ARRNF vs. MSTY

Last updated Apr 1, 2026

Compare and contrast key facts about American Rare Earths Limited (ARRNF) and YieldMax™ MSTR Option Income Strategy ETF (MSTY).

MSTY is an actively managed fund by YieldMax. It was launched on Feb 21, 2024.

Performance

ARRNF vs. MSTY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Rare Earths Limited (ARRNF) and YieldMax™ MSTR Option Income Strategy ETF (MSTY). The values are adjusted to include any dividend payments, if applicable.

ARRNF vs. MSTY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
ARRNF American Rare Earths Limited	7.62%	23.89%	-40.00%
MSTY YieldMax™ MSTR Option Income Strategy ETF	-13.58%	-42.71%	200.20%

Returns By Period

In the year-to-date period, ARRNF achieves a 7.62% return, which is significantly higher than MSTY's -13.58% return.

ARRNF

• 1D: 5.12%
• 1M: -11.37%
• YTD: 7.62%
• 6M: -17.22%
• 1Y: 25.56%
• 3Y*: 13.89%
• 5Y*: 62.41%
• 10Y*: —

MSTY

• 1D: 2.45%
• 1M: -1.67%
• YTD: -13.58%
• 6M: -54.23%
• 1Y: -48.88%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

Return for Risk

ARRNF vs. MSTY — Risk / Return Rank

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

ARRNF

ARRNF Risk / Return Rank: 56
ARRNF Sharpe Ratio Rank: 49
ARRNF Sortino Ratio Rank: 68
ARRNF Omega Ratio Rank: 64
ARRNF Calmar Ratio Rank: 50
ARRNF Martin Ratio Rank: 48

MSTY

MSTY Risk / Return Rank: 2
MSTY Sharpe Ratio Rank: 2
MSTY Sortino Ratio Rank: 2
MSTY Omega Ratio Rank: 2
MSTY Calmar Ratio Rank: 2
MSTY Martin Ratio Rank: 3

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.

ARRNF vs. MSTY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Rare Earths Limited (ARRNF) and YieldMax™ MSTR Option Income Strategy ETF (MSTY). 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.

	ARRNF	MSTY	Difference
Sharpe ratio Return per unit of total volatility	0.20	-0.77	+0.97
Sortino ratio Return per unit of downside risk	1.51	-1.05	+2.56
Omega ratio Gain probability vs. loss probability	1.18	0.88	+0.30
Calmar ratio Return relative to maximum drawdown	0.32	-0.68	+1.00
Martin ratio Return relative to average drawdown	0.52	-1.22	+1.74
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

ARRNF vs. MSTY - Sharpe Ratio Comparison

The current ARRNF Sharpe Ratio is 0.20, which is higher than the MSTY Sharpe Ratio of -0.77. The chart below compares the historical Sharpe Ratios of ARRNF and MSTY, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	ARRNF	MSTY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.20	-0.77	+0.97
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.20	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.29	-0.13

Correlation

The correlation between ARRNF and MSTY is 0.08, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

ARRNF vs. MSTY - Dividend Comparison

ARRNF has not paid dividends to shareholders, while MSTY's dividend yield for the trailing twelve months is around 298.73%.

	TTM	2025	2024
ARRNF American Rare Earths Limited	0.00%	0.00%	0.00%
MSTY YieldMax™ MSTR Option Income Strategy ETF	298.73%	294.61%	104.56%

Drawdowns

ARRNF vs. MSTY - Drawdown Comparison

The maximum ARRNF drawdown since its inception was -83.01%, which is greater than MSTY's maximum drawdown of -71.79%. Use the drawdown chart below to compare losses from any high point for ARRNF and MSTY.

Drawdown Indicators

	ARRNF	MSTY	Difference
Max Drawdown Largest peak-to-trough decline	-83.01%	-71.79%	-11.22%
Max Drawdown (1Y) Largest decline over 1 year	-69.13%	-71.79%	+2.66%
Max Drawdown (5Y) Largest decline over 5 years	-83.01%	—	—
Current Drawdown Current decline from peak	-66.78%	-66.02%	-0.76%
Average Drawdown Average peak-to-trough decline	-45.82%	-23.37%	-22.45%
Ulcer Index Depth and duration of drawdowns from previous peaks	42.63%	40.02%	+2.61%

Volatility

ARRNF vs. MSTY - Volatility Comparison

American Rare Earths Limited (ARRNF) has a higher volatility of 18.13% compared to YieldMax™ MSTR Option Income Strategy ETF (MSTY) at 14.90%. This indicates that ARRNF's price experiences larger fluctuations and is considered to be riskier than MSTY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	ARRNF	MSTY	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.13%	14.90%	+3.23%
Volatility (6M) Calculated over the trailing 6-month period	85.77%	48.86%	+36.91%
Volatility (1Y) Calculated over the trailing 1-year period	126.29%	63.88%	+62.41%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	314.40%	72.67%	+241.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	294.76%	72.67%	+222.09%