SSK vs. WGMI

Last updated Jul 10, 2026

SSK (REX-Osprey SOL + Staking ETF) and WGMI (CoinShares Bitcoin Miners ETF) are both Cryptocurrency funds. SSK is passively managed, while WGMI is actively managed. Over the past year, SSK returned -51.57% vs 126.56% for WGMI. At a 0.44 correlation, their price movements are largely independent. Both charge a 0.75% expense ratio.

Performance

SSK vs. WGMI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in REX-Osprey SOL + Staking ETF (SSK) and CoinShares Bitcoin Miners ETF (WGMI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, SSK achieves a -35.36% return, which is significantly lower than WGMI's 49.43% return.

SSK

• 1D: 0.96%
• 1M: 20.10%
• 6M: -41.78%
• YTD: -35.36%
• 1Y: -51.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WGMI

• 1D: 3.73%
• 1M: -9.42%
• 6M: 28.51%
• YTD: 49.43%
• 1Y: 126.56%
• 3Y*: 51.23%
• 5Y*: —
• 10Y*: —

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

SSK vs. WGMI - Yearly Performance Comparison

	2026 (YTD)	2025
SSK REX-Osprey SOL + Staking ETF	-35.36%	-23.21%
WGMI CoinShares Bitcoin Miners ETF	49.43%	65.74%

Correlation

The correlation between SSK and WGMI is 0.45, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.45
Correlation (All Time) Calculated using the full available price history since Jul 2, 2025	0.44

Return for Risk

SSK vs. WGMI — Risk / Return Rank

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

SSK

SSK Risk / Return Rank: 4
SSK Sharpe Ratio Rank: 4
SSK Sortino Ratio Rank: 4
SSK Omega Ratio Rank: 4
SSK Calmar Ratio Rank: 4
SSK Martin Ratio Rank: 4

WGMI

WGMI Risk / Return Rank: 55
WGMI Sharpe Ratio Rank: 63
WGMI Sortino Ratio Rank: 57
WGMI Omega Ratio Rank: 51
WGMI Calmar Ratio Rank: 63
WGMI Martin Ratio Rank: 39

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.

SSK vs. WGMI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for REX-Osprey SOL + Staking ETF (SSK) and CoinShares Bitcoin Miners ETF (WGMI). 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.

	SSK	WGMI	Difference
Sharpe ratio: Return per unit of total volatility	-0.71	1.65	-2.36
Sortino ratio: Return per unit of downside risk	-0.90	2.19	-3.09
Omega ratio: Gain probability vs. loss probability	0.90	1.26	-0.36
Calmar ratio: Return relative to maximum drawdown	-0.70	2.50	-3.20
Martin ratio: Return relative to average drawdown	-1.05	5.00	-6.05

SSK vs. WGMI - Sharpe Ratio Comparison

The current SSK Sharpe Ratio is -0.71, which is lower than the WGMI Sharpe Ratio of 1.65. The chart below compares the historical Sharpe Ratios of SSK and WGMI, 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

SSK vs. WGMI - Drawdown Comparison

The maximum SSK drawdown since its inception was -73.56%, smaller than the maximum WGMI drawdown of -85.76%. Use the drawdown chart below to compare losses from any high point for SSK and WGMI.

Drawdown Indicators

	SSK	WGMI	Difference
Max Drawdown Largest peak-to-trough decline	-73.56%	-85.76%	+12.20%
Max Drawdown (1Y) Largest decline over 1 year	-73.56%	-50.94%	-22.62%
Max Drawdown (3Y) Largest decline over 3 years	—	-62.79%	—
Current Drawdown Current decline from peak	-67.24%	-20.69%	-46.55%
Average Drawdown Average peak-to-trough decline	-41.45%	-42.18%	+0.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	48.98%	25.41%	+23.57%

Volatility

SSK vs. WGMI - Volatility Comparison

REX-Osprey SOL + Staking ETF (SSK) and CoinShares Bitcoin Miners ETF (WGMI) have volatilities of 22.60% and 22.51%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SSK	WGMI	Difference
Volatility (1M) Calculated over the trailing 1-month period	22.60%	22.51%	+0.09%
Volatility (6M) Calculated over the trailing 6-month period	53.23%	55.81%	-2.58%
Volatility (1Y) Calculated over the trailing 1-year period	72.42%	77.25%	-4.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	71.90%	81.55%	-9.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	71.90%	81.55%	-9.65%

SSK vs. WGMI - Expense Ratio Comparison

Both SSK and WGMI have an expense ratio of 0.75%.

Dividends

SSK vs. WGMI - Dividend Comparison

SSK's dividend yield for the trailing twelve months is around 31.51%, while WGMI has not paid dividends to shareholders.

Position	TTM	2025	2024	2023
SSK REX-Osprey SOL + Staking ETF	31.51%	3.63%	0.00%	0.00%
WGMI CoinShares Bitcoin Miners ETF	0.00%	0.00%	0.22%	0.31%

Frequently Asked Questions

Can I hold both SSK and WGMI in my portfolio?

SSK and WGMI have a correlation of 0.45, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SSK or WGMI?

SSK has higher volatility (22.60%) compared to WGMI (22.51%). In terms of maximum drawdown, SSK dropped -73.56% vs WGMI's -85.76%.

Which ETF is better, SSK or WGMI?

On 1-year performance, WGMI leads with 126.56% vs -51.57% for SSK. Both ETFs have the same 0.75% expense ratio. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SSK or WGMI?

Over the 1-year period, WGMI has performed better with a 126.56% return vs -51.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SSK or WGMI?

SSK and WGMI have the same expense ratio: 0.75% per year.

Which ETF pays a higher dividend yield, SSK or WGMI?

SSK has the higher dividend yield at 31.51%, compared with 0.00% for WGMI.

What is the main difference between SSK and WGMI?

They also come from different issuers: REX-Osprey and CoinShares.

Which has better risk-adjusted returns?

WGMI currently has the higher Sharpe Ratio (1.65 vs -0.71), 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.