GWETX vs. SWSSX
GWETX (AMG GW&K Small Cap Core Fund) and SWSSX (Schwab Small-Cap Index Fund-Select Shares) are both Small Cap Blend Equities funds. Over the past 10 years, GWETX returned 9.56%/yr vs 10.73%/yr for SWSSX. Their correlation of 0.93 means they have usually moved in the same direction. GWETX charges 1.30%/yr vs 0.04%/yr for SWSSX.
Performance
GWETX vs. SWSSX - Performance Comparison
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Returns By Period
In the year-to-date period, GWETX achieves a 13.54% return, which is significantly lower than SWSSX's 19.46% return. Over the past 10 years, GWETX has underperformed SWSSX with an annualized return of 9.56%, while SWSSX has yielded a comparatively higher 10.73% annualized return.
GWETX
- 1D
- 1.31%
- 1M
- -1.81%
- 6M
- 9.37%
- YTD
- 13.54%
- 1Y
- 16.27%
- 3Y*
- 8.81%
- 5Y*
- 3.56%
- 10Y*
- 9.56%
- ALL TIME*
- 6.87%
SWSSX
- 1D
- 1.36%
- 1M
- -1.63%
- 6M
- 13.40%
- YTD
- 19.46%
- 1Y
- 37.67%
- 3Y*
- 15.35%
- 5Y*
- 7.26%
- 10Y*
- 10.73%
- ALL TIME*
- 8.56%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
| $0.00 | $0.00 | $0.00 |
GWETX vs. SWSSX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
GWETX AMG GW&K Small Cap Core Fund | 13.54% | -0.62% | 13.60% | 8.03% | -16.60% | 21.09% | 17.72% | 38.10% | -14.03% | 20.32% |
SWSSX Schwab Small-Cap Index Fund-Select Shares | 19.46% | 12.88% | 11.57% | 17.07% | -20.43% | 14.77% | 20.12% | 25.63% | -11.19% | 14.76% |
Correlation
The correlation between GWETX and SWSSX is 0.93, meaning they have usually moved in the same direction, including during past declines.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.93 |
Correlation (3Y) Balances recent behavior with more history. | 0.94 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.96 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.95 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 1998 | 0.93 |
The correlation between GWETX and SWSSX has been stable across timeframes, ranging from 0.93 to 0.96 - a consistent structural relationship.
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Return for Risk
GWETX vs. SWSSX — Risk / Return Rank
GWETX
SWSSX
GWETX vs. SWSSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for AMG GW&K Small Cap Core Fund (GWETX) and Schwab Small-Cap Index Fund-Select Shares (SWSSX). 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.
| GWETX | SWSSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.01 | ||
| Sortino ratioReturn per unit of downside risk | -1.40 | ||
| Omega ratioGain probability vs. loss probability | 1.15 | 1.29 | -0.15 |
| Calmar ratioReturn relative to maximum drawdown | 1.08 | 3.07 | -1.99 |
| Martin ratioReturn relative to average drawdown | 3.00 | 10.90 | -7.90 |
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Drawdowns
GWETX vs. SWSSX - Drawdown Comparison
The maximum GWETX drawdown since its inception was -67.27%, which is greater than SWSSX's maximum drawdown of -60.34%. Use the drawdown chart below to compare losses from any high point for GWETX and SWSSX.
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Drawdown Indicators
| GWETX | SWSSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -67.27% | -60.34% | -6.93% |
Max Drawdown (1Y)Largest decline over 1 year | -13.26% | -11.00% | -2.26% |
Max Drawdown (3Y)Largest decline over 3 years | -24.48% | -27.50% | +3.02% |
Max Drawdown (5Y)Largest decline over 5 years | -30.50% | -31.93% | +1.43% |
Max Drawdown (10Y)Largest decline over 10 years | -41.37% | -41.81% | +0.44% |
Current DrawdownCurrent decline from peak | -3.97% | -2.54% | -1.43% |
Average DrawdownAverage peak-to-trough decline | -19.21% | -10.67% | -8.54% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.75% | 3.10% | +1.65% |
Volatility
GWETX vs. SWSSX - Volatility Comparison
AMG GW&K Small Cap Core Fund (GWETX) has a higher volatility of 4.25% compared to Schwab Small-Cap Index Fund-Select Shares (SWSSX) at 3.83%. This indicates that GWETX's price experiences larger fluctuations and is considered to be riskier than SWSSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GWETX | SWSSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.25% | 3.83% | +0.42% |
Volatility (6M)Calculated over the trailing 6-month period | 12.99% | 14.14% | -1.15% |
Volatility (1Y)Calculated over the trailing 1-year period | 19.70% | 19.42% | +0.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.34% | 22.56% | -1.22% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 22.20% | 24.07% | -1.87% |
GWETX vs. SWSSX - Expense Ratio Comparison
GWETX has a 1.30% expense ratio, which is higher than SWSSX's 0.04% expense ratio.
Dividends
GWETX vs. SWSSX - Dividend Comparison
GWETX has not paid dividends to shareholders, while SWSSX's dividend yield for the trailing twelve months is around 1.08%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
GWETX AMG GW&K Small Cap Core Fund | 0.00% | 0.00% | 4.04% | 0.70% | 0.75% | 9.16% | 2.43% | 10.50% | 14.38% | 5.46% | 4.24% | 4.10% |
SWSSX Schwab Small-Cap Index Fund-Select Shares | 1.08% | 1.29% | 1.66% | 1.49% | 1.32% | 8.88% | 2.55% | 6.12% | 10.45% | 5.22% | 4.10% | 6.92% |
Frequently Asked Questions
With a correlation of 0.93, GWETX and SWSSX 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.
GWETX has higher volatility (4.25%) compared to SWSSX (3.83%). In terms of maximum drawdown, GWETX dropped -67.27% vs SWSSX's -60.34%.
SWSSX currently has the higher Sharpe Ratio (1.74 vs 0.73), 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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