OBTC vs. AETH

Last updated Apr 2, 2026

Compare and contrast key facts about Osprey Bitcoin Trust (OBTC) and Bitwise Ethereum Strategy ETF (AETH).

OBTC and AETH are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. OBTC is a passively managed fund by Osprey Funds that tracks the performance of the Bitcoin (BTC). It was launched on Feb 11, 2021. AETH is an actively managed fund by Bitwise. It was launched on Sep 29, 2023.

Performance

OBTC vs. AETH - Performance Comparison

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

OBTC vs. AETH - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
OBTC Osprey Bitcoin Trust	-22.09%	-1.87%	130.89%	77.32%
AETH Bitwise Ethereum Strategy ETF	-5.50%	-0.11%	31.76%	37.65%

Returns By Period

In the year-to-date period, OBTC achieves a -22.09% return, which is significantly lower than AETH's -5.50% return.

OBTC

• 1D: 0.55%
• 1M: -1.58%
• YTD: -22.09%
• 6M: -37.31%
• 1Y: -14.12%
• 3Y*: 54.26%
• 5Y*: -0.94%
• 10Y*: —

AETH

• 1D: 0.01%
• 1M: 0.37%
• YTD: -5.50%
• 6M: -26.98%
• 1Y: 27.93%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OBTC vs. AETH - Expense Ratio Comparison

OBTC has a 0.49% expense ratio, which is lower than AETH's 0.90% expense ratio.

AETH

Bitwise Ethereum Strategy ETF

OBTC

Osprey Bitcoin Trust

Return for Risk

OBTC vs. AETH — Risk / Return Rank

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

OBTC

OBTC Risk / Return Rank: 7
OBTC Sharpe Ratio Rank: 7
OBTC Sortino Ratio Rank: 8
OBTC Omega Ratio Rank: 8
OBTC Calmar Ratio Rank: 7
OBTC Martin Ratio Rank: 7

AETH

AETH Risk / Return Rank: 31
AETH Sharpe Ratio Rank: 27
AETH Sortino Ratio Rank: 41
AETH Omega Ratio Rank: 43
AETH Calmar Ratio Rank: 24
AETH Martin Ratio Rank: 18

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.

OBTC vs. AETH - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Osprey Bitcoin Trust (OBTC) and Bitwise Ethereum Strategy ETF (AETH). 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.

	OBTC	AETH	Difference
Sharpe ratio Return per unit of total volatility	-0.31	0.55	-0.86
Sortino ratio Return per unit of downside risk	-0.15	1.26	-1.41
Omega ratio Gain probability vs. loss probability	0.98	1.18	-0.20
Calmar ratio Return relative to maximum drawdown	-0.29	0.67	-0.96
Martin ratio Return relative to average drawdown	-0.63	1.07	-1.71
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

OBTC vs. AETH - Sharpe Ratio Comparison

The current OBTC Sharpe Ratio is -0.31, which is lower than the AETH Sharpe Ratio of 0.55. The chart below compares the historical Sharpe Ratios of OBTC and AETH, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	OBTC	AETH	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.31	0.55	-0.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.02	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	-0.21	0.43	-0.64

Correlation

The correlation between OBTC and AETH is 0.57, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

OBTC vs. AETH - Dividend Comparison

OBTC has not paid dividends to shareholders, while AETH's dividend yield for the trailing twelve months is around 2.55%.

	TTM	2025	2024	2023
OBTC Osprey Bitcoin Trust	0.00%	0.00%	0.00%	0.00%
AETH Bitwise Ethereum Strategy ETF	2.55%	2.41%	14.73%	6.64%

Drawdowns

OBTC vs. AETH - Drawdown Comparison

The maximum OBTC drawdown since its inception was -94.50%, which is greater than AETH's maximum drawdown of -47.78%. Use the drawdown chart below to compare losses from any high point for OBTC and AETH.

Drawdown Indicators

	OBTC	AETH	Difference
Max Drawdown Largest peak-to-trough decline	-94.50%	-47.78%	-46.72%
Max Drawdown (1Y) Largest decline over 1 year	-45.41%	-41.40%	-4.01%
Max Drawdown (5Y) Largest decline over 5 years	-86.89%	—	—
Current Drawdown Current decline from peak	-61.09%	-41.19%	-19.90%
Average Drawdown Average peak-to-trough decline	-70.06%	-23.53%	-46.53%
Ulcer Index Depth and duration of drawdowns from previous peaks	20.55%	25.94%	-5.39%

Volatility

OBTC vs. AETH - Volatility Comparison

The current volatility for Osprey Bitcoin Trust (OBTC) is 12.75%, while Bitwise Ethereum Strategy ETF (AETH) has a volatility of 16.19%. This indicates that OBTC experiences smaller price fluctuations and is considered to be less risky than AETH based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	OBTC	AETH	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.75%	16.19%	-3.44%
Volatility (6M) Calculated over the trailing 6-month period	36.89%	28.66%	+8.23%
Volatility (1Y) Calculated over the trailing 1-year period	45.57%	51.00%	-5.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	59.92%	56.10%	+3.82%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	72.47%	56.10%	+16.37%