AFSC vs. MSTZ

Last updated Jul 12, 2026

AFSC (abrdn Focused U.S. Small Cap Active ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - AFSC is a Small Cap Blend Equities fund actively managed by Aberdeen, while MSTZ is a Inverse Equities fund actively managed by REX. Both are actively managed. Over the past year, AFSC returned 31.70% vs 264.10% for MSTZ. At a correlation of -0.38, they often move in opposite directions. AFSC charges 0.65%/yr vs 1.05%/yr for MSTZ.

Performance

AFSC vs. MSTZ - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in abrdn Focused U.S. Small Cap Active ETF (AFSC) 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, AFSC achieves a 25.00% return, which is significantly higher than MSTZ's -26.97% return.

AFSC

• 1D: -0.38%
• 1M: 1.81%
• 6M: 18.53%
• YTD: 25.00%
• 1Y: 31.70%
• 3Y*: —
• 5Y*: —
• 10Y*: —

MSTZ

• 1D: -1.53%
• 1M: 39.32%
• 6M: -19.19%
• YTD: -26.97%
• 1Y: 264.10%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

AFSC vs. MSTZ - Yearly Performance Comparison

	2026 (YTD)	2025
AFSC abrdn Focused U.S. Small Cap Active ETF	25.00%	2.33%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	-26.97%	4.07%

Correlation

The correlation between AFSC and MSTZ is -0.33, 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	-0.33
Correlation (All Time) Calculated using the full available price history since Feb 18, 2025	-0.38

Return for Risk

AFSC vs. MSTZ — Risk / Return Rank

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

AFSC

AFSC Risk / Return Rank: 64
AFSC Sharpe Ratio Rank: 59
AFSC Sortino Ratio Rank: 61
AFSC Omega Ratio Rank: 52
AFSC Calmar Ratio Rank: 73
AFSC Martin Ratio Rank: 75

MSTZ

MSTZ Risk / Return Rank: 60
MSTZ Sharpe Ratio Rank: 61
MSTZ Sortino Ratio Rank: 62
MSTZ Omega Ratio Rank: 63
MSTZ Calmar Ratio Rank: 71
MSTZ Martin Ratio Rank: 43

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.

AFSC vs. MSTZ - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for abrdn Focused U.S. Small Cap Active ETF (AFSC) 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.

	AFSC	MSTZ	Difference
Sharpe ratio: Return per unit of total volatility	1.58	1.64	-0.06
Sortino ratio: Return per unit of downside risk	2.29	2.34	-0.05
Omega ratio: Gain probability vs. loss probability	1.26	1.30	-0.04
Calmar ratio: Return relative to maximum drawdown	2.93	2.86	+0.07
Martin ratio: Return relative to average drawdown	11.11	5.59	+5.52

AFSC vs. MSTZ - Sharpe Ratio Comparison

The current AFSC Sharpe Ratio is 1.58, which is comparable to the MSTZ Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of AFSC 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

AFSC vs. MSTZ - Drawdown Comparison

The maximum AFSC drawdown since its inception was -21.93%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for AFSC and MSTZ.

Drawdown Indicators

	AFSC	MSTZ	Difference
Max Drawdown Largest peak-to-trough decline	-21.93%	-99.38%	+77.45%
Max Drawdown (1Y) Largest decline over 1 year	-10.29%	-84.89%	+74.60%
Current Drawdown Current decline from peak	-3.18%	-97.51%	+94.33%
Average Drawdown Average peak-to-trough decline	-4.03%	-94.53%	+90.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.74%	43.41%	-40.67%

Volatility

AFSC vs. MSTZ - Volatility Comparison

The current volatility for abrdn Focused U.S. Small Cap Active ETF (AFSC) is 5.71%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 56.46%. This indicates that AFSC 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

	AFSC	MSTZ	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.71%	56.46%	-50.75%
Volatility (6M) Calculated over the trailing 6-month period	14.64%	135.20%	-120.56%
Volatility (1Y) Calculated over the trailing 1-year period	19.08%	148.41%	-129.33%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.34%	171.17%	-148.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.34%	171.17%	-148.83%

AFSC vs. MSTZ - Expense Ratio Comparison

AFSC has a 0.65% expense ratio, which is lower than MSTZ's 1.05% expense ratio.

Dividends

AFSC vs. MSTZ - Dividend Comparison

AFSC's dividend yield for the trailing twelve months is around 0.06%, while MSTZ has not paid dividends to shareholders.

Position	TTM	2025
AFSC abrdn Focused U.S. Small Cap Active ETF	0.06%	0.08%
MSTZ T-REX 2X Inverse MSTR Daily Target ETF	0.00%	0.00%

Frequently Asked Questions

Can I hold both AFSC and MSTZ in my portfolio?

AFSC and MSTZ have a correlation of -0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, AFSC or MSTZ?

MSTZ has higher volatility (56.46%) compared to AFSC (5.71%). In terms of maximum drawdown, AFSC dropped -21.93% vs MSTZ's -99.38%.

Which ETF is better, AFSC or MSTZ?

On 1-year performance, MSTZ leads with 264.10% vs 31.70% for AFSC. On fees, AFSC is cheaper at 0.65% per year. On volatility, AFSC has been the lower-risk option at 5.71%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AFSC or MSTZ?

Over the 1-year period, MSTZ has performed better with a 264.10% return vs 31.70%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AFSC or MSTZ?

AFSC is cheaper with a 0.65% expense ratio, compared with 1.05% for MSTZ.

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

AFSC has the higher dividend yield at 0.06%, compared with 0.00% for MSTZ.

What is the main difference between AFSC and MSTZ?

AFSC is categorized as Small Cap Blend Equities, while MSTZ is Inverse Equities. They also come from different issuers: Aberdeen and REX. Their fees differ too: 0.65% for AFSC and 1.05% for MSTZ.

Which has better risk-adjusted returns?

MSTZ currently has the higher Sharpe Ratio (1.64 vs 1.58), 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.