OBTC vs. SETH

Last updated Aug 5, 2026

OBTC (Osprey Bitcoin Trust) and SETH (ProShares Short Ether Strategy ETF) are both Cryptocurrency funds - OBTC tracks the Bitcoin (BTC) while SETH tracks the Bloomberg Galaxy Ethereum (--100%). Both are passively managed. Over the past year, OBTC returned -36.66% vs 32.96% for SETH. Their -0.76 correlation means they have often moved in opposite directions in the past. OBTC charges 0.49%/yr vs 0.95%/yr for SETH.

Performance

OBTC vs. SETH - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Osprey Bitcoin Trust (OBTC) and ProShares Short Ether Strategy ETF (SETH). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OBTC achieves a -26.66% return, which is significantly lower than SETH's 28.99% return.

OBTC

• 1D: 0.95%
• 1M: 4.80%
• 6M: -16.02%
• YTD: -26.66%
• 1Y: -36.66%
• 3Y*: 42.55%
• 5Y*: 5.44%
• 10Y*: —
• ALL TIME*: -6.65%

SETH

• 1D: -0.39%
• 1M: -10.40%
• 6M: 4.15%
• YTD: 28.99%
• 1Y: 32.96%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -31.19%

*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)
OBTC Osprey Bitcoin Trust	$131.03K	$187.41K	$211.76K
SETH ProShares Short Ether Strategy ETF	$1.05M	$1.13M	$1.85M

OBTC vs. SETH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
OBTC Osprey Bitcoin Trust	-26.66%	-1.87%	130.89%	34.67%
SETH ProShares Short Ether Strategy ETF	28.99%	-29.41%	-49.59%	-22.19%

Correlation

The correlation between OBTC and SETH is -0.88, 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.	-0.88
Correlation (All Time) Calculated using the full available price history since Nov 2, 2023	-0.76

The correlation between OBTC and SETH shifts across timeframes, from -0.88 (1 year) to -0.76 (all time), reflecting how their relationship changes across market environments.

Return for Risk

OBTC vs. SETH — Risk / Return Rank

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

OBTC

OBTC Risk / Return Rank: 3
OBTC Sharpe Ratio Rank: 3
OBTC Sortino Ratio Rank: 3
OBTC Omega Ratio Rank: 3
OBTC Calmar Ratio Rank: 3
OBTC Martin Ratio Rank: 3

SETH

SETH Risk / Return Rank: 25
SETH Sharpe Ratio Rank: 21
SETH Sortino Ratio Rank: 27
SETH Omega Ratio Rank: 26
SETH Calmar Ratio Rank: 30
SETH Martin Ratio Rank: 23

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.

OBTC vs. SETH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Osprey Bitcoin Trust (OBTC) and ProShares Short Ether Strategy ETF (SETH). 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.

	OBTC	SETH	Difference
Sharpe ratio: Return per unit of total volatility	-0.82	0.50	-1.32
Sortino ratio: Return per unit of downside risk	-1.10	1.10	-2.19
Omega ratio: Gain probability vs. loss probability	0.88	1.13	-0.25
Calmar ratio: Return relative to maximum drawdown	-0.74	1.11	-1.86
Martin ratio: Return relative to average drawdown	-1.18	1.91	-3.09

OBTC vs. SETH - Sharpe Ratio Comparison

The current OBTC Sharpe Ratio is -0.82, which is lower than the SETH Sharpe Ratio of 0.50. The chart below compares the historical Sharpe Ratios of OBTC and SETH, 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

OBTC vs. SETH - Drawdown Comparison

The maximum OBTC drawdown since its inception was -94.50%, which is greater than SETH's maximum drawdown of -80.74%. Use the drawdown chart below to compare losses from any high point for OBTC and SETH.

Drawdown Indicators

	OBTC	SETH	Difference
Max Drawdown Largest peak-to-trough decline	-94.50%	-80.74%	-13.76%
Max Drawdown (1Y) Largest decline over 1 year	-49.62%	-29.71%	-19.91%
Max Drawdown (3Y) Largest decline over 3 years	-49.62%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-83.76%	—	—
Current Drawdown Current decline from peak	-63.37%	-64.57%	+1.20%
Average Drawdown Average peak-to-trough decline	-69.41%	-55.13%	-14.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	31.21%	17.31%	+13.90%

Volatility

OBTC vs. SETH - Volatility Comparison

The current volatility for Osprey Bitcoin Trust (OBTC) is 8.17%, while ProShares Short Ether Strategy ETF (SETH) has a volatility of 11.35%. This indicates that OBTC experiences smaller price fluctuations and is considered to be less risky than SETH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OBTC	SETH	Difference
Volatility (1M) Calculated over the trailing 1-month period	8.17%	11.35%	-3.18%
Volatility (6M) Calculated over the trailing 6-month period	33.39%	43.88%	-10.49%
Volatility (1Y) Calculated over the trailing 1-year period	44.92%	66.92%	-22.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	56.36%	68.79%	-12.43%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	76.18%	68.79%	+7.39%

OBTC vs. SETH - Expense Ratio Comparison

OBTC has a 0.49% expense ratio, which is lower than SETH's 0.95% expense ratio.

Dividends

OBTC vs. SETH - Dividend Comparison

OBTC has not paid dividends to shareholders, while SETH's dividend yield for the trailing twelve months is around 22.19%.

Position	TTM	2025	2024	2023
OBTC Osprey Bitcoin Trust	0.00%	0.00%	0.00%	0.00%
SETH ProShares Short Ether Strategy ETF	22.19%	7.01%	3.44%	0.38%

Frequently Asked Questions

Can I hold both OBTC and SETH in my portfolio?

OBTC and SETH have a correlation of -0.88, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, OBTC or SETH?

SETH has higher volatility (11.35%) compared to OBTC (8.17%). In terms of maximum drawdown, OBTC dropped -94.50% vs SETH's -80.74%.

Which ETF is better, OBTC or SETH?

On 1-year performance, SETH leads with 32.96% vs -36.66% for OBTC. On fees, OBTC is cheaper at 0.49% per year. On volatility, OBTC has been the lower-risk option at 8.17%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, OBTC or SETH?

Over the 1-year period, SETH has performed better with a 32.96% return vs -36.66%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, OBTC or SETH?

OBTC is cheaper with a 0.49% expense ratio, compared with 0.95% for SETH.

Which ETF pays a higher dividend yield, OBTC or SETH?

SETH has the higher dividend yield at 22.19%, compared with 0.00% for OBTC.

What is the main difference between OBTC and SETH?

OBTC tracks Bitcoin (BTC), while SETH tracks Bloomberg Galaxy Ethereum (--100%). They also come from different issuers: Osprey and ProShares. Their fees differ too: 0.49% for OBTC and 0.95% for SETH.

Which has better risk-adjusted returns?

SETH currently has the higher Sharpe Ratio (0.50 vs -0.82), 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.