RARE vs. REMX

Last updated Aug 1, 2026

RARE (Ultragenyx Pharmaceutical Inc.) is a stock, while REMX (VanEck Rare Earth and Strategic Metals ETF) is Rare Earth & Strategic Metals fund tracking the MarketVector Global Rare Earth/Strategic Metals Index. Over the past 10 years, RARE returned -8.91%/yr vs 5.76%/yr for REMX. Their 0.23 correlation means their historical movements had little consistent relationship.

Performance

RARE vs. REMX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Ultragenyx Pharmaceutical Inc. (RARE) and VanEck Rare Earth and Strategic Metals ETF (REMX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RARE achieves a 8.30% return, which is significantly higher than REMX's -10.75% return. Over the past 10 years, RARE has underperformed REMX with an annualized return of -8.91%, while REMX has yielded a comparatively higher 5.76% annualized return.

RARE

• 1D: -4.34%
• 1M: -25.58%
• 6M: 3.49%
• YTD: 8.30%
• 1Y: -12.41%
• 3Y*: -16.59%
• 5Y*: -20.78%
• 10Y*: -8.91%
• ALL TIME*: -4.76%

REMX

• 1D: -0.72%
• 1M: -23.93%
• 6M: -22.96%
• YTD: -10.75%
• 1Y: 36.09%
• 3Y*: -4.84%
• 5Y*: -7.48%
• 10Y*: 5.76%
• ALL TIME*: -5.36%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
RARE Ultragenyx Pharmaceutical Inc.	$49.66M	$56.10M	$61.47M
REMX VanEck Rare Earth and Strategic Metals ETF	$50.08M	$56.30M	$87.87M

RARE vs. REMX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RARE Ultragenyx Pharmaceutical Inc.	8.30%	-45.33%	-12.02%	3.22%	-44.90%	-39.25%	224.12%	-1.77%	-6.25%	-34.03%
REMX VanEck Rare Earth and Strategic Metals ETF	-10.75%	92.95%	-35.02%	-19.18%	-31.13%	79.81%	64.82%	0.74%	-49.63%	82.60%

Correlation

The correlation between RARE and REMX is 0.22, which is low. Their historical price movements had little consistent relationship.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.22
Correlation (3Y) Balances recent behavior with more history.	0.22
Correlation (5Y) Shows whether the relationship held over a longer period.	0.25
Correlation (10Y) Provides a long-term view across more market conditions.	0.25
Correlation (All Time) Calculated using the full available price history since Jan 31, 2014	0.23

Return for Risk

RARE vs. REMX — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

RARE

RARE Risk / Return Rank: 40
RARE Sharpe Ratio Rank: 38
RARE Sortino Ratio Rank: 42
RARE Omega Ratio Rank: 44
RARE Calmar Ratio Rank: 39
RARE Martin Ratio Rank: 38

REMX

REMX Risk / Return Rank: 31
REMX Sharpe Ratio Rank: 30
REMX Sortino Ratio Rank: 34
REMX Omega Ratio Rank: 32
REMX Calmar Ratio Rank: 28
REMX Martin Ratio Rank: 31

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

RARE vs. REMX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Ultragenyx Pharmaceutical Inc. (RARE) and VanEck Rare Earth and Strategic Metals ETF (REMX). 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.

	RARE	REMX	Difference
Sharpe ratio: Return per unit of total volatility	-0.13	0.74	-0.87
Sortino ratio: Return per unit of downside risk	0.32	1.29	-0.97
Omega ratio: Gain probability vs. loss probability	1.05	1.15	-0.10
Calmar ratio: Return relative to maximum drawdown	-0.18	0.89	-1.07
Martin ratio: Return relative to average drawdown	-0.34	2.75	-3.09

RARE vs. REMX - Sharpe Ratio Comparison

The current RARE Sharpe Ratio is -0.13, which is lower than the REMX Sharpe Ratio of 0.74. The chart below compares the historical Sharpe Ratios of RARE and REMX, 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

RARE vs. REMX - Drawdown Comparison

The maximum RARE drawdown since its inception was -89.57%, roughly equal to the maximum REMX drawdown of -90.20%. Use the drawdown chart below to compare losses from any high point for RARE and REMX.

Drawdown Indicators

	RARE	REMX	Difference
Max Drawdown Largest peak-to-trough decline	-89.57%	-90.20%	+0.63%
Max Drawdown (1Y) Largest decline over 1 year	-49.37%	-41.03%	-8.34%
Max Drawdown (3Y) Largest decline over 3 years	-68.83%	-58.11%	-10.72%
Max Drawdown (5Y) Largest decline over 5 years	-81.93%	-73.34%	-8.59%
Max Drawdown (10Y) Largest decline over 10 years	-89.57%	-73.34%	-16.23%
Current Drawdown Current decline from peak	-85.96%	-69.79%	-16.17%
Average Drawdown Average peak-to-trough decline	-55.11%	-66.81%	+11.70%
Ulcer Index Depth and duration of drawdowns from previous peaks	26.28%	13.28%	+13.00%

Volatility

RARE vs. REMX - Volatility Comparison

Ultragenyx Pharmaceutical Inc. (RARE) has a higher volatility of 13.46% compared to VanEck Rare Earth and Strategic Metals ETF (REMX) at 11.77%. This indicates that RARE's price experiences larger fluctuations and is considered to be riskier than REMX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RARE	REMX	Difference
Volatility (1M) Calculated over the trailing 1-month period	13.46%	11.77%	+1.69%
Volatility (6M) Calculated over the trailing 6-month period	38.75%	37.31%	+1.44%
Volatility (1Y) Calculated over the trailing 1-year period	67.17%	49.87%	+17.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	54.65%	40.57%	+14.08%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	55.21%	37.30%	+17.91%

Dividends

RARE vs. REMX - Dividend Comparison

RARE has not paid dividends to shareholders, while REMX's dividend yield for the trailing twelve months is around 1.97%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RARE Ultragenyx Pharmaceutical Inc.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
REMX VanEck Rare Earth and Strategic Metals ETF	1.97%	1.76%	2.56%	0.00%	1.56%	5.25%	0.81%	1.64%	12.43%	2.89%	2.23%	4.77%

Frequently Asked Questions

Can I hold both RARE and REMX in my portfolio?

RARE and REMX have a correlation of 0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RARE or REMX?

RARE has higher volatility (13.46%) compared to REMX (11.77%). In terms of maximum drawdown, RARE dropped -89.57% vs REMX's -90.20%.

Which has better risk-adjusted returns?

REMX currently has the higher Sharpe Ratio (0.74 vs -0.13), 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.