SIDCX vs. VLTCX
SIDCX (SEI Institutional Investments Trust Intermediate Duration Credit Fund) and VLTCX (Vanguard Long-Term Corporate Bond Index Fund Admiral Shares) are both Corporate Bonds funds. Over the past 10 years, SIDCX returned 2.25%/yr vs 2.43%/yr for VLTCX. Their correlation of 0.91 suggests significant overlap in exposure. SIDCX charges 0.32%/yr vs 0.07%/yr for VLTCX.
Performance
SIDCX vs. VLTCX - Performance Comparison
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Returns By Period
In the year-to-date period, SIDCX achieves a 0.60% return, which is significantly lower than VLTCX's 1.57% return. Over the past 10 years, SIDCX has underperformed VLTCX with an annualized return of 2.25%, while VLTCX has yielded a comparatively higher 2.43% annualized return.
SIDCX
- 1D
- 0.23%
- 1M
- 0.98%
- YTD
- 0.60%
- 6M
- 1.00%
- 1Y
- 5.25%
- 3Y*
- 4.62%
- 5Y*
- -0.21%
- 10Y*
- 2.25%
VLTCX
- 1D
- 0.30%
- 1M
- 1.73%
- YTD
- 1.57%
- 6M
- 1.67%
- 1Y
- 6.86%
- 3Y*
- 4.49%
- 5Y*
- -2.28%
- 10Y*
- 2.43%
SIDCX vs. VLTCX - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
SIDCX SEI Institutional Investments Trust Intermediate Duration Credit Fund | 0.60% | 7.40% | 1.92% | 6.58% | -15.78% | -1.66% | 10.68% | 12.43% | -1.61% | 5.66% |
VLTCX Vanguard Long-Term Corporate Bond Index Fund Admiral Shares | 1.57% | 7.27% | -1.47% | 11.05% | -25.77% | -1.16% | 13.68% | 23.19% | -6.85% | 12.40% |
Correlation
The correlation between SIDCX and VLTCX is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.90 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.92 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.94 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.91 |
Correlation (All Time) Calculated using the full available price history since Apr 1, 2015 | 0.91 |
The correlation between SIDCX and VLTCX has been stable across timeframes, ranging from 0.90 to 0.94 - a consistent structural relationship.
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Return for Risk
SIDCX vs. VLTCX — Risk / Return Rank
SIDCX
VLTCX
SIDCX vs. VLTCX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SEI Institutional Investments Trust Intermediate Duration Credit Fund (SIDCX) and Vanguard Long-Term Corporate Bond Index Fund Admiral Shares (VLTCX). 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.
| SIDCX | VLTCX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.33 | ||
| Sortino ratioReturn per unit of downside risk | +0.51 | ||
| Omega ratioGain probability vs. loss probability | 1.22 | 1.16 | +0.06 |
| Calmar ratioReturn relative to maximum drawdown | 1.71 | 1.30 | +0.40 |
| Martin ratioReturn relative to average drawdown | 5.21 | 3.13 | +2.08 |
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Drawdowns
SIDCX vs. VLTCX - Drawdown Comparison
The maximum SIDCX drawdown since its inception was -21.47%, smaller than the maximum VLTCX drawdown of -34.56%. Use the drawdown chart below to compare losses from any high point for SIDCX and VLTCX.
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Drawdown Indicators
| SIDCX | VLTCX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -21.47% | -34.56% | +13.09% |
Max Drawdown (1Y)Largest decline over 1 year | -3.10% | -5.29% | +2.19% |
Max Drawdown (3Y)Largest decline over 3 years | -6.38% | -12.87% | +6.49% |
Max Drawdown (5Y)Largest decline over 5 years | -21.39% | -34.56% | +13.17% |
Max Drawdown (10Y)Largest decline over 10 years | -21.47% | -34.56% | +13.09% |
Current DrawdownCurrent decline from peak | -2.80% | -13.50% | +10.70% |
Average DrawdownAverage peak-to-trough decline | -5.21% | -8.06% | +2.85% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 1.01% | 2.19% | -1.18% |
Volatility
SIDCX vs. VLTCX - Volatility Comparison
The current volatility for SEI Institutional Investments Trust Intermediate Duration Credit Fund (SIDCX) is 1.33%, while Vanguard Long-Term Corporate Bond Index Fund Admiral Shares (VLTCX) has a volatility of 1.99%. This indicates that SIDCX experiences smaller price fluctuations and is considered to be less risky than VLTCX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SIDCX | VLTCX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 1.33% | 1.99% | -0.66% |
Volatility (6M)Calculated over the trailing 6-month period | 3.24% | 5.54% | -2.30% |
Volatility (1Y)Calculated over the trailing 1-year period | 4.27% | 7.52% | -3.25% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 6.42% | 11.85% | -5.43% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 5.71% | 10.60% | -4.89% |
SIDCX vs. VLTCX - Expense Ratio Comparison
SIDCX has a 0.32% expense ratio, which is higher than VLTCX's 0.07% expense ratio.
Dividends
SIDCX vs. VLTCX - Dividend Comparison
SIDCX's dividend yield for the trailing twelve months is around 4.70%, less than VLTCX's 5.48% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
SIDCX SEI Institutional Investments Trust Intermediate Duration Credit Fund | 4.70% | 4.61% | 4.20% | 2.99% | 2.36% | 3.57% | 4.93% | 3.07% | 3.16% | 2.77% | 2.75% | 1.89% |
VLTCX Vanguard Long-Term Corporate Bond Index Fund Admiral Shares | 5.48% | 5.48% | 5.58% | 4.65% | 4.41% | 3.03% | 3.15% | 3.82% | 4.56% | 4.01% | 4.37% | 4.71% |
Frequently Asked Questions
SIDCX and VLTCX have a correlation of 0.90, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
VLTCX has higher volatility (1.99%) compared to SIDCX (1.33%). In terms of maximum drawdown, SIDCX dropped -21.47% vs VLTCX's -34.56%.
SIDCX currently has the higher Sharpe Ratio (1.24 vs 0.92), 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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