JSML vs. VOO
Compare and contrast key facts about Janus Henderson Small Cap Growth Alpha ETF (JSML) and Vanguard S&P 500 ETF (VOO).
JSML and VOO are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. JSML is a passively managed fund by Janus Henderson that tracks the performance of the Janus Small Cap Growth Alpha Index. It was launched on Feb 25, 2016. VOO is a passively managed fund by Vanguard that tracks the performance of the S&P 500 Index. It was launched on Sep 7, 2010. Both JSML and VOO are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.
Performance
JSML vs. VOO - Performance Comparison
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JSML vs. VOO - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
JSML Janus Henderson Small Cap Growth Alpha ETF | -3.74% | 13.41% | 12.45% | 30.09% | -29.40% | 3.08% | 35.38% | 32.50% | -2.53% | 20.93% |
VOO Vanguard S&P 500 ETF | -3.66% | 17.82% | 24.98% | 26.32% | -18.17% | 28.79% | 18.32% | 31.37% | -4.50% | 21.77% |
Returns By Period
The year-to-date returns for both investments are quite close, with JSML having a -3.74% return and VOO slightly higher at -3.66%. Over the past 10 years, JSML has underperformed VOO with an annualized return of 11.05%, while VOO has yielded a comparatively higher 14.14% annualized return.
JSML
- 1D
- 1.05%
- 1M
- -7.17%
- YTD
- -3.74%
- 6M
- -4.94%
- 1Y
- 17.18%
- 3Y*
- 13.15%
- 5Y*
- 1.35%
- 10Y*
- 11.05%
VOO
- 1D
- 0.79%
- 1M
- -4.29%
- YTD
- -3.66%
- 6M
- -1.41%
- 1Y
- 18.17%
- 3Y*
- 18.58%
- 5Y*
- 11.93%
- 10Y*
- 14.14%
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JSML vs. VOO - Expense Ratio Comparison
JSML has a 0.30% expense ratio, which is higher than VOO's 0.03% expense ratio.
Return for Risk
JSML vs. VOO — Risk / Return Rank
JSML
VOO
JSML vs. VOO - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Small Cap Growth Alpha ETF (JSML) and Vanguard S&P 500 ETF (VOO). 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.
| JSML | VOO | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.72 | 1.01 | -0.29 |
Sortino ratioReturn per unit of downside risk | 1.16 | 1.53 | -0.37 |
Omega ratioGain probability vs. loss probability | 1.14 | 1.23 | -0.09 |
Calmar ratioReturn relative to maximum drawdown | 1.15 | 1.55 | -0.40 |
Martin ratioReturn relative to average drawdown | 3.90 | 7.31 | -3.41 |
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
| JSML | VOO | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.72 | 1.01 | -0.29 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.06 | 0.71 | -0.66 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.46 | 0.79 | -0.33 |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.48 | 0.83 | -0.36 |
Correlation
The correlation between JSML and VOO is 0.74, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.
Dividends
JSML vs. VOO - Dividend Comparison
JSML's dividend yield for the trailing twelve months is around 0.65%, less than VOO's 1.18% yield.
| TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
JSML Janus Henderson Small Cap Growth Alpha ETF | 0.65% | 0.94% | 1.19% | 0.49% | 0.67% | 0.46% | 0.30% | 0.27% | 0.76% | 0.42% | 0.52% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.18% | 1.13% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% |
Drawdowns
JSML vs. VOO - Drawdown Comparison
The maximum JSML drawdown since its inception was -39.65%, which is greater than VOO's maximum drawdown of -33.99%. Use the drawdown chart below to compare losses from any high point for JSML and VOO.
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Drawdown Indicators
| JSML | VOO | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -39.65% | -33.99% | -5.66% |
Max Drawdown (1Y)Largest decline over 1 year | -14.84% | -11.98% | -2.86% |
Max Drawdown (5Y)Largest decline over 5 years | -37.91% | -24.52% | -13.39% |
Max Drawdown (10Y)Largest decline over 10 years | -39.65% | -33.99% | -5.66% |
Current DrawdownCurrent decline from peak | -10.28% | -5.55% | -4.73% |
Average DrawdownAverage peak-to-trough decline | -11.01% | -3.72% | -7.29% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.37% | 2.55% | +1.82% |
Volatility
JSML vs. VOO - Volatility Comparison
Janus Henderson Small Cap Growth Alpha ETF (JSML) has a higher volatility of 9.03% compared to Vanguard S&P 500 ETF (VOO) at 5.34%. This indicates that JSML's price experiences larger fluctuations and is considered to be riskier than VOO based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| JSML | VOO | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.03% | 5.34% | +3.69% |
Volatility (6M)Calculated over the trailing 6-month period | 16.39% | 9.47% | +6.92% |
Volatility (1Y)Calculated over the trailing 1-year period | 23.93% | 18.11% | +5.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 24.18% | 16.82% | +7.36% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.15% | 17.99% | +6.16% |