BCOR vs. WEEK

Last updated Jun 4, 2026

BCOR (Grayscale Bitcoin Adopters ETF) and WEEK (Roundhill Weekly T-Bill ETF) are both exchange-traded funds - BCOR is a Blockchain fund tracking the Indxx Bitcoin Adopters Index, while WEEK is a Ultrashort Bond fund actively managed by Roundhill. BCOR is passively managed, while WEEK is actively managed. Over the past year, BCOR returned -17.33% vs 3.81% for WEEK. At a correlation of -0.12, they often move in opposite directions. BCOR charges 0.59%/yr vs 0.19%/yr for WEEK.

Performance

BCOR vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Grayscale Bitcoin Adopters ETF (BCOR) and Roundhill Weekly T-Bill ETF (WEEK). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BCOR achieves a -2.23% return, which is significantly lower than WEEK's 1.44% return.

BCOR

• 1D: -2.77%
• 1M: -5.42%
• YTD: -2.23%
• 6M: -9.89%
• 1Y: -17.33%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WEEK

• 1D: 0.02%
• 1M: 0.28%
• YTD: 1.44%
• 6M: 1.74%
• 1Y: 3.81%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BCOR vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
BCOR Grayscale Bitcoin Adopters ETF	-2.23%	4.14%
WEEK Roundhill Weekly T-Bill ETF	1.44%	2.72%

Correlation

The correlation between BCOR and WEEK is -0.13, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.13
Correlation (All Time) Calculated using the full available price history since May 1, 2025	-0.12

Return for Risk

BCOR vs. WEEK — Risk / Return Rank

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

BCOR

BCOR Risk / Return Rank: 6
BCOR Sharpe Ratio Rank: 5
BCOR Sortino Ratio Rank: 6
BCOR Omega Ratio Rank: 6
BCOR Calmar Ratio Rank: 6
BCOR Martin Ratio Rank: 6

WEEK

WEEK Risk / Return Rank: 99
WEEK Sharpe Ratio Rank: 99
WEEK Sortino Ratio Rank: 99
WEEK Omega Ratio Rank: 99
WEEK Calmar Ratio Rank: 99
WEEK Martin Ratio Rank: 99

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.

BCOR vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Grayscale Bitcoin Adopters ETF (BCOR) and Roundhill Weekly T-Bill ETF (WEEK). 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.

	BCOR	WEEK	Difference
Sharpe ratio Return per unit of total volatility	-0.42	9.29	-9.72
Sortino ratio Return per unit of downside risk	-0.37	19.14	-19.51
Omega ratio Gain probability vs. loss probability	0.96	4.65	-3.70
Calmar ratio Return relative to maximum drawdown	-0.40	29.49	-29.89
Martin ratio Return relative to average drawdown	-0.75	263.82	-264.57
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BCOR vs. WEEK - Sharpe Ratio Comparison

The current BCOR Sharpe Ratio is -0.42, which is lower than the WEEK Sharpe Ratio of 9.29. The chart below compares the historical Sharpe Ratios of BCOR and WEEK, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	BCOR	WEEK	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.42	9.29	-9.72
Sharpe Ratio (All Time) Calculated using the full available price history	0.04	10.05	-10.01

Drawdowns

BCOR vs. WEEK - Drawdown Comparison

The maximum BCOR drawdown since its inception was -42.99%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for BCOR and WEEK.

Drawdown Indicators

	BCOR	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-42.99%	-0.13%	-42.86%
Max Drawdown (1Y) Largest decline over 1 year	-42.99%	-0.13%	-42.86%
Current Drawdown Current decline from peak	-30.84%	0.00%	-30.84%
Average Drawdown Average peak-to-trough decline	-18.11%	-0.01%	-18.10%
Ulcer Index Depth and duration of drawdowns from previous peaks	23.12%	0.01%	+23.11%

Volatility

BCOR vs. WEEK - Volatility Comparison

Grayscale Bitcoin Adopters ETF (BCOR) has a higher volatility of 10.49% compared to Roundhill Weekly T-Bill ETF (WEEK) at 0.07%. This indicates that BCOR's price experiences larger fluctuations and is considered to be riskier than WEEK based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BCOR	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.49%	0.07%	+10.42%
Volatility (6M) Calculated over the trailing 6-month period	31.45%	0.25%	+31.20%
Volatility (1Y) Calculated over the trailing 1-year period	41.24%	0.41%	+40.83%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	42.93%	0.39%	+42.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	42.93%	0.39%	+42.54%

BCOR vs. WEEK - Expense Ratio Comparison

BCOR has a 0.59% expense ratio, which is higher than WEEK's 0.19% expense ratio.

Dividends

BCOR vs. WEEK - Dividend Comparison

BCOR's dividend yield for the trailing twelve months is around 3.17%, less than WEEK's 3.72% yield.

Position	TTM	2025
BCOR Grayscale Bitcoin Adopters ETF	3.17%	3.10%
WEEK Roundhill Weekly T-Bill ETF	3.72%	3.27%

Frequently Asked Questions

Can I hold both BCOR and WEEK in my portfolio?

BCOR and WEEK have a correlation of -0.13, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BCOR or WEEK?

BCOR has higher volatility (10.49%) compared to WEEK (0.07%). In terms of maximum drawdown, BCOR dropped -42.99% vs WEEK's -0.13%.

Which ETF is better, BCOR or WEEK?

On 1-year performance, WEEK leads with 3.81% vs -17.33% for BCOR. On fees, WEEK is cheaper at 0.19% per year. On volatility, WEEK has been the lower-risk option at 0.07%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BCOR or WEEK?

Over the 1-year period, WEEK has performed better with a 3.81% return vs -17.33%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BCOR or WEEK?

WEEK is cheaper with a 0.19% expense ratio, compared with 0.59% for BCOR.

Which ETF pays a higher dividend yield, BCOR or WEEK?

WEEK has the higher dividend yield at 3.72%, compared with 3.17% for BCOR.

What is the main difference between BCOR and WEEK?

BCOR is categorized as Blockchain, while WEEK is Ultrashort Bond. They also come from different issuers: Grayscale and Roundhill. Their fees differ too: 0.59% for BCOR and 0.19% for WEEK.

Which has better risk-adjusted returns?

WEEK currently has the higher Sharpe Ratio (9.29 vs -0.42), 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.