MDST vs. SGYAX

Last updated Jun 4, 2026

MDST (Westwood Salient Enhanced Midstream Income ETF) and SGYAX (SEI Institutional Investments Trust High Yield Bond Fund) are both funds - MDST is a Energy Equities fund actively managed by Westwood, while SGYAX is a High Yield Bonds fund managed by SEI. Over the past year, MDST returned 17.62% vs 6.98% for SGYAX. At a 0.17 correlation, their price movements are largely independent. MDST charges 0.80%/yr vs 0.56%/yr for SGYAX.

Performance

MDST vs. SGYAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Westwood Salient Enhanced Midstream Income ETF (MDST) and SEI Institutional Investments Trust High Yield Bond Fund (SGYAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, MDST achieves a 14.94% return, which is significantly higher than SGYAX's 1.59% return.

MDST

• 1D: 0.14%
• 1M: -0.74%
• YTD: 14.94%
• 6M: 14.77%
• 1Y: 17.62%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SGYAX

• 1D: 0.00%
• 1M: 0.49%
• YTD: 1.59%
• 6M: 2.16%
• 1Y: 6.98%
• 3Y*: 8.64%
• 5Y*: 3.66%
• 10Y*: 5.90%

*Multi-year figures are annualized to reflect compound growth (CAGR)

MDST vs. SGYAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024
MDST Westwood Salient Enhanced Midstream Income ETF	14.94%	7.09%	17.29%
SGYAX SEI Institutional Investments Trust High Yield Bond Fund	1.59%	8.01%	7.64%

Correlation

The correlation between MDST and SGYAX is -0.05, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.05
Correlation (All Time) Calculated using the full available price history since Apr 10, 2024	0.17

The correlation between MDST and SGYAX shifts across timeframes, from -0.05 (1 year) to 0.17 (all time), reflecting how their relationship changes across market environments.

Return for Risk

MDST vs. SGYAX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MDST

MDST Risk / Return Rank: 44
MDST Sharpe Ratio Rank: 41
MDST Sortino Ratio Rank: 42
MDST Omega Ratio Rank: 41
MDST Calmar Ratio Rank: 53
MDST Martin Ratio Rank: 45

SGYAX

SGYAX Risk / Return Rank: 63
SGYAX Sharpe Ratio Rank: 50
SGYAX Sortino Ratio Rank: 83
SGYAX Omega Ratio Rank: 79
SGYAX Calmar Ratio Rank: 46
SGYAX Martin Ratio Rank: 55

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MDST vs. SGYAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Westwood Salient Enhanced Midstream Income ETF (MDST) and SEI Institutional Investments Trust High Yield Bond Fund (SGYAX). 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.

	MDST	SGYAX	Difference
Sharpe ratio: Return per unit of total volatility	1.47	2.09	-0.62
Sortino ratio: Return per unit of downside risk	2.13	3.94	-1.81
Omega ratio: Gain probability vs. loss probability	1.27	1.52	-0.25
Calmar ratio: Return relative to maximum drawdown	2.63	2.58	+0.04
Martin ratio: Return relative to average drawdown	7.46	11.04	-3.58
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MDST vs. SGYAX - Sharpe Ratio Comparison

The current MDST Sharpe Ratio is 1.47, which is comparable to the SGYAX Sharpe Ratio of 2.09. The chart below compares the historical Sharpe Ratios of MDST and SGYAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	MDST	SGYAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.47	2.09	-0.62
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.77	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	1.12	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.16	0.63	+0.54

Drawdowns

MDST vs. SGYAX - Drawdown Comparison

The maximum MDST drawdown since its inception was -14.19%, smaller than the maximum SGYAX drawdown of -45.51%. Use the drawdown chart below to compare losses from any high point for MDST and SGYAX.

Drawdown Indicators

	MDST	SGYAX	Difference
Max Drawdown Largest peak-to-trough decline	-14.19%	-45.51%	+31.32%
Max Drawdown (1Y) Largest decline over 1 year	-6.74%	-2.77%	-3.97%
Max Drawdown (3Y) Largest decline over 3 years	—	-4.18%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-15.45%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-21.85%	—
Current Drawdown Current decline from peak	-3.53%	0.00%	-3.53%
Average Drawdown Average peak-to-trough decline	-2.17%	-6.05%	+3.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.37%	0.65%	+1.72%

Volatility

MDST vs. SGYAX - Volatility Comparison

Westwood Salient Enhanced Midstream Income ETF (MDST) has a higher volatility of 4.87% compared to SEI Institutional Investments Trust High Yield Bond Fund (SGYAX) at 1.05%. This indicates that MDST's price experiences larger fluctuations and is considered to be riskier than SGYAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MDST	SGYAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.87%	1.05%	+3.82%
Volatility (6M) Calculated over the trailing 6-month period	8.36%	2.67%	+5.69%
Volatility (1Y) Calculated over the trailing 1-year period	12.12%	3.43%	+8.69%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.11%	4.79%	+11.32%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.11%	5.31%	+10.80%

MDST vs. SGYAX - Expense Ratio Comparison

MDST has a 0.80% expense ratio, which is higher than SGYAX's 0.56% expense ratio.

Dividends

MDST vs. SGYAX - Dividend Comparison

MDST's dividend yield for the trailing twelve months is around 9.33%, more than SGYAX's 8.74% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MDST Westwood Salient Enhanced Midstream Income ETF	9.33%	10.22%	6.60%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SGYAX SEI Institutional Investments Trust High Yield Bond Fund	8.74%	8.88%	8.68%	10.08%	8.79%	5.37%	7.30%	7.15%	7.31%	7.27%	7.30%	7.88%

Frequently Asked Questions

Can I hold both MDST and SGYAX in my portfolio?

MDST and SGYAX have a correlation of -0.05, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, MDST or SGYAX?

MDST has higher volatility (4.87%) compared to SGYAX (1.05%). In terms of maximum drawdown, MDST dropped -14.19% vs SGYAX's -45.51%.

Which has better risk-adjusted returns?

SGYAX currently has the higher Sharpe Ratio (2.09 vs 1.47), 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.