- ISIN
- US77926X6765
- CUSIP
- 77926X676
- Issuer
- Roundhill
- Inception Date
- Mar 5, 2025
- Category
- Ultrashort Bond
- Leveraged
- 1x (No leverage)
- Index Tracked
- No Index (Active)
- Distribution Policy
- Distributing
- Asset Class
- Bond
- Assets Under Management
- $171M
Share Price Chart
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Performance
WEEK Performance Chart
Roundhill Weekly T-Bill ETF (WEEK) is up 1.7% since the beginning of the year. WEEK is currently trading at $100 per share.
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Returns By Period
Roundhill Weekly T-Bill ETF (WEEK) has returned 1.65% so far this year and 3.83% over the past 12 months.
Roundhill Weekly T-Bill ETF
- 1D
- 0.01%
- 1M
- 0.33%
- YTD
- 1.65%
- 6M
- 1.77%
- 1Y
- 3.83%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- -0.37%
- 1M
- -0.01%
- YTD
- 9.16%
- 6M
- 8.64%
- 1Y
- 25.22%
- 3Y*
- 19.78%
- 5Y*
- 11.99%
- 10Y*
- 13.88%
WEEK Monthly Returns History
Based on dividend-adjusted daily data since Mar 6, 2025, WEEK's average daily return is +0.02%, while the average monthly return is +0.31%. At this rate, an investment would double in approximately 18.7 years.
Historically, 100% of months were positive and 0% were negative. The best month was Dec 2025 with a return of +0.4%, while the worst month was Jan 2026 at 0.2%. The longest winning streak lasted 16 consecutive months, and the longest losing streak was 0 months.
On a daily basis, WEEK closed higher 72% of trading days. The best single day was Oct 14, 2025 with a return of +0.1%, while the worst single day was Oct 13, 2025 at -0.1%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0.23% | 0.27% | 0.33% | 0.27% | 0.27% | 0.28% | 1.65% | ||||||
| 2025 | 0.28% | 0.35% | 0.34% | 0.32% | 0.38% | 0.33% | 0.34% | 0.33% | 0.26% | 0.39% | 3.37% |
Benchmark Metrics
Roundhill Weekly T-Bill ETF has an annualized alpha of 3.93%, beta of -0.00, and R2 of 0.00 versus S&P 500 Index. Calculated based on daily prices since March 06, 2025.
- This ETF captured 6.71% of S&P 500 Index gains and tended to rise during its downturns (downside capture of -17.56%) - a profile typical of hedging or uncorrelated assets.
- Beta of -0.00 may look defensive, but with R2 of 0.00 this ETF is largely uncorrelated with S&P 500 Index - low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
- R2 of 0.00 means this ETF moves largely independently of S&P 500 Index - capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 3.93%
- Beta
- -0.00
- R²
- 0.00
- Upside Capture
- 6.71%
- Downside Capture
- -17.56%
Expense Ratio
WEEK has an expense ratio of 0.19%, which is considered low.
Return for Risk
Risk / Return Rank
WEEK ranks 99 for risk / return — in the top 99% of ETFs on our site. This means strong returns relative to risk — exactly what professional investors look for. Well-suited for investors who want to maximize return per unit of risk.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for Roundhill Weekly T-Bill ETF (WEEK) and compare them to S&P 500 Index.
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.
| WEEK | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +7.01 | ||
| Sortino ratioReturn per unit of downside risk | +15.95 | ||
| Omega ratioGain probability vs. loss probability | 4.42 | 1.37 | +3.05 |
| Calmar ratioReturn relative to maximum drawdown | 29.62 | 2.78 | +26.84 |
| Martin ratioReturn relative to average drawdown | 256.61 | 12.44 | +244.17 |
Dividends
Dividend History
Roundhill Weekly T-Bill ETF provided a 3.70% dividend yield over the last twelve months, with an annual payout of $3.70 per share.
| Period | TTM | 2025 |
|---|---|---|
| Dividend | $3.70 | $3.27 |
Dividend yield | 3.70% | 3.27% |
Monthly Dividends
The table displays the monthly dividend distributions for Roundhill Weekly T-Bill ETF. The dividends shown in the table have been adjusted to account for any splits that may have occurred.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | $0.27 | $0.27 | $0.33 | $0.27 | $0.27 | $0.20 | $1.60 | ||||||
| 2025 | $0.23 | $0.39 | $0.32 | $0.31 | $0.39 | $0.31 | $0.39 | $0.29 | $0.29 | $0.35 | $3.27 |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
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Worst Drawdowns
The table below displays the maximum drawdowns of the Roundhill Weekly T-Bill ETF. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the Roundhill Weekly T-Bill ETF was 0.13%, occurring on Oct 13, 2025. Recovery took 4 trading sessions.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
2025 pullback2025 | -0.13%Oct 2025 | 0s | 4d | 4dOct 2025 - Oct 2025 |
2025 pullback2025 | -0.06%Oct 2025 | 3d | 1d | 4dOct 2025 - Oct 2025 |
2026 pullback2026 | -0.05%Jan 2026 | 0s | 4d | 4dJan 2026 - Feb 2026 |
2026 pullback2026 | -0.05%Mar 2026 | 0s | 4d | 4dMar 2026 - Mar 2026 |
2026 pullback2026 | -0.04%Jun 2026 | 0s | 1d | 1dJun 2026 - Jun 2026 |
Drawdown Indicators
| WEEK | Benchmark | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -0.13% | -56.78% | +56.65% |
Max Drawdown (1Y)Largest decline over 1 year | -0.13% | -9.10% | +8.97% |
Max Drawdown (3Y)Largest decline over 3 years | — | -18.90% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -25.43% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -33.92% | — |
Current DrawdownCurrent decline from peak | 0.00% | -1.80% | +1.80% |
Average DrawdownAverage peak-to-trough decline | -0.01% | -10.71% | +10.70% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.01% | 2.03% | -2.02% |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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