CSHP vs. WEEK

Last updated Jun 24, 2026

CSHP (iShares Enhanced Short-Term Bond Active ETF) and WEEK (Roundhill Weekly T-Bill ETF) are both Ultrashort Bond funds. Both are actively managed. Over the past year, CSHP returned 3.94% vs 3.72% for WEEK. At a 0.20 correlation, their price movements are largely independent. CSHP charges 0.20%/yr vs 0.19%/yr for WEEK.

Performance

CSHP vs. WEEK - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Enhanced Short-Term Bond Active ETF (CSHP) 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, CSHP achieves a 1.83% return, which is significantly higher than WEEK's 1.56% return.

CSHP

• 1D: -0.03%
• 1M: 0.27%
• YTD: 1.83%
• 6M: 1.92%
• 1Y: 3.94%
• 3Y*: —
• 5Y*: —
• 10Y*: —

WEEK

• 1D: -0.09%
• 1M: 0.24%
• YTD: 1.56%
• 6M: 1.70%
• 1Y: 3.72%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

CSHP vs. WEEK - Yearly Performance Comparison

	2026 (YTD)	2025
CSHP iShares Enhanced Short-Term Bond Active ETF	1.83%	3.34%
WEEK Roundhill Weekly T-Bill ETF	1.56%	3.37%

Correlation

The correlation between CSHP and WEEK is 0.16, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.16
Correlation (All Time) Calculated using the full available price history since Mar 6, 2025	0.20

Return for Risk

CSHP vs. WEEK — Risk / Return Rank

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

CSHP

CSHP Risk / Return Rank: 99
CSHP Sharpe Ratio Rank: 100
CSHP Sortino Ratio Rank: 99
CSHP Omega Ratio Rank: 99
CSHP Calmar Ratio Rank: 100
CSHP Martin Ratio Rank: 100

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.

CSHP vs. WEEK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Enhanced Short-Term Bond Active ETF (CSHP) 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.

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.

	CSHP	WEEK	Difference
Sharpe ratio: Return per unit of total volatility	11.09	8.53	+2.56
Sortino ratio: Return per unit of downside risk	27.60	16.60	+11.00
Omega ratio: Gain probability vs. loss probability	6.46	4.07	+2.39
Calmar ratio: Return relative to maximum drawdown	65.45	28.78	+36.67
Martin ratio: Return relative to average drawdown	381.67	233.16	+148.51

CSHP vs. WEEK - Sharpe Ratio Comparison

The current CSHP Sharpe Ratio is 11.09, which is comparable to the WEEK Sharpe Ratio of 8.53. The chart below compares the historical Sharpe Ratios of CSHP 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.

Drawdowns

CSHP vs. WEEK - Drawdown Comparison

The maximum CSHP drawdown since its inception was -0.08%, smaller than the maximum WEEK drawdown of -0.13%. Use the drawdown chart below to compare losses from any high point for CSHP and WEEK.

Drawdown Indicators

	CSHP	WEEK	Difference
Max Drawdown Largest peak-to-trough decline	-0.08%	-0.13%	+0.05%
Max Drawdown (1Y) Largest decline over 1 year	-0.06%	-0.13%	+0.07%
Current Drawdown Current decline from peak	-0.04%	-0.09%	+0.05%
Average Drawdown Average peak-to-trough decline	-0.00%	-0.01%	+0.01%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.01%	0.02%	-0.01%

Volatility

CSHP vs. WEEK - Volatility Comparison

iShares Enhanced Short-Term Bond Active ETF (CSHP) and Roundhill Weekly T-Bill ETF (WEEK) have volatilities of 0.16% and 0.16%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CSHP	WEEK	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.16%	0.16%	0.00%
Volatility (6M) Calculated over the trailing 6-month period	0.27%	0.29%	-0.02%
Volatility (1Y) Calculated over the trailing 1-year period	0.36%	0.44%	-0.08%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.41%	0.40%	+0.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.41%	0.40%	+0.01%

CSHP vs. WEEK - Expense Ratio Comparison

CSHP has a 0.20% expense ratio, which is higher than WEEK's 0.19% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

CSHP vs. WEEK - Dividend Comparison

CSHP's dividend yield for the trailing twelve months is around 3.91%, more than WEEK's 3.70% yield.

Position	TTM	2025	2024
CSHP iShares Enhanced Short-Term Bond Active ETF	3.91%	5.39%	1.96%
WEEK Roundhill Weekly T-Bill ETF	3.70%	3.27%	0.00%

Frequently Asked Questions

Can I hold both CSHP and WEEK in my portfolio?

CSHP and WEEK have a correlation of 0.16, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, CSHP or WEEK?

WEEK has higher volatility (0.16%) compared to CSHP (0.16%). In terms of maximum drawdown, CSHP dropped -0.08% vs WEEK's -0.13%.

Which ETF is better, CSHP or WEEK?

On 1-year performance, CSHP leads with 3.94% vs 3.72% for WEEK. On fees, WEEK is cheaper at 0.19% per year. Their volatility is very similar. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, CSHP or WEEK?

Over the 1-year period, CSHP has performed better with a 3.94% return vs 3.72%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, CSHP or WEEK?

WEEK is cheaper with a 0.19% expense ratio, compared with 0.20% for CSHP.

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

CSHP has the higher dividend yield at 3.91%, compared with 3.70% for WEEK.

What is the main difference between CSHP and WEEK?

They also come from different issuers: iShares and Roundhill. Their fees differ too: 0.20% for CSHP and 0.19% for WEEK.

Which has better risk-adjusted returns?

CSHP currently has the higher Sharpe Ratio (11.09 vs 8.53), 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.