FYX vs. RB
FYX (First Trust Small Cap Core AlphaDEX Fund) and RB (ProShares Russell 2000 Dynamic Daily Buffer ETF) are both exchange-traded funds - FYX is a Small Cap Blend Equities fund tracking the Nasdaq AlphaDEX Small Cap Core Index, while RB is a Defined Outcome fund tracking the Russell 2000. Both are passively managed. A 0.77 correlation means they provide meaningful diversification when combined. FYX charges 0.63%/yr vs 0.58%/yr for RB.
Performance
FYX vs. RB - Performance Comparison
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Returns By Period
In the year-to-date period, FYX achieves a 18.13% return, which is significantly higher than RB's 6.76% return.
FYX
- 1D
- -1.34%
- 1M
- 1.06%
- YTD
- 18.13%
- 6M
- 18.02%
- 1Y
- 43.61%
- 3Y*
- 20.01%
- 5Y*
- 8.23%
- 10Y*
- 12.27%
RB
- 1D
- -0.17%
- 1M
- 1.63%
- YTD
- 6.76%
- 6M
- 8.48%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
FYX vs. RB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
FYX First Trust Small Cap Core AlphaDEX Fund | 18.13% | 17.26% |
RB ProShares Russell 2000 Dynamic Daily Buffer ETF | 6.76% | 10.58% |
Correlation
The correlation between FYX and RB is 0.77, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Jun 27, 2025 | 0.77 |
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Return for Risk
FYX vs. RB — Risk / Return Rank
FYX
RB
FYX vs. RB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for First Trust Small Cap Core AlphaDEX Fund (FYX) and ProShares Russell 2000 Dynamic Daily Buffer ETF (RB). 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.
| FYX | RB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | 1.40 | — | — |
| Calmar ratioReturn relative to maximum drawdown | 5.80 | — | — |
| Martin ratioReturn relative to average drawdown | 18.69 | — | — |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| FYX | RB | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 2.41 | — | — |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.38 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.51 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.36 | 3.15 | -2.79 |
Drawdowns
FYX vs. RB - Drawdown Comparison
The maximum FYX drawdown since its inception was -61.80%, which is greater than RB's maximum drawdown of -1.70%. Use the drawdown chart below to compare losses from any high point for FYX and RB.
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Drawdown Indicators
| FYX | RB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -61.80% | -1.70% | -60.10% |
Max Drawdown (1Y)Largest decline over 1 year | -7.56% | — | — |
Max Drawdown (3Y)Largest decline over 3 years | -27.91% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -27.91% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -48.82% | — | — |
Current DrawdownCurrent decline from peak | -1.48% | -0.47% | -1.01% |
Average DrawdownAverage peak-to-trough decline | -10.89% | -0.41% | -10.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.34% | — | — |
Volatility
FYX vs. RB - Volatility Comparison
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Volatility by Period
| FYX | RB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.71% | — | — |
Volatility (6M)Calculated over the trailing 6-month period | 12.03% | — | — |
Volatility (1Y)Calculated over the trailing 1-year period | 18.28% | 6.21% | +12.07% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.96% | 6.21% | +15.75% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.21% | 6.21% | +18.00% |
FYX vs. RB - Expense Ratio Comparison
FYX has a 0.63% expense ratio, which is higher than RB's 0.58% expense ratio.
Dividends
FYX vs. RB - Dividend Comparison
FYX's dividend yield for the trailing twelve months is around 0.69%, less than RB's 2.00% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
FYX First Trust Small Cap Core AlphaDEX Fund | 0.69% | 0.64% | 1.62% | 1.22% | 0.95% | 0.99% | 0.65% | 1.12% | 1.08% | 0.60% | 0.94% | 0.88% |
RB ProShares Russell 2000 Dynamic Daily Buffer ETF | 2.00% | 1.78% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
FYX and RB have a correlation of 0.77, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, RB is cheaper at 0.58% per year. The better choice depends on whether you care most about return, fees, risk, or income.
RB is cheaper with a 0.58% expense ratio, compared with 0.63% for FYX.
RB has the higher dividend yield at 2.00%, compared with 0.69% for FYX.
FYX is categorized as Small Cap Blend Equities, while RB is Defined Outcome. FYX tracks Nasdaq AlphaDEX Small Cap Core Index, while RB tracks Russell 2000. They also come from different issuers: First Trust and ProShares. Their fees differ too: 0.63% for FYX and 0.58% for RB.
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