SKF vs. BRKL

Last updated Aug 4, 2026

SKF (ProShares UltraShort Financials) and BRKL (Corgi BRKB 2x Daily ETF) are both Leveraged Equities funds. SKF is passively managed, while BRKL is actively managed. Their -0.44 correlation means they have often moved in opposite directions in the past. SKF charges 0.95%/yr vs 0.45%/yr for BRKL.

Performance

SKF vs. BRKL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares UltraShort Financials (SKF) and Corgi BRKB 2x Daily ETF (BRKL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

SKF

• 1D: -1.38%
• 1M: -5.58%
• 6M: -11.53%
• YTD: -8.93%
• 1Y: -18.86%
• 3Y*: -27.34%
• 5Y*: -19.36%
• 10Y*: -27.10%
• ALL TIME*: -28.15%

BRKL

• 1D: 0.36%
• 1M: —
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: —

*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)
BRKL Corgi BRKB 2x Daily ETF	$2.37K	$14.77K	$14.77K
SKF ProShares UltraShort Financials	$327.82K	$374.40K	$433.73K

SKF vs. BRKL - Yearly Performance Comparison

	2026 (YTD)
SKF ProShares UltraShort Financials	-3.98%
BRKL Corgi BRKB 2x Daily ETF	1.84%

Correlation

The correlation between SKF and BRKL is -0.44, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (All Time) Calculated using the full available price history since Jul 7, 2026	-0.44

Return for Risk

SKF vs. BRKL — 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

BRKL

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

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. BRKL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Financials (SKF) and Corgi BRKB 2x Daily ETF (BRKL). 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	BRKL	Difference
Sharpe ratio: Return per unit of total volatility	-0.65	—	—
Sortino ratio: Return per unit of downside risk	-0.82	—	—
Omega ratio: Gain probability vs. loss probability	0.91	—	—
Calmar ratio: Return relative to maximum drawdown	-0.62	—	—
Martin ratio: Return relative to average drawdown	-1.46	—	—

Drawdowns

SKF vs. BRKL - Drawdown Comparison

The maximum SKF drawdown since its inception was -99.96%, which is greater than BRKL's maximum drawdown of -7.03%. Use the drawdown chart below to compare losses from any high point for SKF and BRKL.

Drawdown Indicators

	SKF	BRKL	Difference
Max Drawdown Largest peak-to-trough decline	-99.96%	-7.03%	-92.93%
Max Drawdown (1Y) Largest decline over 1 year	-30.59%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-69.38%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-73.53%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-95.90%	—	—
Current Drawdown Current decline from peak	-99.96%	0.00%	-99.96%
Average Drawdown Average peak-to-trough decline	-89.33%	-3.93%	-85.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.93%	—	—

Volatility

Volatility by Period

	SKF	BRKL	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.55%	—	—
Volatility (6M) Calculated over the trailing 6-month period	22.16%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	29.32%	30.17%	-0.85%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	35.92%	30.17%	+5.75%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	40.78%	30.17%	+10.61%

SKF vs. BRKL - Expense Ratio Comparison

SKF has a 0.95% expense ratio, which is higher than BRKL's 0.45% expense ratio.

Dividends

SKF vs. BRKL - Dividend Comparison

SKF's dividend yield for the trailing twelve months is around 4.70%, while BRKL has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
BRKL Corgi BRKB 2x Daily ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SKF ProShares UltraShort Financials	4.70%	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 BRKL in my portfolio?

SKF and BRKL have a correlation of -0.44, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, SKF or BRKL?

On fees, BRKL is cheaper at 0.45% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, SKF or BRKL?

BRKL is cheaper with a 0.45% expense ratio, compared with 0.95% for SKF.

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

SKF has the higher dividend yield at 4.70%, compared with 0.00% for BRKL.

What is the main difference between SKF and BRKL?

They also come from different issuers: ProShares and Corgi. Their fees differ too: 0.95% for SKF and 0.45% for BRKL.