VBK vs. ARM
VBK (Vanguard Small-Cap Growth ETF) is Small Cap Growth Equities fund tracking the CRSP US Small Cap Growth Index, while ARM (Arm Holdings plc American Depositary Shares) is a stock. Over the past year, VBK returned 34.10% vs 204.35% for ARM. A 0.57 correlation means they provide meaningful diversification when combined.
Performance
VBK vs. ARM - Performance Comparison
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Returns By Period
In the year-to-date period, VBK achieves a 18.24% return, which is significantly lower than ARM's 277.41% return.
VBK
- 1D
- 1.71%
- 1M
- 5.71%
- YTD
- 18.24%
- 6M
- 17.85%
- 1Y
- 34.10%
- 3Y*
- 16.97%
- 5Y*
- 5.40%
- 10Y*
- 12.03%
ARM
- 1D
- 8.33%
- 1M
- 97.24%
- YTD
- 277.41%
- 6M
- 231.71%
- 1Y
- 204.35%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
VBK vs. ARM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | |
|---|---|---|---|---|
VBK Vanguard Small-Cap Growth ETF | 18.24% | 8.50% | 16.50% | 8.76% |
ARM Arm Holdings plc American Depositary Shares | 277.41% | -11.39% | 64.16% | 33.95% |
Correlation
The correlation between VBK and ARM is 0.52, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.52 |
Correlation (All Time) Calculated using the full available price history since Sep 14, 2023 | 0.57 |
The correlation between VBK and ARM has been stable across timeframes, ranging from 0.52 to 0.57 - a consistent structural relationship.
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Return for Risk
VBK vs. ARM — Risk / Return Rank
VBK
ARM
VBK vs. ARM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Vanguard Small-Cap Growth ETF (VBK) and Arm Holdings plc American Depositary Shares (ARM). 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.
| VBK | ARM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.25 | ||
| Sortino ratioReturn per unit of downside risk | -1.08 | ||
| Omega ratioGain probability vs. loss probability | 1.29 | 1.44 | -0.15 |
| Calmar ratioReturn relative to maximum drawdown | 2.99 | 4.96 | -1.97 |
| Martin ratioReturn relative to average drawdown | 11.23 | 9.74 | +1.49 |
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Drawdowns
VBK vs. ARM - Drawdown Comparison
The maximum VBK drawdown since its inception was -58.68%, which is greater than ARM's maximum drawdown of -53.97%. Use the drawdown chart below to compare losses from any high point for VBK and ARM.
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Drawdown Indicators
| VBK | ARM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -58.68% | -53.97% | -4.71% |
Max Drawdown (1Y)Largest decline over 1 year | -11.44% | -41.47% | +30.03% |
Max Drawdown (3Y)Largest decline over 3 years | -27.54% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -38.39% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -38.70% | — | — |
Current DrawdownCurrent decline from peak | -0.36% | 0.00% | -0.36% |
Average DrawdownAverage peak-to-trough decline | -10.14% | -21.30% | +11.16% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.04% | 21.07% | -18.03% |
Volatility
VBK vs. ARM - Volatility Comparison
The current volatility for Vanguard Small-Cap Growth ETF (VBK) is 7.47%, while Arm Holdings plc American Depositary Shares (ARM) has a volatility of 37.61%. This indicates that VBK experiences smaller price fluctuations and is considered to be less risky than ARM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| VBK | ARM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.47% | 37.61% | -30.14% |
Volatility (6M)Calculated over the trailing 6-month period | 15.66% | 58.29% | -42.63% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.99% | 69.43% | -49.44% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.60% | 76.67% | -53.07% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.93% | 76.67% | -53.74% |
Dividends
VBK vs. ARM - Dividend Comparison
VBK's dividend yield for the trailing twelve months is around 0.44%, while ARM has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ARM Arm Holdings plc American Depositary Shares | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
VBK Vanguard Small-Cap Growth ETF | 0.44% | 0.54% | 0.54% | 0.68% | 0.55% | 0.36% | 0.44% | 0.57% | 0.79% | 0.82% | 1.08% | 0.98% |
Frequently Asked Questions
VBK and ARM have a correlation of 0.52, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ARM has higher volatility (37.61%) compared to VBK (7.47%). In terms of maximum drawdown, VBK dropped -58.68% vs ARM's -53.97%.
ARM currently has the higher Sharpe Ratio (2.97 vs 1.72), 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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