PRF vs. MSTZ

Last updated Jul 15, 2026

PRF (Invesco RAFI US 1000 ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - PRF is a Large Cap Value Equities fund tracking the RAFI Fundamental Select US 1000 Index, while MSTZ is a Inverse Equities fund actively managed by REX. PRF is passively managed, while MSTZ is actively managed. Over the past year, PRF returned 28.96% vs 266.72% for MSTZ. At a correlation of -0.36, they often move in opposite directions. PRF charges 0.34%/yr vs 1.05%/yr for MSTZ.

Performance

PRF vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco RAFI US 1000 ETF (PRF) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PRF achieves a 16.80% return, which is significantly higher than MSTZ's -31.90% return.

PRF

• 1D: -0.09%
• 1M: 0.99%
• 6M: 13.18%
• YTD: 16.80%
• 1Y: 28.96%
• 3Y*: 20.17%
• 5Y*: 13.25%
• 10Y*: 13.51%

MSTZ

• 1D: -11.25%
• 1M: 29.92%
• 6M: -7.52%
• YTD: -31.90%
• 1Y: 266.72%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

PRF vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025	2024
PRF Invesco RAFI US 1000 ETF	16.80%	18.33%	1.51%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-31.90%	-38.95%	-94.43%

Correlation

The correlation between PRF and MSTZ is -0.41, 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 (1Y) Calculated over the trailing 1-year period	-0.41
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024	-0.36

Return for Risk

PRF vs. MSTZ — Risk / Return Rank

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

PRF

PRF Risk / Return Rank: 92
PRF Sharpe Ratio Rank: 93
PRF Sortino Ratio Rank: 93
PRF Omega Ratio Rank: 92
PRF Calmar Ratio Rank: 90
PRF Martin Ratio Rank: 92

MSTZ

MSTZ Risk / Return Rank: 65
MSTZ Sharpe Ratio Rank: 71
MSTZ Sortino Ratio Rank: 65
MSTZ Omega Ratio Rank: 66
MSTZ Calmar Ratio Rank: 77
MSTZ Martin Ratio Rank: 46

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.

PRF vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco RAFI US 1000 ETF (PRF) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). 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.

	PRF	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	2.68	1.81	+0.87
Sortino ratio: Return per unit of downside risk	3.72	2.41	+1.32
Omega ratio: Gain probability vs. loss probability	1.49	1.31	+0.18
Calmar ratio: Return relative to maximum drawdown	4.41	3.16	+1.25
Martin ratio: Return relative to average drawdown	18.03	6.14	+11.89

PRF vs. MSTZ - Sharpe Ratio Comparison

The current PRF Sharpe Ratio is 2.68, which is higher than the MSTZ Sharpe Ratio of 1.81. The chart below compares the historical Sharpe Ratios of PRF and MSTZ, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PRF vs. MSTZ - Drawdown Comparison

The maximum PRF drawdown since its inception was -60.35%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for PRF and MSTZ.

Drawdown Indicators

	PRF	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-60.35%	-99.38%	+39.03%
Max Drawdown (1Y) Largest decline over 1 year	-6.59%	-84.89%	+78.30%
Max Drawdown (3Y) Largest decline over 3 years	-15.82%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-19.72%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-38.16%	—	—
Current Drawdown Current decline from peak	-0.13%	-97.68%	+97.55%
Average Drawdown Average peak-to-trough decline	-6.90%	-94.54%	+87.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.61%	43.66%	-42.05%

Volatility

PRF vs. MSTZ - Volatility Comparison

The current volatility for Invesco RAFI US 1000 ETF (PRF) is 2.37%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 57.19%. This indicates that PRF experiences smaller price fluctuations and is considered to be less risky than MSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PRF	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.37%	57.19%	-54.82%
Volatility (6M) Calculated over the trailing 6-month period	8.07%	135.18%	-127.11%
Volatility (1Y) Calculated over the trailing 1-year period	10.85%	148.74%	-137.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.16%	171.04%	-155.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	17.59%	171.04%	-153.45%

PRF vs. MSTZ - Expense Ratio Comparison

PRF has a 0.34% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

PRF vs. MSTZ - Dividend Comparison

PRF's dividend yield for the trailing twelve months is around 1.36%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
PRF Invesco RAFI US 1000 ETF	1.36%	1.59%	1.78%	1.84%	2.01%	1.58%	1.97%	1.99%	2.25%	1.58%	2.17%	2.25%

Frequently Asked Questions

Can I hold both PRF and MSTZ in my portfolio?

PRF and MSTZ have a correlation of -0.41, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PRF or MSTZ?

MSTZ has higher volatility (57.19%) compared to PRF (2.37%). In terms of maximum drawdown, PRF dropped -60.35% vs MSTZ's -99.38%.

Which ETF is better, PRF or MSTZ?

On 1-year performance, MSTZ leads with 266.72% vs 28.96% for PRF. On fees, PRF is cheaper at 0.34% per year. On volatility, PRF has been the lower-risk option at 2.37%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, PRF or MSTZ?

Over the 1-year period, MSTZ has performed better with a 266.72% return vs 28.96%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, PRF or MSTZ?

PRF is cheaper with a 0.34% expense ratio, compared with 1.05% for MSTZ.

Which ETF pays a higher dividend yield, PRF or MSTZ?

PRF has the higher dividend yield at 1.36%, compared with 0.00% for MSTZ.

What is the main difference between PRF and MSTZ?

PRF is categorized as Large Cap Value Equities, while MSTZ is Inverse Equities. They also come from different issuers: Invesco and REX. Their fees differ too: 0.34% for PRF and 1.05% for MSTZ.

Which has better risk-adjusted returns?

PRF currently has the higher Sharpe Ratio (2.68 vs 1.81), 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.