MDST vs. REXC

Last updated Jun 4, 2026

MDST (Westwood Salient Enhanced Midstream Income ETF) and REXC (Sprott Rare Earths Ex-China ETF) are both Energy Equities funds. MDST is actively managed, while REXC is passively managed. At a correlation of -0.24, they often move in opposite directions. MDST charges 0.80%/yr vs 0.65%/yr for REXC.

Performance

MDST vs. REXC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Westwood Salient Enhanced Midstream Income ETF (MDST) and Sprott Rare Earths Ex-China ETF (REXC). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MDST

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

REXC

• 1D: -4.49%
• 1M: 2.64%
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

MDST vs. REXC - Yearly Performance Comparison

	2026 (YTD)
MDST Westwood Salient Enhanced Midstream Income ETF	5.05%
REXC Sprott Rare Earths Ex-China ETF	7.90%

Correlation

The correlation between MDST and REXC is -0.24, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (All Time) Calculated using the full available price history since Apr 16, 2026	-0.24

Return for Risk

MDST vs. REXC — 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

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. REXC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Westwood Salient Enhanced Midstream Income ETF (MDST) and Sprott Rare Earths Ex-China ETF (REXC). 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	REXC	Difference
Sharpe ratio: Return per unit of total volatility	1.47	—	—
Sortino ratio: Return per unit of downside risk	2.13	—	—
Omega ratio: Gain probability vs. loss probability	1.27	—	—
Calmar ratio: Return relative to maximum drawdown	2.63	—	—
Martin ratio: Return relative to average drawdown	7.46	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	MDST	REXC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.47	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.16	1.55	-0.39

Drawdowns

MDST vs. REXC - Drawdown Comparison

The maximum MDST drawdown since its inception was -14.19%, smaller than the maximum REXC drawdown of -16.41%. Use the drawdown chart below to compare losses from any high point for MDST and REXC.

Drawdown Indicators

	MDST	REXC	Difference
Max Drawdown Largest peak-to-trough decline	-14.19%	-16.41%	+2.22%
Max Drawdown (1Y) Largest decline over 1 year	-6.74%	—	—
Current Drawdown Current decline from peak	-3.53%	-4.86%	+1.33%
Average Drawdown Average peak-to-trough decline	-2.17%	-4.74%	+2.57%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.37%	—	—

Volatility

Volatility by Period

	MDST	REXC	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.87%	—	—
Volatility (6M) Calculated over the trailing 6-month period	8.36%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	12.12%	49.48%	-37.36%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.11%	49.48%	-33.37%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.11%	49.48%	-33.37%

MDST vs. REXC - Expense Ratio Comparison

MDST has a 0.80% expense ratio, which is higher than REXC's 0.65% expense ratio.

Dividends

MDST vs. REXC - Dividend Comparison

MDST's dividend yield for the trailing twelve months is around 9.33%, while REXC has not paid dividends to shareholders.

Position	TTM	2025	2024
MDST Westwood Salient Enhanced Midstream Income ETF	9.33%	10.22%	6.60%
REXC Sprott Rare Earths Ex-China ETF	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both MDST and REXC in my portfolio?

MDST and REXC have a correlation of -0.24, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, MDST or REXC?

On fees, REXC is cheaper at 0.65% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, MDST or REXC?

REXC is cheaper with a 0.65% expense ratio, compared with 0.80% for MDST.

Which ETF pays a higher dividend yield, MDST or REXC?

MDST has the higher dividend yield at 9.33%, compared with 0.00% for REXC.

What is the main difference between MDST and REXC?

They also come from different issuers: Westwood and Sprott. Their fees differ too: 0.80% for MDST and 0.65% for REXC.