GBUG vs. AUMI

Last updated Jun 6, 2026

GBUG (Sprott Active Gold & Silver Miners ETF) and AUMI (Themes Gold Miners ETF) are both Gold funds. GBUG is actively managed, while AUMI is passively managed. Over the past year, GBUG returned 46.03% vs 38.95% for AUMI. With a 0.95 correlation, they move nearly in lockstep. GBUG charges 0.89%/yr vs 0.35%/yr for AUMI.

Performance

GBUG vs. AUMI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Sprott Active Gold & Silver Miners ETF (GBUG) and Themes Gold Miners ETF (AUMI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, GBUG achieves a -11.03% return, which is significantly higher than AUMI's -13.05% return.

GBUG

• 1D: -9.73%
• 1M: -15.35%
• YTD: -11.03%
• 6M: -2.89%
• 1Y: 46.03%
• 3Y*: —
• 5Y*: —
• 10Y*: —

AUMI

• 1D: -8.58%
• 1M: -17.51%
• YTD: -13.05%
• 6M: -7.45%
• 1Y: 38.95%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

GBUG vs. AUMI - Yearly Performance Comparison

	2026 (YTD)	2025
GBUG Sprott Active Gold & Silver Miners ETF	-11.03%	119.00%
AUMI Themes Gold Miners ETF	-13.05%	111.19%

Correlation

The correlation between GBUG and AUMI is 0.97 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.97
Correlation (All Time) Calculated using the full available price history since Feb 21, 2025	0.95

The correlation between GBUG and AUMI has been stable across timeframes, ranging from 0.95 to 0.97 - a consistent structural relationship.

Return for Risk

GBUG vs. AUMI — Risk / Return Rank

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

GBUG

GBUG Risk / Return Rank: 28
GBUG Sharpe Ratio Rank: 28
GBUG Sortino Ratio Rank: 27
GBUG Omega Ratio Rank: 30
GBUG Calmar Ratio Rank: 30
GBUG Martin Ratio Rank: 27

AUMI

AUMI Risk / Return Rank: 25
AUMI Sharpe Ratio Rank: 24
AUMI Sortino Ratio Rank: 24
AUMI Omega Ratio Rank: 26
AUMI Calmar Ratio Rank: 25
AUMI Martin Ratio Rank: 24

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.

GBUG vs. AUMI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Sprott Active Gold & Silver Miners ETF (GBUG) and Themes Gold Miners ETF (AUMI). 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.

	GBUG	AUMI	Difference
Sharpe ratio: Return per unit of total volatility	0.95	0.80	+0.15
Sortino ratio: Return per unit of downside risk	1.38	1.26	+0.13
Omega ratio: Gain probability vs. loss probability	1.19	1.17	+0.02
Calmar ratio: Return relative to maximum drawdown	1.39	1.13	+0.26
Martin ratio: Return relative to average drawdown	3.65	3.06	+0.59
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

GBUG vs. AUMI - Sharpe Ratio Comparison

The current GBUG Sharpe Ratio is 0.95, which is comparable to the AUMI Sharpe Ratio of 0.80. The chart below compares the historical Sharpe Ratios of GBUG and AUMI, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	GBUG	AUMI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.95	0.80	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	1.42	1.41	+0.01

Drawdowns

GBUG vs. AUMI - Drawdown Comparison

The maximum GBUG drawdown since its inception was -33.18%, roughly equal to the maximum AUMI drawdown of -34.59%. Use the drawdown chart below to compare losses from any high point for GBUG and AUMI.

Drawdown Indicators

	GBUG	AUMI	Difference
Max Drawdown Largest peak-to-trough decline	-33.18%	-34.59%	+1.41%
Max Drawdown (1Y) Largest decline over 1 year	-33.18%	-34.59%	+1.41%
Current Drawdown Current decline from peak	-33.18%	-34.59%	+1.41%
Average Drawdown Average peak-to-trough decline	-7.75%	-7.14%	-0.61%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.70%	12.77%	-0.07%

Volatility

GBUG vs. AUMI - Volatility Comparison

Sprott Active Gold & Silver Miners ETF (GBUG) has a higher volatility of 16.65% compared to Themes Gold Miners ETF (AUMI) at 15.13%. This indicates that GBUG's price experiences larger fluctuations and is considered to be riskier than AUMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	GBUG	AUMI	Difference
Volatility (1M) Calculated over the trailing 1-month period	16.65%	15.13%	+1.52%
Volatility (6M) Calculated over the trailing 6-month period	40.73%	39.55%	+1.18%
Volatility (1Y) Calculated over the trailing 1-year period	48.66%	48.75%	-0.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	48.05%	41.89%	+6.16%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	48.05%	41.89%	+6.16%

GBUG vs. AUMI - Expense Ratio Comparison

GBUG has a 0.89% expense ratio, which is higher than AUMI's 0.35% expense ratio.

Dividends

GBUG vs. AUMI - Dividend Comparison

GBUG's dividend yield for the trailing twelve months is around 1.75%, more than AUMI's 0.99% yield.

Position	TTM	2025	2024
AUMI Themes Gold Miners ETF	0.99%	0.86%	1.84%
GBUG Sprott Active Gold & Silver Miners ETF	1.75%	1.56%	0.00%

Frequently Asked Questions

Can I hold both GBUG and AUMI in my portfolio?

With a correlation of 0.97, GBUG and AUMI move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, GBUG or AUMI?

GBUG has higher volatility (16.65%) compared to AUMI (15.13%). In terms of maximum drawdown, GBUG dropped -33.18% vs AUMI's -34.59%.

Which ETF is better, GBUG or AUMI?

On 1-year performance, GBUG leads with 46.03% vs 38.95% for AUMI. On fees, AUMI is cheaper at 0.35% per year. On volatility, AUMI has been the lower-risk option at 15.13%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, GBUG or AUMI?

Over the 1-year period, GBUG has performed better with a 46.03% return vs 38.95%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, GBUG or AUMI?

AUMI is cheaper with a 0.35% expense ratio, compared with 0.89% for GBUG.

Which ETF pays a higher dividend yield, GBUG or AUMI?

GBUG has the higher dividend yield at 1.75%, compared with 0.99% for AUMI.

What is the main difference between GBUG and AUMI?

They also come from different issuers: Sprott and Themes. Their fees differ too: 0.89% for GBUG and 0.35% for AUMI.

Which has better risk-adjusted returns?

GBUG currently has the higher Sharpe Ratio (0.95 vs 0.80), 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.