.08%, while iShares Russell 2000 ETF (IWM) has a volatility of 6.56%. This indicates that RDTE experiences smaller price fluctuations and is considered to be less risky than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| RDTE | IWM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.08% | 6.56% | -0.48% |
Volatility (6M)Calculated over the trailing 6-month period | 13.07% | 14.31% | -1.24% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.25% | 19.74% | -2.49% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 19.30% | 22.61% | -3.31% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.30% | 23.06% | -3.76% |
RDTE vs. IWM - Expense Ratio Comparison
RDTE has a 0.97% expense ratio, which is higher than IWM's 0.19% expense ratio.
Dividends
RDTE vs. IWM - Dividend Comparison
RDTE's dividend yield for the trailing twelve months is around 44.14%, more than IWM's 0.90% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IWM iShares Russell 2000 ETF | 0.90% | 1.04% | 1.15% | 1.35% | 1.48% | 0.94% | 1.04% | 1.26% | 1.40% | 1.26% | 1.38% | 1.54% |
RDTE Roundhill Russell 2000 0DTE Covered Call Strategy ETF | 44.14% | 50.16% | 10.70% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
With a correlation of 0.94, RDTE and IWM move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.
IWM has higher volatility (6.56%) compared to RDTE (6.08%). In terms of maximum drawdown, RDTE dropped -24.32% vs IWM's -59.05%.
On 1-year performance, IWM leads with 40.90% vs 30.49% for RDTE. On fees, IWM is cheaper at 0.19% per year. On volatility, RDTE has been the lower-risk option at 6.08%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, IWM has performed better with a 40.90% return vs 30.49%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IWM is cheaper with a 0.19% expense ratio, compared with 0.97% for RDTE.
RDTE has the higher dividend yield at 44.14%, compared with 0.90% for IWM.
RDTE is categorized as Derivative Income, while IWM is Small Cap Blend Equities. They also come from different issuers: Roundhill and iShares. Their fees differ too: 0.97% for RDTE and 0.19% for IWM.
IWM currently has the higher Sharpe Ratio (2.08 vs 1.78), 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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