GBTC vs. WEEK
GBTC (Grayscale Bitcoin Trust ETF) and WEEK (Roundhill Weekly T-Bill ETF) are both exchange-traded funds - GBTC is a Cryptocurrency fund tracking the CoinDesk Bitcoin Benchmark Rate Index, while WEEK is a Ultrashort Bond fund actively managed by Roundhill. GBTC is passively managed, while WEEK is actively managed. Over the past year, GBTC returned -40.35% vs 3.80% for WEEK. At a correlation of -0.08, they often move in opposite directions. GBTC charges 1.50%/yr vs 0.19%/yr for WEEK.
Performance
GBTC vs. WEEK - Performance Comparison
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Returns By Period
In the year-to-date period, GBTC achieves a -27.82% return, which is significantly lower than WEEK's 1.43% return.
GBTC
- 1D
- -2.74%
- 1M
- -22.25%
- YTD
- -27.82%
- 6M
- -31.83%
- 1Y
- -40.35%
- 3Y*
- 53.36%
- 5Y*
- 9.81%
- 10Y*
- 49.21%
WEEK
- 1D
- -0.01%
- 1M
- 0.26%
- YTD
- 1.43%
- 6M
- 1.74%
- 1Y
- 3.80%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
GBTC vs. WEEK - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
GBTC Grayscale Bitcoin Trust ETF | -27.82% | -2.95% |
WEEK Roundhill Weekly T-Bill ETF | 1.43% | 3.37% |
Correlation
The correlation between GBTC and WEEK is -0.09, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.09 |
Correlation (All Time) Calculated using the full available price history since Mar 7, 2025 | -0.08 |
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Return for Risk
GBTC vs. WEEK — Risk / Return Rank
GBTC
WEEK
GBTC vs. WEEK - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Grayscale Bitcoin Trust ETF (GBTC) 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.
| GBTC | WEEK | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -10.18 | ||
| Sortino ratioReturn per unit of downside risk | -20.37 | ||
| Omega ratioGain probability vs. loss probability | 0.85 | 4.61 | -3.76 |
| Calmar ratioReturn relative to maximum drawdown | -0.81 | 29.41 | -30.22 |
| Martin ratioReturn relative to average drawdown | -1.40 | 262.85 | -264.26 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GBTC | WEEK | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | -0.93 | 9.26 | -10.18 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.16 | — | — |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.60 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.65 | 9.99 | -9.34 |
Drawdowns
GBTC vs. WEEK - Drawdown Comparison
The maximum GBTC drawdown since its inception was -89.91%, which is greater than WEEK's maximum drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for GBTC and WEEK.
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Drawdown Indicators
| GBTC | WEEK | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -89.91% | -0.13% | -89.78% |
Max Drawdown (1Y)Largest decline over 1 year | -49.87% | -0.13% | -49.74% |
Max Drawdown (3Y)Largest decline over 3 years | -49.87% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -85.42% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -89.91% | — | — |
Current DrawdownCurrent decline from peak | -49.87% | -0.01% | -49.86% |
Average DrawdownAverage peak-to-trough decline | -43.43% | -0.01% | -43.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 28.81% | 0.01% | +28.80% |
Volatility
GBTC vs. WEEK - Volatility Comparison
Grayscale Bitcoin Trust ETF (GBTC) has a higher volatility of 9.07% compared to Roundhill Weekly T-Bill ETF (WEEK) at 0.08%. This indicates that GBTC'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.
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Volatility by Period
| GBTC | WEEK | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 9.07% | 0.08% | +8.99% |
Volatility (6M)Calculated over the trailing 6-month period | 33.86% | 0.25% | +33.61% |
Volatility (1Y)Calculated over the trailing 1-year period | 43.69% | 0.41% | +43.28% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 62.44% | 0.39% | +62.05% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 82.20% | 0.39% | +81.81% |
GBTC vs. WEEK - Expense Ratio Comparison
GBTC has a 1.50% expense ratio, which is higher than WEEK's 0.19% expense ratio.
Dividends
GBTC vs. WEEK - Dividend Comparison
GBTC has not paid dividends to shareholders, while WEEK's dividend yield for the trailing twelve months is around 3.72%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
GBTC Grayscale Bitcoin Trust ETF | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 5.61% |
WEEK Roundhill Weekly T-Bill ETF | 3.72% | 3.27% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
GBTC and WEEK have a correlation of -0.09, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GBTC has higher volatility (9.07%) compared to WEEK (0.08%). In terms of maximum drawdown, GBTC dropped -89.91% vs WEEK's -0.13%.
On 1-year performance, WEEK leads with 3.80% vs -40.35% for GBTC. On fees, WEEK is cheaper at 0.19% per year. On volatility, WEEK has been the lower-risk option at 0.08%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, WEEK has performed better with a 3.80% return vs -40.35%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
WEEK is cheaper with a 0.19% expense ratio, compared with 1.50% for GBTC.
WEEK has the higher dividend yield at 3.72%, compared with 0.00% for GBTC.
GBTC is categorized as Cryptocurrency, while WEEK is Ultrashort Bond. They also come from different issuers: Grayscale and Roundhill. Their fees differ too: 1.50% for GBTC and 0.19% for WEEK.
WEEK currently has the higher Sharpe Ratio (9.26 vs -0.93), 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.
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