SKF vs. AUMI

Last updated Aug 5, 2026

SKF (ProShares UltraShort Financials) and AUMI (Themes Gold Miners ETF) are both exchange-traded funds - SKF is a Leveraged Equities fund tracking the DJ Global United States (All) / Financials -IND (-200%), while AUMI is a Gold fund tracking the Solactive Global Pure Gold Miners Index. Both are passively managed. Over the past year, SKF returned -18.99% vs 46.46% for AUMI. Their -0.15 correlation means they have often moved in opposite directions in the past. SKF charges 0.95%/yr vs 0.35%/yr for AUMI.

Performance

SKF vs. AUMI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares UltraShort Financials (SKF) 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, SKF achieves a -10.68% return, which is significantly higher than AUMI's -12.29% return.

SKF

• 1D: -1.93%
• 1M: -7.40%
• 6M: -14.77%
• YTD: -10.68%
• 1Y: -18.99%
• 3Y*: -27.81%
• 5Y*: -19.27%
• 10Y*: -27.24%
• ALL TIME*: -28.22%

AUMI

• 1D: 2.68%
• 1M: -0.21%
• 6M: -21.90%
• YTD: -12.29%
• 1Y: 46.46%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 57.77%

*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)
AUMI Themes Gold Miners ETF	$206.78K	$203.23K	$377.71K
SKF ProShares UltraShort Financials	$333.41K	$363.57K	$432.22K

SKF vs. AUMI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
SKF ProShares UltraShort Financials	-10.68%	-23.99%	-36.29%	-6.01%
AUMI Themes Gold Miners ETF	-12.29%	164.18%	30.61%	10.23%

Correlation

The correlation between SKF and AUMI is -0.22, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.22
Correlation (All Time) Calculated using the full available price history since Dec 13, 2023	-0.15

SKF vs. AUMI - Sectors Allocation Comparison

Sectors	SKF	AUMI
Financial Services	66.9%	0.2%
Basic Materials	-	99.5%
Communication Services	-	0.0%
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	0.0%
Utilities	-	-

Return for Risk

SKF vs. AUMI — Risk / Return Rank

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

SKF

SKF Risk / Return Rank: 3
SKF Sharpe Ratio Rank: 4
SKF Sortino Ratio Rank: 4
SKF Omega Ratio Rank: 4
SKF Calmar Ratio Rank: 4
SKF Martin Ratio Rank: 1

AUMI

AUMI Risk / Return Rank: 32
AUMI Sharpe Ratio Rank: 34
AUMI Sortino Ratio Rank: 34
AUMI Omega Ratio Rank: 35
AUMI Calmar Ratio Rank: 32
AUMI Martin Ratio Rank: 27

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.

SKF vs. AUMI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Financials (SKF) 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.

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.

	SKF	AUMI	Difference
Sharpe ratio: Return per unit of total volatility	-0.65	0.92	-1.57
Sortino ratio: Return per unit of downside risk	-0.83	1.39	-2.22
Omega ratio: Gain probability vs. loss probability	0.91	1.18	-0.27
Calmar ratio: Return relative to maximum drawdown	-0.61	1.17	-1.78
Martin ratio: Return relative to average drawdown	-1.45	2.47	-3.93

SKF vs. AUMI - Sharpe Ratio Comparison

The current SKF Sharpe Ratio is -0.65, which is lower than the AUMI Sharpe Ratio of 0.92. The chart below compares the historical Sharpe Ratios of SKF 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.

Drawdowns

SKF vs. AUMI - Drawdown Comparison

The maximum SKF drawdown since its inception was -99.96%, which is greater than AUMI's maximum drawdown of -39.84%. Use the drawdown chart below to compare losses from any high point for SKF and AUMI.

Drawdown Indicators

	SKF	AUMI	Difference
Max Drawdown Largest peak-to-trough decline	-99.96%	-39.84%	-60.12%
Max Drawdown (1Y) Largest decline over 1 year	-31.32%	-39.84%	+8.52%
Max Drawdown (3Y) Largest decline over 3 years	-69.71%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-73.81%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-95.94%	—	—
Current Drawdown Current decline from peak	-99.96%	-34.02%	-65.94%
Average Drawdown Average peak-to-trough decline	-89.34%	-8.84%	-80.50%
Ulcer Index Depth and duration of drawdowns from previous peaks	13.08%	18.83%	-5.75%

Volatility

SKF vs. AUMI - Volatility Comparison

The current volatility for ProShares UltraShort Financials (SKF) is 7.60%, while Themes Gold Miners ETF (AUMI) has a volatility of 12.22%. This indicates that SKF experiences smaller price fluctuations and is considered to be less risky than AUMI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SKF	AUMI	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.60%	12.22%	-4.62%
Volatility (6M) Calculated over the trailing 6-month period	22.14%	38.31%	-16.17%
Volatility (1Y) Calculated over the trailing 1-year period	29.32%	50.88%	-21.56%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.93%	42.42%	-6.49%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	40.77%	42.42%	-1.65%

SKF vs. AUMI - Expense Ratio Comparison

SKF has a 0.95% expense ratio, which is higher than AUMI's 0.35% expense ratio.

Dividends

SKF vs. AUMI - Dividend Comparison

SKF's dividend yield for the trailing twelve months is around 4.80%, more than AUMI's 0.99% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
AUMI Themes Gold Miners ETF	0.99%	0.86%	1.84%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SKF ProShares UltraShort Financials	4.80%	5.61%	7.94%	3.93%	0.03%	0.00%	0.11%	1.29%	0.06%

Frequently Asked Questions

Can I hold both SKF and AUMI in my portfolio?

SKF and AUMI 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, SKF or AUMI?

AUMI has higher volatility (12.22%) compared to SKF (7.60%). In terms of maximum drawdown, SKF dropped -99.96% vs AUMI's -39.84%.

Which ETF is better, SKF or AUMI?

On 1-year performance, AUMI leads with 46.46% vs -18.99% for SKF. On fees, AUMI is cheaper at 0.35% per year. On volatility, SKF has been the lower-risk option at 7.60%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SKF or AUMI?

Over the 1-year period, AUMI has performed better with a 46.46% return vs -18.99%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SKF or AUMI?

AUMI is cheaper with a 0.35% expense ratio, compared with 0.95% for SKF.

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

SKF has the higher dividend yield at 4.80%, compared with 0.99% for AUMI.

What is the main difference between SKF and AUMI?

SKF is categorized as Leveraged Equities, while AUMI is Gold. SKF tracks DJ Global United States (All) / Financials -IND (-200%), while AUMI tracks Solactive Global Pure Gold Miners Index. They also come from different issuers: ProShares and Themes. Their fees differ too: 0.95% for SKF and 0.35% for AUMI.

Which has better risk-adjusted returns?

AUMI currently has the higher Sharpe Ratio (0.92 vs -0.65), 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.