THOPX vs. CSDAX
THOPX (Thompson Bond Fund) and CSDAX (Calvert Short Duration Income Fund) are both Short-Term Bond funds. Over the past 10 years, THOPX returned 3.83%/yr vs 2.60%/yr for CSDAX. Their 0.55 correlation means they have sometimes moved together and sometimes differently. THOPX charges 0.71%/yr vs 0.76%/yr for CSDAX.
Performance
THOPX vs. CSDAX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, THOPX achieves a 1.33% return, which is significantly higher than CSDAX's 0.59% return. Over the past 10 years, THOPX has outperformed CSDAX with an annualized return of 3.83%, while CSDAX has yielded a comparatively lower 2.60% annualized return.
THOPX
- 1D
- 0.00%
- 1M
- 0.00%
- 6M
- 0.76%
- YTD
- 1.33%
- 1Y
- 4.34%
- 3Y*
- 8.44%
- 5Y*
- 3.92%
- 10Y*
- 3.83%
- ALL TIME*
- 4.35%
CSDAX
- 1D
- 0.06%
- 1M
- -0.38%
- 6M
- 0.16%
- YTD
- 0.59%
- 1Y
- 2.77%
- 3Y*
- 4.95%
- 5Y*
- 2.40%
- 10Y*
- 2.60%
- ALL TIME*
- 3.37%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $0.00 | $0.00 | $0.00 | |
THOPX Thompson Bond Fund | $0.00 | $0.00 | $0.00 |
THOPX vs. CSDAX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
THOPX Thompson Bond Fund | 1.33% | 7.98% | 11.54% | 6.98% | -7.28% | 5.75% | -1.71% | 5.56% | 1.80% | 4.75% |
CSDAX Calvert Short Duration Income Fund | 0.59% | 6.22% | 5.00% | 6.58% | -5.36% | 0.88% | 4.52% | 6.21% | 0.05% | 2.17% |
Correlation
The correlation between THOPX and CSDAX is 0.67, which is moderate. They have sometimes moved together and sometimes differently, sharing some price drivers without tracking each other closely.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.67 |
Correlation (3Y) Balances recent behavior with more history. | 0.64 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.67 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.56 |
Correlation (All Time) Calculated using the full available price history since Jan 31, 2002 | 0.55 |
The correlation between THOPX and CSDAX shifts across timeframes, from 0.55 (all time) to 0.67 (1 year), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
THOPX vs. CSDAX — Risk / Return Rank
THOPX
CSDAX
THOPX vs. CSDAX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Thompson Bond Fund (THOPX) and Calvert Short Duration Income Fund (CSDAX). 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.
| THOPX | CSDAX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.65 | ||
| Sortino ratioReturn per unit of downside risk | +0.51 | ||
| Omega ratioGain probability vs. loss probability | 1.51 | 1.38 | +0.13 |
| Calmar ratioReturn relative to maximum drawdown | 3.21 | 2.40 | +0.81 |
| Martin ratioReturn relative to average drawdown | 12.38 | 8.69 | +3.69 |
Loading charts...
Drawdowns
THOPX vs. CSDAX - Drawdown Comparison
The maximum THOPX drawdown since its inception was -19.45%, which is greater than CSDAX's maximum drawdown of -9.96%. Use the drawdown chart below to compare losses from any high point for THOPX and CSDAX.
Loading charts...
Drawdown Indicators
| THOPX | CSDAX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -19.45% | -9.96% | -9.49% |
Max Drawdown (1Y)Largest decline over 1 year | -1.48% | -1.51% | +0.03% |
Max Drawdown (3Y)Largest decline over 3 years | -1.61% | -1.51% | -0.10% |
Max Drawdown (5Y)Largest decline over 5 years | -8.00% | -8.14% | +0.14% |
Max Drawdown (10Y)Largest decline over 10 years | -11.74% | -9.96% | -1.78% |
Current DrawdownCurrent decline from peak | -0.19% | -0.38% | +0.19% |
Average DrawdownAverage peak-to-trough decline | -1.85% | -0.71% | -1.14% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.38% | 0.42% | -0.04% |
Volatility
THOPX vs. CSDAX - Volatility Comparison
Thompson Bond Fund (THOPX) has a higher volatility of 0.54% compared to Calvert Short Duration Income Fund (CSDAX) at 0.44%. This indicates that THOPX's price experiences larger fluctuations and is considered to be riskier than CSDAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| THOPX | CSDAX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.54% | 0.44% | +0.10% |
Volatility (6M)Calculated over the trailing 6-month period | 1.58% | 1.61% | -0.03% |
Volatility (1Y)Calculated over the trailing 1-year period | 1.95% | 2.03% | -0.08% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 2.18% | 2.41% | -0.23% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 2.20% | 2.32% | -0.12% |
THOPX vs. CSDAX - Expense Ratio Comparison
THOPX has a 0.71% expense ratio, which is lower than CSDAX's 0.76% expense ratio.
Dividends
THOPX vs. CSDAX - Dividend Comparison
THOPX's dividend yield for the trailing twelve months is around 5.16%, more than CSDAX's 3.98% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CSDAX Calvert Short Duration Income Fund | 3.98% | 4.42% | 4.28% | 3.24% | 1.95% | 2.25% | 2.58% | 2.79% | 2.67% | 1.84% | 2.07% | 1.84% |
THOPX Thompson Bond Fund | 5.16% | 4.90% | 5.34% | 5.88% | 3.93% | 3.59% | 5.16% | 3.48% | 3.07% | 3.06% | 4.24% | 4.58% |
Frequently Asked Questions
THOPX and CSDAX have a correlation of 0.67, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
THOPX has higher volatility (0.54%) compared to CSDAX (0.44%). In terms of maximum drawdown, THOPX dropped -19.45% vs CSDAX's -9.96%.
THOPX currently has the higher Sharpe Ratio (2.44 vs 1.79), 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.
Find the right allocation for THOPX and CSDAX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer